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Journal articles on the topic 'Rhodium iii complexes'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Hill, Angela M., William Levason, and Michael Webster. "Rhodium(III) ditertiary stibine complexes." Inorganica Chimica Acta 271, no. 1-2 (April 1998): 203–6. http://dx.doi.org/10.1016/s0020-1693(97)05908-2.

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2

Belyaev, A. V., S. V. Tkachev, and S. N. Vorob’eva. "Photoactivation of Rhodium(III) Complexes." Journal of Structural Chemistry 61, no. 2 (February 2020): 238–46. http://dx.doi.org/10.1134/s0022476620020080.

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3

Albert Cotton, F., Kim R. Dunbar, Cassandra T. Eagle, Larry R. Falvello, Kang Seong-Joo, Andrew C. Price, and Mark G. Verbruggen. "Bis(diphenylphosphino)methane complexes of rhodium(III) halides as synthons for dinuclear rhodium(III) complexes." Inorganica Chimica Acta 184, no. 1 (June 1991): 35–42. http://dx.doi.org/10.1016/s0020-1693(00)83042-x.

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4

Bakac, Andreja. "Aqueous rhodium(iii) hydrides and mononuclear rhodium(ii) complexes." Dalton Transactions, no. 13 (2006): 1589. http://dx.doi.org/10.1039/b518230a.

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5

Pošta, Martin, Jan Čermák, Pavel Vojtíšek, Jan Sýkora, and Ivana Císařová. "Diphosphinoazine rhodium(III) and iridium(III) octahedral complexes." Inorganica Chimica Acta 362, no. 1 (January 2009): 208–16. http://dx.doi.org/10.1016/j.ica.2008.03.080.

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6

Skibsted, L. H. "Photoisomerization of rhodium(III) amine complexes." Coordination Chemistry Reviews 64 (May 1985): 343–59. http://dx.doi.org/10.1016/0010-8545(85)80059-x.

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7

Máliková, Klaudia, Lukáš Masaryk, and Pavel Štarha. "Anticancer Half-Sandwich Rhodium(III) Complexes." Inorganics 9, no. 4 (April 8, 2021): 26. http://dx.doi.org/10.3390/inorganics9040026.

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Platinum-based anticancer drugs are most likely the most successful group of bioinorganic compounds. Their apparent disadvantages have led to the development of anticancer compounds of other noble metals, resulting in several ruthenium-based drugs which have entered clinical trials on oncological patients. Besides ruthenium, numerous rhodium complexes have been recently reported as highly potent antiproliferative agents against various human cancer cells, making them potential alternatives to Pt- and Ru-based metallodrugs. In this review, half-sandwich Rh(III) complexes are overviewed. Many representatives show higher in vitro potency than and different mechanisms of action (MoA) from the conventional anticancer metallodrugs (cisplatin in most cases) or clinically studied Ru drug candidates. Furthermore, some of the reviewed Rh(III) arenyl complexes are also anticancer in vivo. Pioneer anticancer organorhodium compounds as well as the recent advances in the field are discussed properly, and adequate attention is paid to their anticancer activity, solution behaviour and various processes connected with their MoA. In summary, this work summarizes the types of compounds and the most important biological results obtained in the field of anticancer half-sandwich Rh complexes.

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8

Fu, Li-Jie, Bo-Hsun An, Chih-Hsuan Chou, Chi-Min Chen, and Ching Tat To. "Base-promoted perfluoroalkylation of rhodium(iii) porphyrin complexes." Dalton Transactions 50, no. 28 (2021): 9949–57. http://dx.doi.org/10.1039/d1dt01118a.

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9

Yusenko, Kirill V., Aleksandr S. Sukhikh, Werner Kraus, and Sergey A. Gromilov. "Synthesis and Crystal Chemistry of Octahedral Rhodium(III) Chloroamines." Molecules 25, no. 4 (February 11, 2020): 768. http://dx.doi.org/10.3390/molecules25040768.

