Relevant bibliographies by topics / Stannylenes

Academic literature on the topic 'Stannylenes'

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Published: 6 September 2023
Last updated: 7 September 2023

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Journal articles on the topic "Stannylenes"

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Cabeza, Javier A., Israel Fernández, Pablo García-Álvarez, Rubén García-Soriano, Carlos J. Laglera-Gándara, and Rubén Toral. "Stannylenes based on pyrrole-phosphane and dipyrromethane-diphosphane scaffolds: syntheses and behavior as precursors to PSnP pincer palladium(ii), palladium(0) and gold(i) complexes." Dalton Transactions 50, no. 44 (2021): 16122–32. http://dx.doi.org/10.1039/d1dt02967c.

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Pahar, Sanjukta, Vishal Sharma, Srinu Tothadi, and Sakya S. Sen. "Pyridylpyrrolido ligand in Ge(ii) and Sn(ii) chemistry: synthesis, reactivity and catalytic application." Dalton Transactions 50, no. 45 (2021): 16678–84. http://dx.doi.org/10.1039/d1dt03136h.

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The work describes the synthesis of a series of germylenes and stannylenes (1–6) supported by pyridylpyrrolido (PyPyr) ligand. The catalytic utility of stannylene 5 towards hydroboration of a range of organic compounds is further explored.
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Neumann, Wilhelm P. "Germylenes and stannylenes." Chemical Reviews 91, no. 3 (May 1991): 311–34. http://dx.doi.org/10.1021/cr00003a002.

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Al-Allaf, Talal A. K. "Reactions of the Divalent Tin Compounds R2M, R = N(SiMe3)2 or CH(SiMe3)2 with Complexes of the Platinum Group Metals." Journal of Chemical Research 2003, no. 2 (January 2003): 101–4. http://dx.doi.org/10.3184/030823403103173110.

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The stannylenes R2Sn, (R = N(SiMe3)2 or CH(SiMe3)2) insert into M–X bonds of complexes [MX2L2] to give new complexes of the general formula [MX(SnR2X)L2], (M = Pt, Pd, Ni; X = Cl, N3, NO2; L = PEt3, PBu3, DPPE). They also insert into Pt–Cl bonds of the bridged complexes [{Pt(μ-Cl)Cl(L)}2], to give the new bridged complexes[{Pt(μ-Cl)(SnR2Cl)(L)}2], (R = N(SiMe3)2, L = PEt3, PBu3, PMe2Ph, PPh3), in which the bridge remained uncleaved. In one reaction of the stannylene R2Sn, where R = CH(SiMe3)2, the bridged complex [{Pt(μ-Cl)(SnR2Cl)(PEt3)}2] undergoes cleavage followed by migration of Cl to give [PtCl(SnR2Cl)(η2-SnR2)(PEt3)]. Further, the bridged complex [{Pt(μ-Cl)(SnR2Cl)(PEt3)}2], (R = N(SiMe3)2), with the neutral ligands L’, (L’ = PPh3, pyridine or AsPh3), undergoes bridge cleavage to form the complexes [PtCl(SnR2Cl)(PEt3)(L’)]. The reaction of the stannylene R2Sn, (R = N(SiMe3)2) with the platinum(0) complexes [Pt(C2H4)(PPh3)2] and [Pt(COD)2], COD = 1,5-cyclooctadiene is described. The complexes obtained have been characterised mainly by 31P NMR spectroscopy and elemental analysis.
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Kristinsdóttir, Lilja, Nicola L. Oldroyd, Rachel Grabiner, Alastair W. Knights, Andreas Heilmann, Andrey V. Protchenko, Haoyu Niu, et al. "Synthetic, structural and reaction chemistry of N-heterocyclic germylene and stannylene compounds featuring N-boryl substituents." Dalton Transactions 48, no. 31 (2019): 11951–60. http://dx.doi.org/10.1039/c9dt02449b.

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Ochiai, Tatsumi, and Shigeyoshi Inoue. "Synthesis of a cyclopentadienyl(imino)stannylene and its direct conversion into halo(imino)stannylenes." RSC Advances 7, no. 2 (2017): 801–4. http://dx.doi.org/10.1039/c6ra27697k.

