Articoli di riviste sul tema "P-Stereogenic catalysts"

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1

Błaszczyk, Jarosław, Bogdan Bujnicki, Patrycja Pokora-Sobczak, Grażyna Mielniczak, Lesław Sieroń, Piotr Kiełbasiński e Józef Drabowicz. "New Optically Active tert-Butylarylthiophosphinic Acids and Their Selenium Analogues as the Potential Synthons of Supramolecular Organometallic Complexes: Syntheses and Crystallographic Structure Determination". Molecules 28, n. 11 (24 maggio 2023): 4298. http://dx.doi.org/10.3390/molecules28114298.

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The aim of the research described in this publication is two-fold. The first is a detailed description of the synthesis of a series of compounds containing a stereogenic heteroatom, namely the optically active P-stereogenic derivatives of tert-butylarylphoshinic acids bearing sulfur or selenium. The second is a detailed discussion dedicated to the determination of their structures by an X-ray analysis. Such a determination is needed when considering optically active hetero-oxophosphoric acids as new chiral solvating agents, precursors of new chiral ionic liquids, or ligands in complexes serving as novel organometallic catalysts.
2

Han, Zhengxu S., Hao Wu, Bo Qu, Yuwen Wang, Ling Wu, Li Zhang, Yibo Xu et al. "New class of P-stereogenic chiral Brønsted acid catalysts derived from chiral phosphinamides". Tetrahedron Letters 60, n. 28 (luglio 2019): 1834–37. http://dx.doi.org/10.1016/j.tetlet.2019.06.013.

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3

von Münchow, Tristan, Suman Dana, Yang Xu, Binbin Yuan e Lutz Ackermann. "Enantioselective electrochemical cobalt-catalyzed aryl C–H activation reactions". Science 379, n. 6636 (10 marzo 2023): 1036–42. http://dx.doi.org/10.1126/science.adg2866.

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Enantioselective redox transformations typically rely on costly transition metals as catalysts and often stoichiometric amounts of chemical redox agents as well. Electrocatalysis represents a more sustainable alternative, in particular through the use of the hydrogen evolution reaction (HER) in place of a chemical oxidant. In this work, we describe strategies for HER-coupled enantioselective aryl carbon-hydrogen bond (C–H) activation reactions using cobalt in place of a precious metal catalyst for the asymmetric oxidation. Thus, highly enantioselective carbon-hydrogen and nitrogen-hydrogen (C–H and N–H) annulations of carboxylic amides were achieved, which gave access to point and axially chiral compounds. Furthermore, the cobalt-mediated electrocatalysis enabled the preparation of various phosphorus (P)–stereogenic compounds by selective desymmetrization through dehydrogenative C–H activation reactions.
4

Chan, Vincent S., Melanie Chiu, Robert G. Bergman e F. Dean Toste. "Development of Ruthenium Catalysts for the Enantioselective Synthesis of P-Stereogenic Phosphines via Nucleophilic Phosphido Intermediates". Journal of the American Chemical Society 131, n. 16 (29 aprile 2009): 6021–32. http://dx.doi.org/10.1021/ja9014887.

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5

Gladiali, Serafino, Serenella Medici, Giovanna Pirri, Sonia Pulacchini e Davide Fabbri. "BINAPS - An axially chiral P,S-heterodonor ligand for asymmetric catalysis based on binaphthalene backbone". Canadian Journal of Chemistry 79, n. 5-6 (1 maggio 2001): 670–78. http://dx.doi.org/10.1139/v01-041.

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Abstract (sommario):
The chelating P,S-heterodonor ligand 2-diphenylphosphanyl-1,1'-binaphthalene-2'-thiol (11) (BINAPS), which features a chiral axis as the unique stereogenic element, has been prepared in both racemic and enantiopure form through a multistep reaction sequence using 2,2'-dihydroxy-1,1'-binaphthalene (BINOL) as the starting material. The reaction sequence is completely stereoconservative and (S)-11 is obtained with no loss of enantiopurity from pure (S)-BINOL. (R)-11 can be alternatively obtained by resolution of racemic 11 using the chiral (S)-benzylaminato Pd(II)-complex 19 as the resolving agent. The S-methyl or the S-i-propyl derivatives 14 have been used as chiral ligands in the Rh(I)-catalyzed asymmetric hydroformylation of styrene and in the hydrogen transfer reduction of acetophenone with modest success (up to 20% ee). In the presence of suitable Pd-complexes the same ligands provide higher ees in the hydrosilylation of styrene (50% ee) and in the allylic alkylation of 1,3-diphenylprop-2-enyl acetate (60% ee).Key words: heterodonor ligands, binaphthalene derivatives, enantioselective catalysis, transition metal catalysts, allylic alkylation.
6

Biosca, Maria, Ernest Salomó, Pol de la Cruz-Sánchez, Antoni Riera, Xavier Verdaguer, Oscar Pàmies e Montserrat Diéguez. "Extending the Substrate Scope in the Hydrogenation of Unfunctionalized Tetrasubstituted Olefins with Ir-P Stereogenic Aminophosphine–Oxazoline Catalysts". Organic Letters 21, n. 3 (16 gennaio 2019): 807–11. http://dx.doi.org/10.1021/acs.orglett.8b04084.