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Rhodium(III) octahedral complexes with amine and chloride ligands are the most common starting compounds for preparing catalytically active rhodium(I) and rhodium(III) species. Despite intensive study during the last 100 years, synthesis and crystal structures of rhodium(III) complexes were described only briefly. Some [RhClx(NH3)6-x] compounds are still unknown. In this study, available information about synthetic protocols and the crystal structures of possible [RhClx(NH3)6−x] octahedral species are summarized and critically analyzed. Unknown crystal structures of (NH4)2[Rh(NH3)Cl5], trans–[Rh(NH3)4Cl2]Cl⋅H2O, and cis–[Rh(NH3)4Cl2]Cl are reported based on high quality single crystal X-ray diffraction data. The crystal structure of [Rh(NH3)5Cl]Cl2 was redetermined. All available crystal structures with octahedral complexes [RhClx(NH3)6-x] were analyzed in terms of their packings and pseudo-translational sublattices. Pseudo-translation lattices suggest face-centered cubic and hexagonal closed-packed sub-cells, where Rh atoms occupy nearly ideal lattices.

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10

Geldmacher, Yvonne, Melanie Oleszak, and William S. Sheldrick. "Rhodium(III) and iridium(III) complexes as anticancer agents." Inorganica Chimica Acta 393 (December 2012): 84–102. http://dx.doi.org/10.1016/j.ica.2012.06.046.

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11

Pettinari, Riccardo, Fabio Marchetti, Claudio Pettinari, Francesca Condello, Agnese Petrini, Rosario Scopelliti, Tina Riedel, and Paul J. Dyson. "Organometallic rhodium(iii) and iridium(iii) cyclopentadienyl complexes with curcumin and bisdemethoxycurcumin co-ligands." Dalton Transactions 44, no. 47 (2015): 20523–31. http://dx.doi.org/10.1039/c5dt03037d.

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12

Mäder, Urs, Alex Von Zelewsky, and Titus Jenny. "Cyclometallated Rhodium(III) Complexes with Diimine Ligands." Helvetica Chimica Acta 69, no. 5 (July 30, 1986): 1085–87. http://dx.doi.org/10.1002/hlca.19860690515.

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13

Ezhova, M. B., B. O. Patrick, B. R. James, M. E. Ford, and F. J. Waller. "Interaction of rhodium(i) bisphosphine complexes with semicarbazones to give orthometallated rhodium(iii) complexes." Russian Chemical Bulletin 52, no. 12 (December 2003): 2707–14. http://dx.doi.org/10.1023/b:rucb.0000019890.55972.90.

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14

Zuber, Marek. "New rhodium(II)-rhodium(III) dinuclear complexes with 2-aminopyridine bridges." Transition Metal Chemistry 11, no. 1 (January 1986): 5–8. http://dx.doi.org/10.1007/bf01064491.

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15

Kölle, Ulrich, Ralf Görissen, and Trixie Wagner. "Organometallic Aqua Complexes, III. Olefin Aqua Complexes of Rhodium(I)." Chemische Berichte 128, no. 9 (September 1995): 911–17. http://dx.doi.org/10.1002/cber.19951280910.

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16

Henderson, William, Brian K. Nicholson, Allen G. Oliver, and Clifton E. F. Rickard. "Dimeric rhodium(III), iridium(III) and ruthenium(II) thiosalicylate complexes." Journal of Organometallic Chemistry 625, no. 1 (April 2001): 40–46. http://dx.doi.org/10.1016/s0022-328x(00)00797-x.

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17

Hill, Anthony F., Derek A. Tocher, Andrew J. P. White, David J. Williams, and James D. E. T. Wilton-Ely. "Thiocarbamoyl Complexes of Ruthenium(II), Rhodium(III), and Iridium(III)." Organometallics 24, no. 22 (October 2005): 5342–55. http://dx.doi.org/10.1021/om050514c.