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We report the synthesis and structure of a dimeric Cp-substituted iminostannylene as well as its unusual reactivity towards haloalkanes, resulting in the formation of halogen-substituted iminostannylenes.
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Hsu, Chen-Yuan, Li-Wei Chan, Gene-Hsiang Lee, Shie-Ming Peng, and Ching-Wen Chiu. "Triphenylene-based tris-N-heterocyclic stannylenes." Dalton Transactions 44, no. 34 (2015): 15095–98. http://dx.doi.org/10.1039/c5dt00694e.

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Nakata, Norio, Narimi Hosoda, Shintaro Takahashi, and Akihiko Ishii. "Chlorogermylenes and -stannylenes stabilized by diimidosulfinate ligands: synthesis, structures, and reactivity." Dalton Transactions 47, no. 2 (2018): 481–90. http://dx.doi.org/10.1039/c7dt04390b.

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De Proft, Frank, Lies Broeckaert, Jan Turek, Aleš Růžička, and Rudolph Willem. "Reactivity of low-oxidation state tin compounds: an overview of the benefits of combining DFT Theory and experimental NMR spectroscopy." Canadian Journal of Chemistry 92, no. 6 (June 2014): 447–61. http://dx.doi.org/10.1139/cjc-2013-0521.

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The reactivity and complexation properties of dicoordinated Sn(II) and Sn(0) compounds are reviewed. The (dominant) electrophilicity of the stannylenes was confirmed and quantified through density functional theory (DFT) based reactivity indices. For these compounds, combining theoretical DFT calculations and experimental nuclear magnetic resonance (NMR) spectroscopic results has evidenced their potential to undergo π-complexation from aromatic π clouds in addition to significantly stronger σ-complexation. Moreover, their potential as Lewis bases was scrutinized in their interactions and reactions with iron and tungsten carbonyl Lewis acids. Finally, a prospective comparison of the reactivity of divalent stannylenes and stannylones, with a 0 oxidation state at the Sn atom, is presented.
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NEUMANN, W. P. "ChemInform Abstract: Germylenes and Stannylenes." ChemInform 22, no. 50 (August 22, 2010): no. http://dx.doi.org/10.1002/chin.199150327.

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Dissertations / Theses on the topic "Stannylenes"

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Rashid, Haroon. "Synthesis of novel heteroleptic stannylenes and reactions with transition-metal carbonyl clusters." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388466.

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Hoppe, Anke. "Synthese, Struktur und Koordinationsverhalten 2,2-P-difunktionalisierter Organo-halogenstannane, Distannane und Stannylene." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=961382430.

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CHARLES, CHANTAL. "Synthese et reactivite de complexes organometalliques silyles et stannyles du fer." Université Louis Pasteur (Strasbourg) (1971-2008), 1997. http://www.theses.fr/1997STR13221.

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Depuis plusieurs annees, un regain d'attention est porte aux complexes organometalliques possedant un groupement stannyle. Ces derniers ont souvent montre des proprietes catalytiques interessantes. Ainsi, il a ete trouve au laboratoire que des complexes fe-pd-sn a pont #2-#2-siopd catalysaient le couplage deshydrogenant de stannanes tertiaires. Dans le but d'elargir l'etude de formation des complexes heterometalliques ayant un ligand silyle, nous avons tente de synthetiser des complexes avec les elements des groupes principaux et plus particulierement avec l'etain. Cependant, nous avons montre que la formation de composes si-fe-sn dependait de plusieurs facteurs : du derive d'etain (vi) employe lors de la synthese, du ligand assembleur phosphore permettant de stabiliser le systeme fe-si-om et la nature du ligand silyle utilise initialement. Nous avons alors etudie les differents produits obtenus a partir d'un meme complexe de depart en faisant varier le derive d'etain, notamment la nature et le nombre de ces groupes partants. En effet, lors de l'attaque nucleophile de l'anion de fer fe(co)#3(sir#3)(p#y)k sur les derives snr#2x#2 ou snr#3x, de nombreux et differents complexes sont synthetises en fonction de la nature du ligand assembleur p#y et du groupe partant x. Les ligands assembleurs que nous avons employes sont le dppm (ph#2pch#2pph#2), le phosphinopyridine (ph#2ppy), le diphenylphosphinocetone (ph#2pch#2c(o)ph) et le diphenylphosphinoamide (ph#2pch#2c(o)nph#2). Au cours de cette etude, nous avons caracterise des composes tri- ou tetranucleaires ou le ligand dppm ne joue pas son role assembleur. Ces complexes ainsi crees peuvent alors se comporter comme des metallophosphines. En effet, le phosphore libre restant peut etre utilise pour coordiner d'autres centres metalliques. On forme ainsi des complexes a plus haute nuclearite sans creer de nouvelles liaisons metal-metal.
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Denieul, Marie-Pierre. "Nouvelles utilisations des dithiocarbonates comme source de radicaux stannyles, propargyles et trifluoroacetonyles." Paris 11, 1998. http://www.theses.fr/1998PA112025.