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18

Hill, Anthony F., Derek A. Tocher, Andrew J. P. White, David J. Williams, and James D. E. T. Wilton-Ely. "Thiocarbamoyl Complexes of Ruthenium(II), Rhodium(III), and Iridium(III)." Organometallics 25, no. 8 (April 2006): 2108. http://dx.doi.org/10.1021/om060182r.

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19

Swamy, S. J., B. Veera Pratap, P. Someshwar, K. Suresh, and D. Nagaraju. "Synthesis and Spectral Studies of Iron(III), Ruthenium(III) and Rhodium(III) Complexes with New Tetraaza Macrocyclic Ligands." Journal of Chemical Research 2005, no. 5 (May 2005): 313–15. http://dx.doi.org/10.3184/0308234054323986.

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Complexes of iron(III), ruthenium(III) and rhodium(III) with three new tetraaza macrocyclic ligands, oxo4bzo3[14]triene-N4 [TBTAC14Tone], oxo4bzo2[14]diene-N4 [DBTAC14Tone] and oxo4bzo2[15]diene-N4 [DBTAC15Tone] have been prepared and characterised. The complexes are found to have the formulae [FeLCl2]Cl. 2H2O, [RuLCl2]Cl. 3H2O and [RhLCl2]Cl. 2H2O. The cations adopt a trans-dichloro configuration with the six-coordinated trivalent metal ions in a pseudo-octahedral geometry.

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20

Bheemanna, Hunsekatte G., Gayathri Virupaiah, and Nanje M. Gowda. "1 Studies on Ruthenium and Rhodium Complexes Containing 1,2- bis (N-Methylbenzimidazolyl)Benzene and Catalytic Transfer Hydrogenation." Mapana - Journal of Sciences 15, no. 2 (November 24, 2016): 1–16. http://dx.doi.org/10.12723/mjs.37.1.

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Reactions of ruthenium(III) chloride and rhodium(III) halides with 1,2-bis(N-methylbenzimidazolyl)benzene (N-N) in stoicheiometric amounts in methanol produced binuclear complexes of the compositions [RuCl2(- Cl) (N-N)]2 and [RhX3(N-N)]2. nH2O ( n = 0, X = Br ; n = 1, X = Cl). [RhI3(N-N)]2 was prepared by stirring a mixture of rhodium trichloride with fifteen fold excess of sodium iodide and the N-heterocycle, N-N in methanol. Ruthenium chloride and rhodium halides in 2-methoxyethanol/alcohol reacted with N-N in presence of CO to produce complexes of the types [RuCl2(CO)2(N-N)], [Rh2Cl2(CO)2(N-N)] and [Rh(CO)2(N-N)]Br. The complexes were characterized by elemental analyses, molar conductivity measurements, IR, electronic, 1H- and 13C- NMR spectral studies and by mass spectra. Probable structures have been proposed for the complexes. The complex [RuCl2(-Cl)(N-N)]2 in DMF was found to reduce nitro compounds to corresponding amines using formic acid as the hydrogen donor. Keywords: 1,2-bis(N-methylbenzimidazolyl) benzene, ruthenium and rhodium complexes, carbonyl.

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21

LaRonde, Frank J., and Michael A. Brook. "Allylation of aldehydes catalyzed by chiral N,N'-bis(N-methyl-2-methylene-4,5-bisphenyl-imidazole)-1,2-cyclohexane diamine rhodium(III) complexes." Canadian Journal of Chemistry 81, no. 11 (November 1, 2003): 1206–12. http://dx.doi.org/10.1139/v03-118.

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Chiral bis-imidazole rhodium(III) complexes catalyze the allylation of aldehydes by allyltributyltin. The pre-catalyst was readily prepared from chiral N,N'-bis(N-methyl-2-methylene-4,5-bisphenylimidazole)-1,2-cyclohexanediamine, potassium carbonate, and rhodium(III) chloride trihydrate. The rhodium(III) complex produced showed no activity in an allyl transfer process in the presence of the allyltin reagent. However, when silver tetrafluoroborate was added to the pre-catalyst and stirred for 1 h, the resulting system became an efficient catalyst for the allyl transfer process. The reductions produced homo-allyl alcohols with good to excellent yield, although generally with poor facial selectivity (810% ee, aryl aldehydes, 4 examples; 99% ee, aliphatic aldehyde, 1 example).Key words: allylation, aldehydes, enantioselectivity, rhodium(III) tetramine complex.

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22

Bickert, Peter, and Klaus Hafner. "Pentamethylcyclopentadienyl rhodium complexes of dihydro-s-indacenophanes: Transannular interactions." Collection of Czechoslovak Chemical Communications 53, no. 10 (1988): 2418–28. http://dx.doi.org/10.1135/cccc19882418.

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Transannular interactions in pentamethylcyclopentadienyl rhodium complexes (Me5C5Rh) of 18,22(18,20)-dihydro[2](4,4')biphenylo[2](2,6)-s-indacenophane (IV) and 12,16(12,18)-dihydro[2]pacacyclo[2](4,8)-s-indacenophane (IX) were investigated. The capability of a Me5C5Rh group to reduce electron density in both decks of these phanes was established. The deprotonation product VII of 18a,19,19a,22a,23,23a-η6-(18,22(18,20)-dihydro[2](4,4')biphenylo[2](2,6)-s-indacenophane-η5-(pentamethylcyclopentadienyl)rhodium(III) bis(hexafluoroantimonate) (V) was isolated as the first representative of a class of compounds whose existence had been previously postulated. Evidence for conformational flexibility of the biphenyl deck of IV and its derivatives was obtained. Comparative 1H NMR studies led to a separation of transannular electronic interactions from magnetic anisotropy effects in 15a,16,17,18,18a-η5-(12-monohydro[2]paracyclo[2](4,8)-s-indacenophane)-η5-(pentamethylcyclopentadienyl)rhodium(III) hexafluoroantimonate (X).

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23

Carlton, Laurence, Marie-Paula Belciug, and Gary Pattrick. "Dihydrobis- and tris(triphenylphosphine)rhodium(III) carboxylate complexes." Polyhedron 11, no. 12 (January 1992): 1501–6. http://dx.doi.org/10.1016/s0277-5387(00)83143-5.

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24

Pototskiy, Roman A., Yulia V. Nelyubina, and Dmitry S. Perekalin. "Synthesis and Reactivity of Heptamethylcyclohexadienyl Rhodium(III) Complexes." Organometallics 38, no. 24 (December 5, 2019): 4607–14. http://dx.doi.org/10.1021/acs.organomet.9b00621.

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25

Emerson‐King, Jack, Ivan Prokes, and Adrian B. Chaplin. "Rhodium(III) Complexes Featuring Coordinated CF 3 Appendages." Chemistry – A European Journal 25, no. 25 (April 9, 2019): 6317–19. http://dx.doi.org/10.1002/chem.201901184.

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26

Dieckmann, Sandra, Radostan Riedel, Klaus Harms, and Eric Meggers. "Pyridocarbazole-Rhodium(III) Complexes as Protein Kinase Inhibitors." European Journal of Inorganic Chemistry 2012, no. 5 (January 11, 2012): 813–21. http://dx.doi.org/10.1002/ejic.201101175.

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27

Pasternak, Helena, and Florian P. Pruchnik. "Allyl rhodium(III) complexes containing heterocyclic nitrogen ligands." Transition Metal Chemistry 21, no. 4 (August 1996): 305–8. http://dx.doi.org/10.1007/bf00139023.

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28

Shee, Nirmal K., Samik Nag, Michael G. B. Drew, and Dipankar Datta. "Rhodium(III) complexes of a substituted 2,2′-bisoxazoline." Inorganica Chimica Acta 405 (August 2013): 111–15. http://dx.doi.org/10.1016/j.ica.2013.05.012.