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L'objectif de cette these a ete de mettre au point de nouvelles methodes d'acces aux radicaux triphenylstannyles, propargyles et trifluoroacetonyles, puis d'en montrer les applications potentielles en synthese organique. Ces radicaux sont facilement engendres a partir de o-alkyldithiocarbonates, communement appeles xanthates, et peuvent alors etre captures par une olefine, meme non-activee, avec transfert de la fonction xanthate. Cette reaction est dite degeneree et autorise, donc, des transformations lentes, inaccessibles par d'autres methodes classiques. Les o-alkyl-s-triphenylstannylxanthates nous ont permis de tirer parti de la chimie radicalaire de l'etain pour effectuer des reactions de cyclisation sur une olefine interne ou transformer une liaison carbone-halogene ou carbone-oxygene en une liaison carbone-soufre, et ce, meme sur des positions encombrees. Les s-propargyl- et s-trifluoroacetonyl xanthates se sont, quant a eux, reveles etre une excellente source de radicaux propargyles et trifluoroacetonyles. Ces radicaux, par reaction avec une olefine interne ou externe, nous ont permis d'acceder soit a des acetyleniques, intermediaires importants en synthese organique, soit a des trifluoromethylcetones diversement fonctionnalisees, inhibiteurs potentiels d'esterases et proteases, et sources de differents heterocycles trifluoromethyles.
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Mcheik, Ali. "Hétérométallocènes et espèces divalentes N-hétérocycliques du groupe 14 (Ge, Sn)." Toulouse 3, 2007. http://www.theses.fr/2007TOU30001.

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Ce travail concerne l'étude de nouvelles espèces divalentes du groupe 14 (germanium et étain). Il s'agissait de développer de nouvelles stratégies de stabilisation (structures de type ferrocène ou complexation intramoléculaire) et de contrôler la réactivité des centres des divalents. Plusieurs motifs ont été envisagés : des hétérobimétallocènes comprenant un métal de transition et un élément du groupe 14 reliés par des cyclopentadiényles, des germylènes N-hétérocycliques qui sont les analogues des carbènes d'Arduengo et des germylènes ou stannylènes à ligands (aminotroponate, di-aminotroponiminate pontés et anilido-iminate). Une étude physiscochimique et structurale approfondie de tous ces nouveaux composés a été réalisée ainsi que les premiers tests de réactivité (réaction avec des électrophiles, réaction par transfert monoélectronique). Dans tous les cas, ces nouveaux composés montrent une activité particulière du métal 14 tout en conservant leur spécificité d'espèces divalente
This work concerns the study of new divalent species of the group 14 (germanium and tin). It was a question of developing new strategies of stabilization (structures of the ferrocene type or intramolecular complexation) and of controlling the reactivity of the species divalent centers. Were considered: heterobimetallocenes including a metal of transition and a group 14 element connected by cyclopentadienyl groups, N-heterocyclic germylenes which are the analogues of the carbenes of Arduengo and germylenes or stannylenes with ligands a aminotroponate, di-aminotroponiminate and anilido-iminate). Physiscochimic and structural studes of all these new compounds were carried out as well as the first tests of reactivity (reaction with electrophiles, single electron transfer). In all the cases, these new compounds show a particular activity of metal 14 preserving their divalent specificity of species
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James, Damien. "Développement d'outils organométalliques en vue du transfert de méthyle, application à la synthèse de radiotraceurs pour la TEP." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13900/document.