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29

Sharma, Vinod K., Shipra Srivastava, and Ankita Srivastava. "Spectroscopic, Thermal and Biological Studies on Some Trivalent Ruthenium and Rhodium NS Chelating Thiosemicarbazone Complexes." Bioinorganic Chemistry and Applications 2007 (2007): 1–10. http://dx.doi.org/10.1155/2007/68374.

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The synthetic, spectroscopic, and biological studies of sixteen ring-substituted 4-phenylthiosemicarbazones and 4-nitrophenyl-thiosemicarbazones of anisaldehyde, 4-chlorobenzaldehyde, 4-fluorobenzaldehyde, and vanillin with ruthenium(III) and rhodium(III) chlorides are reported here. Their structures were determined on the basis of the elemental analyses, spectroscopic data (IR, electronic,H1andC13NMR) along with magnetic susceptibility measurements, molar conductivity and thermogravimetric analyses. Electrical conductance measurement revealed a1:3electrolytic nature of the complexes. The resulting colored products are monomeric in nature. On the basis of the above studies, three ligands were suggested to be coordinated to each metal atom by thione sulphur and azomethine nitrogen to form low-spin octahedral complexes with ruthenium(III) while forming diamagnetic complexes with rhodium(III). Both ligands and their complexes have been screened for their bactericidal activities and the results indicate that they exhibit a significant activity.

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30

Gerisch, Michael, Jennifer R. Krumper, Robert G. Bergman, and T. Don Tilley. "Rhodium(III) and Rhodium(II) Complexes of Novel Bis(oxazoline) Pincer Ligands." Organometallics 22, no. 1 (January 2003): 47–58. http://dx.doi.org/10.1021/om0207562.

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31

Moszner, Monika, Michal Wilgocki, and Jozef J. Ziolkowski. "Polarographic Studies of Dimeric and Monomeric Rhodium(II) and Rhodium(III) Complexes." Journal of Coordination Chemistry 20, no. 3 (September 1989): 219–27. http://dx.doi.org/10.1080/00958978909408163.

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32

Werner, H., O. Schippel, J. Wolf, and M. Schulz. "Synthesis, structure, and reactivity of ylide rhodium(I) and rhodium (III) complexes." Journal of Organometallic Chemistry 417, no. 1-2 (October 1991): 149–62. http://dx.doi.org/10.1016/0022-328x(91)80169-k.

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33

Liu, Xu, Zikuan Wang, and Xuefeng Fu. "Light induced catalytic intramolecular hydrofunctionalization of allylphenols mediated by porphyrin rhodium(iii) complexes." Dalton Transactions 45, no. 34 (2016): 13308–10. http://dx.doi.org/10.1039/c6dt01653g.

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34

Chen, Shanshan, Yan Su, Keli Han, and Xingwei Li. "Mechanistic studies on C–C reductive coupling of five-coordinate Rh(iii) complexes." Organic Chemistry Frontiers 2, no. 7 (2015): 783–91. http://dx.doi.org/10.1039/c5qo00049a.

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35

Farrell, Kevin, Helge Müller-Bunz, and Martin Albrecht. "Versatile bonding and coordination modes of ditriazolylidene ligands in rhodium(iii) and iridium(iii) complexes." Dalton Transactions 45, no. 40 (2016): 15859–71. http://dx.doi.org/10.1039/c6dt01760f.

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Metalation of novel ditriazolium salts containing a trimethylene (–CH₂CH₂CH₂–) or dimethylether linker (–CH₂OCH₂–) was probed with different rhodium(iii) and iridium(iii) precursors.

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36

Muir, Mariel M., and Lourdes M. Torres. "Complexes with asymmetric tetraamine ligands VI. Photoaquation of rhodium(III) complexes." Inorganica Chimica Acta 193, no. 1 (March 1992): 87–92. http://dx.doi.org/10.1016/s0020-1693(00)83799-8.

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37

Albayer, Mohammad, and Jason L. Dutton. "Reactions of Trivalent Iodine Reagents with Classic Iridium and Rhodium Complexes." Australian Journal of Chemistry 70, no. 11 (2017): 1180. http://dx.doi.org/10.1071/ch17173.

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In this work, the reactions of iodine(iii) reagents (PhI(L)2: L = pyridine, acetate (OAc−), triflate (OTf−)) with iridium(i) and rhodium(i) complexes (Vaskas’s compound, Wilkinson’s catalyst, and bis[bis(diphenylphosphino)ethane]rhodium(i) triflate) are reported. In all cases, the reactions resulted in two-electron oxidation of the metal complexes. Mixtures of products were observed in the reactions of Iiii reagents with Vaska’s compound and Wilkinson’s catalyst via ligand exchange and anion scrambling. In the case of reacting Iiii reagents with chelating ligand-containing bis[bis(diphenylphosphino)ethane]rhodium(i) triflate, no scrambling was observed.

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38

Adinarayana, B., Muthuchamy Murugavel, Mainak Das, Narasinga Rao Palepu, and A. Srinivasan. "Rhodium(III) and Iridium(III) Bipyricorrole Complexes: Syntheses, Structures, and Properties." Inorganic Chemistry 57, no. 4 (February 6, 2018): 1840–45. http://dx.doi.org/10.1021/acs.inorgchem.7b02724.

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39

Chen, Chia-Chun, and Rai-Shung Liu. "Synthesis and characterization of pentadienyl-iridium(III) and-rhodium(III) complexes." Journal of Organometallic Chemistry 336, no. 1-2 (December 1987): 249–55. http://dx.doi.org/10.1016/0022-328x(87)87172-3.

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40

Sakate, Mika, Haruka Hosoda, and Takayoshi Suzuki. "Crystal structures of bis[2-(pyridin-2-yl)phenyl-κ2N,C1]rhodium(III) complexes containing an acetonitrile or monodentate thyminate(1−) ligand." Acta Crystallographica Section E Crystallographic Communications 72, no. 4 (March 24, 2016): 543–47. http://dx.doi.org/10.1107/s2056989016004837.

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The crystal structures of bis[2-(pyridin-2-yl)phenyl]rhodium(III) complexes with the metal in an octahedral coordination containing chloride and acetonitrile ligands, namely (OC-6-42)-acetonitrilechloridobis[2-(pyridin-2-yl)phenyl-κ2N,C1]rhodium(III), [RhCl(C11H8N)2(CH3CN)] (1), thyminate(1−) and methanol, namely (OC-6-42)-methanol(5-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-ido-κN1)bis[2-(pyridin-2-yl)phenyl-κ2N,C1]rhodium(III), [Rh(C11H8N)2(C5H5N2O2)(CH3OH)]·CH3OH·0.5H2O (2), and thyminate(1−) and ethanol, namely (OC-6-42)-ethanol(5-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-ido-κN1)bis[2-(pyridin-2-yl)phenyl-κ2N,C1]rhodium(III), [Rh(C11H8N)2(C5H5N2O2)(C2H5OH)]·C2H5OH (3), are reported. The acetonitrile complex,1, is isostructural with the IrIIIanalog. In complexes2and3, the monodeprotonated thyminate (Hthym−) ligand coordinates to the RhIIIatom through the N atom, and the resulting Rh—N(Hthym) bond lengths are relatively long [2.261 (2) and 2.252 (2) Å for2and3, respectively] as compared to the Rh—N bonds in the related thyminate complexes. In each of the crystals of2and3, the complexes are linkedviaa pair of intermolecular N—H...O hydrogen bonds between neighbouring Hthym−ligands, forming an inversion dimer. A strong intramolecular O—H...O hydrogen bond between the thyminate(1−) and alcohol ligands in mutuallycispositions to each other is also observed.

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41

Liu, Xu, Lianghui Liu, Zikuan Wang, and Xuefeng Fu. "Visible light promoted hydration of alkynes catalyzed by rhodium(iii) porphyrins." Chemical Communications 51, no. 59 (2015): 11896–98. http://dx.doi.org/10.1039/c5cc04015a.