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Le couplage de Stille modifié développé par l’équipe du Pr Fouquet a été appliqué à la méthylation de nucléosides, dinucléotides et oligonucléotides dans le but de mettre au point une méthodologie de marquage d’aptamères au carbone 11 pour le diagnostic précoce de cancer par TEP. Ce couplage pallado-catalysé est basé sur l’utilisation de monoorganoétain activé par une source de fluorure permettant d’accélérer la réaction. Dans un premier temps, les essais méthodologiques ont permis de mettre au point le transfert de groupement méthyle sur différents nucléosides et un dinucléotide modifiés dans des conditions compatibles avec la durée de demi-vie du carbone 11 (20,4 min) et la nature particulière des oligonucléotides. Puis, cette méthodologie a été appliquée à des oligonucléotides modèles obtenus après incorporation des nucléosides les plus prometteurs
The modified Stille cross-coupling developed by Pr. Fouquet’s group was applied to the methylation of nucleosides, dinucleotides and oligonucleotides in order to develop a methodology for labelling aptamers with carbon 11 for the early diagnosis of cancer by PET. This pallado-catalyzed cross-coupling is based on the use of monoorganotin activated by a source of fluoride accelerating the reaction. Initial methodology tests helped to finalize the transfer of methyl group on various nucleosides and a dinucleotide, with reaction conditions compatible with the short half-life of carbon 11 (20.4 min) and the special nature of oligonucleotides. Then, this methodology was applied to oligonucleotide models obtained after incorporation of the most promising nucleosides
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Jha, Chandan Kumar. "Chemistry of dipyrrinatogermylenes and- stannylenes." Thesis, 2017. http://localhost:8080/iit/handle/2074/7280.

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Löw, Christian [Verfasser]. "Neue heteroleptische Stannylene und Stannylen-Übergangsmetallkomplexe / vorgelegt von Christian Löw." 2003. http://d-nb.info/967259584/34.

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Chang, Che-Yuan, and 張哲源. "Reactivity Studies of Germylene and Stannylene toward Various Boranes." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/92501522528330877558.

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碩士
國立臺灣大學
化學研究所
103
Borane is a neutral molecule with three substituents and one empty p orbital. There are many applications of boranes in organic chemistry based on the Lewis acidity of the boron center. In order to enhance the electron deficiency of the molecule to improve reactivity, accumulation of the positive charges on boron is an effective way. One of the classes of boron mono-cation is borenium, which has two substituents and one neutral ligand. Compared to the extremely reactive borinium and over stabilized boronium, planar tri-coordinate borenium possesses moderate stability and reactivity for application in organic transformations. On the other hand, being the heavier analogues of N-heterocyclic carbene (NHC), N-heterocyclic metallylenes (NHEs, E = Si, Ge, Sn, Pb) have been investigated for decades. Metallylenes possess two active sites: a lone pair (Lewis base) and a vacant p orbital (Lewis acid). For heavier analogues, the poor s-p orbital mixing leads to increased Lewis acidity and decreased Lewis basicity at the metal center. Inspired by the reactivity of carbene-stabilized borenium cations, we decided to dedicate our efforts to replace carbon with other group fourteen elements, including germanium and tin. We propose that the metallylene-borane adducts could be synthesized, and followed by treating with particular hydride or halide abstracters would form the borenium moiety. However, preliminary results show that the reaction between metallylene and borane is highly dependent on the steric hindrance of both reagents. Thus far, metallylene either transferred its substituents to boron center or does not react with boron derivatives at all.
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Hoppe, Anke [Verfasser]. "Synthese, Struktur und Koordinationsverhalten 2,2-P-difunktionalisierter Organo-halogenstannane, Distannane und Stannylene / von Anke Hoppe." 2000. http://d-nb.info/961382430/34.

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Book chapters on the topic "Stannylenes"

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Mathiasch, B. "From Stannylenes." In Inorganic Reactions and Methods, 93–94. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145234.ch58.