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42

Wang, Chunyan, Ho-Chuen Lam, Nianyong Zhu, and Keith Man-Chung Wong. "Introduction of luminescent rhenium(i), ruthenium(ii), iridium(iii) and rhodium(iii) systems into rhodamine-tethered ligands for the construction of bichromophoric chemosensors." Dalton Transactions 44, no. 34 (2015): 15250–63. http://dx.doi.org/10.1039/c5dt00661a.

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Several classes of rhenium(i), ruthenium(ii), iridium(iii) and rhodium(iii) complexes tethered with a rhodamine moiety have been synthesized and characterized, and their photophysical and ion-binding properties were investigated.

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43

Muir, Mariel M., Lourdes M. Torres, and Lea B. Zinner. "Complexes with Asymmetric Tetraamine Ligands. Part III.1Synthesis and Characterization of Rhodium(III) Complexes.2." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 17, no. 2 (February 1987): 221–35. http://dx.doi.org/10.1080/00945718708059426.

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44

Farrell, Kevin, Philipp Melle, Robert A. Gossage, Helge Müller-Bunz, and Martin Albrecht. "Transfer hydrogenation with abnormal dicarbene rhodium(iii) complexes containing ancillary and modular poly-pyridine ligands." Dalton Transactions 45, no. 11 (2016): 4570–79. http://dx.doi.org/10.1039/c5dt04656d.

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45

Al-Rubaie, Ali Z., Yassin N. Al-Obaidi, and Lina Z. Yousif. "Heterocyclic tellurium compounds as ligands; some complexes of rhodium(III) and rhodium(I)." Polyhedron 9, no. 9 (January 1990): 1141–46. http://dx.doi.org/10.1016/s0277-5387(00)86888-6.

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46

Knör, Günther. "Investigations on the Redox-Photochromism of Rhodium Acetonitrile Complexes." Zeitschrift für Naturforschung B 58, no. 8 (August 1, 2003): 741–44. http://dx.doi.org/10.1515/znb-2003-0804.

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The spectroscopic and photochromic properties of the dinuclear rhodium complex Rh2L10X4 (L = CH3 CN, X− = BF−4 ) have been studied in acetonitrile solution. A reversible wavelengthdependent photoredox disproportionation of the dark-equilibrated dirhodium(II) compound occurs upon irradiation with quantum yields of φ = 0.04 at 254 nm and φ = 0.60 at 436 nm, respectively. While the photolysis products show conspicuous aggregation phenomena at higher concentrations, a straightforward pseudo-bimolecular recombination of the metastable fragments following second-order kinetics was observed in 5 × 10−5 M solution with k = 0.18 l mol−1 s−1 at 295 K. Both spectroscopic and kinetic results are consistent with the heterolytic formation of mononuclear rhodium(I) and rhodium(III) acetonitrile complexes in the course of the photochemical reaction.

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47

Gyton, Matthew R., Amy E. Kynman, Baptiste Leforestier, Angelo Gallo, Józef R. Lewandowski, and Adrian B. Chaplin. "Isolation and structural characterisation of rhodium(iii) η2-fluoroarene complexes: experimental verification of predicted regioselectivity." Dalton Transactions 49, no. 18 (2020): 5791–93. http://dx.doi.org/10.1039/d0dt01137a.

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48

Al-Salim, T., J. S. Hadi, E. A. Al-Nasir, and M. A. Hassen. "The Transfer Hydrogenation Reactions Catalyzed by Rhodium Schiff Base Complexes." Journal of Scientific Research 2, no. 3 (August 24, 2010): 501. http://dx.doi.org/10.3329/jsr.v2i3.4341.