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Tokitoh, Norihiro, and Wataru Ando. "Silylenes (and Germylenes, Stannylenes, Plumbylenes)." In Reactive Intermediate Chemistry, 651–715. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471721492.ch14.

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Molloy, K. C. "Utilizing Stannylenes as Electron-Pair Donor Bases." In Inorganic Reactions and Methods, 231–32. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145241.ch139.

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Dräger, M. "By Insertion of Silylenes, Germylenes, Stannylenes and Plumbylenes into Group-IVB-Hydrogen, -Halide and-Carbon Bonds." In Inorganic Reactions and Methods, 410. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145234.ch177.

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Grindley, T. Bruce. "Applications of Stannyl Ethers and Stannylene Acetals to Oligosaccharide Synthesis." In Synthetic Oligosaccharides, 51–76. Washington, DC: American Chemical Society, 1994. http://dx.doi.org/10.1021/bk-1994-0560.ch004.

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Krebs, A., A. Jacobsen-Bauer, E. Haupt, M. Veith, and V. Huch. "Reaction of an Angle Strained Cycloheptyne with a Stabilized Stannylene — Synthesis and X-Ray Structure of a Distannacyclobutene System." In Strain and Its Implications in Organic Chemistry, 497. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0929-8_38.

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Takeda, N., N. Tokitoh, and R. Okazaki. "From Stannylenes." In Compounds of Group 14 (Ge, Sn, Pb), 1. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00244.

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Takeda, N. "5.2.7 Product Subclass 7: Stannylenes." In Knowledge Updates 2022/3. Stuttgart: Georg Thieme Verlag KG, 2022. http://dx.doi.org/10.1055/sos-sd-105-00362.

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AbstractThis is a revised Science of Synthesis contribution describing methods for the synthesis of stannylenes. Substitution reactions of stable tin(II) compounds such as SnCl2, chlorostannylenes, and aminostannylenes with organolithiums are useful synthetic methods for preparing stannylenes. Insertion reactions of multiple bonds into Sn–X (X = H, B, C, Sn) bonds of hydrostannylene dimers, borylstannylenes, or distannynes can also afford the corresponding stannylenes. In addition, migration reactions of hydrogen, carbon, and amino substituents in (dihydrostannyl)germylene and tin–metal double-bond compounds are used for the synthesis of metal-substituted stannylenes. Finally, reduction of tetravalent tin compounds, such as dibromostannanes, has also been reported for the synthesis of stannylenes.
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Takeda, N., N. Tokitoh, and R. Okazaki. "Chalcogenation of Stannylenes." In Compounds of Group 14 (Ge, Sn, Pb), 1. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00237.

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"Product Subclass 7: Stannylenes." In Category 1, Organometallics, edited by Moloney. Stuttgart: Georg Thieme Verlag, 2003. http://dx.doi.org/10.1055/sos-sd-005-00245.

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Conference papers on the topic "Stannylenes"

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Bredenkamp, Martin W. "UNDERSTANDING STANNYLENE DYNAMICS IN THE DERIVATISATION OF POLYHYDROXY COMPOUNDS." In XXIst International Carbohydrate Symposium 2002. TheScientificWorld Ltd, 2002. http://dx.doi.org/10.1100/tsw.2002.577.

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Kaji, Eisuke, Keigo Shibayama, and Kazusada In. "STANNYLENE ACETAL-MEDIATED REGIOSELECTIVE GLYCOSYLATION OF VARIOUS METHYL HEXOPYRANOSIDES." In XXIst International Carbohydrate Symposium 2002. TheScientificWorld Ltd, 2002. http://dx.doi.org/10.1100/tsw.2002.598.

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Silva, Angelo Amaro T. da, Tamires de O. B. Dias, and Alessandro B. C. Simas. "Selective mono-O-alkylation (protection) of carbohydrates catalyzed by stannylene acetals." In 14th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0039-1.

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Smith, Tony, and Dennis Clouthier. "DETECTION AND CHARACTERIZATION OF THE STANNYLENE (SnH2 ) RADICAL IN THE GAS PHASE." In 72nd International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2017. http://dx.doi.org/10.15278/isms.2017.rj08.

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