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Three new Schiff base rhodium (III) complexes, derived from three ligands, L1, L2 and L3 have been prepared and characterized by IR, 1HNMR, mass spectra and the elemental analysis. These complexes have shown efficient catalytic activity in the transfer hydrogenation of wide variety ketones to the corresponding alcohols in formic acid/triethylamine solution under mild reaction conditions. Depending on the ketone, the percentage of conversion for RhL1 have been found to be (51-92%) compared to RhL2 which had a yield of (42-92%) while for RhL3 (71-94%), within time range of 0.5-12 hrs. Keywords: Schiff base; Rhodium (III) complex; Transfer hydrogenation; Diamine. © 2010 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved. DOI: 10.3329/jsr.v2i3.4341 J. Sci. Res. 2 (3), 501-511 (2010)

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49

Kim, Mee Y., Won K. Seok, Heung N. Lee, Sung H. Han, Yongkwan Dong, and Hoseop Yun. "Structural Characterization Of Rh(Iii) Complexes Containing The Polypyridyl Ligands And Some Properties Of Their Derivatives." Zeitschrift für Naturforschung B 56, no. 8 (August 1, 2001): 747–52. http://dx.doi.org/10.1515/znb-2001-0807.

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The structures of the compounds [Rh(bpy)2(py)(Cl)](ClO4 )2 (2 (ClO4 )2) and [Rh(phen)2(py)- (Cl)](ClO4 )2 (7 -(ClO4 )2) were determined by single-crystal X-ray diffraction. Both complexes show a six-coordinate rhodium atom with two bpy or phen ligands in the cis configuration. The Rh-Cl distances are 2.334(3) and 2.323(2) Å, respectively. The bond angles N-Rh-Cl formed with the axially-positioned nitrogen atom are 174.4(2) and 173.8(2)°. The oxidation of aquo complexes, prepared from the corresponding rhodium chloride complexes, by two equivalents of Ce(IV) in 60% HCIO4 solution yields the corresponding mono-oxo products. All complexes have been identified and characterized by elemental analyses, IR, and 1H NMR data

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50

Bergs, Ralph, Roland Krämer, Michael Maurus, Bernhard Schreiner, Reinhold Urban, Christopher Missling, Kurt Polbom, Karlheinz Sünkel, and Wolfgang Beck. "Metallkomplexe mit biologisch wichtigen Liganden, LXXXIV [1] Halbsandwich-Komplexe von Rhodium(III), Iridium(III), Cobalt(III), Ruthenium(II), Ruthenium(III) und Chrom(III) mit Aminosäureester-Liganden Metal Complexes with Biologically Important Ligands, LXXXIV [1] Half-Sandwich Complexes o f Rhodium(III), Iridium(III), Cobalt(III), Ruthenium(II), Ruthenium(III) and Chromium(III) with Amino Acid Ester Ligands." Zeitschrift für Naturforschung B 51, no. 2 (February 1, 1996): 187–200. http://dx.doi.org/10.1515/znb-1996-0205.

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Abstract A series of cyclopentadienyl and pentamethylcyclopentadienyl complexes of cobalt, rhodium, iridium, ruthenium and chromium with a-amino-acid esters (L) as ligands was prepared and characterized: Cp*(Cl)2M(L) (1, 2: M = Rh, Ir), Cp(I)2Co(L) (4), [Cp(Ph3P)2Ru(L)]+BF- (6), [Cp(OC)(Ph3P)Ru]+BF- (7) and the paramagnetic compounds Cp*(Cl)2Ru(L) (8) and Cp(Br)2Cr(L) (9). AlaOMe and HisOMe form N ,O and N,N chelate complexes [Cp*(Cl)M(alaOMe)]+BF-4 (3: M = Rh, Ir), [Cp(I)Co(hisOMe)]+BF4. Cp*Co(CO)I2 and GlyOMe gave the N,O-dipeptide ester complex Cp*(I)Co(glyglyOMe)]+BF-4 (5). The crystal structures of Cp(I)2Co(glyOEt) and Cp*(Cl)2Ru(alaOMe) were determined by X-ray diffraction. The complexes 1 and 2 undergo ester exchange reactions with CD3OD. [Cp*MCl2]2 (M = Rh, Ir) catalyze the exchange of the ethoxy group in Me2NCH2CO2Et by CD3OD.

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