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7

Bagi, Péter, Réka Herbay, Gábor Györke, Péter Pongrácz, László Kollár, István Timári, László Drahos e György Keglevich. "Preparation of Palladium(II) Complexes of 1-substituted-3-phospholene Ligands and their Evaluation as Catalysts in Hydroalkoxycarbonylation". Current Organic Chemistry 23, n. 25 (14 gennaio 2020): 2873–79. http://dx.doi.org/10.2174/1385272823666191204151311.

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Abstract (sommario):
: A series of palladium(II) complexes incorporating 1-substituted-3-methyl-3- phospholenes as the P-ligands were prepared from phospholene oxides by deoxygenation followed by complexation with PdCl2(PhCN)2. The two 1-substituted-3-methyl-3- phospholene ligands were trans position to each other in the Pd(II)-complexes. As the ligands contain a P-stereogenic center, the Pd-complexes were obtained as a 1:1 mixture of two stereoisomers, the homochiral (R,R and S,S) and the meso (R,S) forms, when racemic starting materials were used. An optically active Pd-complex containing (R)-1-propyl- 3-phospholene ligand was also prepared. Catalytic activity of an aryl- and an alkyl-3- phospholene-palladium(II)-complex was evaluated in hydroalkoxycarbonylation of styrene. The alkyl-derivative showed higher activity and selectivity towards the formation of the esters of 3-phenylpropionic acid. However, the overall activity of these PdCl2(phospholene)2-type complexes was low.
8

Huber, Raffael, Alessandro Passera, Erik Gubler e Antonio Mezzetti. "P-Stereogenic PN(H)P Iron(II) Catalysts for the Asymmetric Hydrogenation of Ketones: The Importance of Non-Covalent Interactions in Rational Ligand Design by Computation". Advanced Synthesis & Catalysis 360, n. 15 (22 giugno 2018): 2900–2913. http://dx.doi.org/10.1002/adsc.201800433.

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9

Numan, Ahmed, e Matthew Brichacek. "Asymmetric Synthesis of Stereogenic Phosphorus P(V) Centers Using Chiral Nucleophilic Catalysis". Molecules 26, n. 12 (15 giugno 2021): 3661. http://dx.doi.org/10.3390/molecules26123661.

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Abstract (sommario):
Organophosphates have been widely used in agrochemistry, as reagents for organic synthesis, and in biochemistry. Phosphate mimics possessing four unique substituents, and thereby a chirality center, are useful in transition metal catalysis and as nucleotide therapeutics. The catalytic, stereocontrolled synthesis of phosphorus-stereogenic centers is challenging and traditionally depends on a resolution or use of stochiometric auxiliaries. Herein, enantioenriched phosphorus centers have been synthesized using chiral nucleophilic catalysis. Racemic H-phosphinate species were coupled with nucleophilic alcohols under halogenating conditions. Chiral phosphonate products were synthesized in acceptable yields (33–95%) and modest enantioselectivity (up to 62% ee) was observed after identification of an appropriate chiral catalyst and optimization of the solvent, base, and temperature. Nucleophilic catalysis has a tremendous potential to produce enantioenriched phosphate mimics that could be used as prodrugs or chemical biology probes.
10

Funk, Michael A. "A P catalyst for stereogenic P(III)". Science 371, n. 6530 (11 febbraio 2021): 687.5–687. http://dx.doi.org/10.1126/science.371.6530.687-e.

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11

Xiang, Yijun, Qianyi Ge, Shulei Wu, Xing Zheng e Zehua Yang. "Synthesis and application in asymmetric catalysis of P-stereogenic pincer–metal complexes". RSC Advances 10, n. 16 (2020): 9563–78. http://dx.doi.org/10.1039/d0ra00377h.

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12

Xie, Xiaoxiao, Sanliang Li, Qiaoyu Chen, Hao Guo, Junfeng Yang e Junliang Zhang. "Synthesis and application of novel P-chiral monophosphorus ligands". Organic Chemistry Frontiers 9, n. 6 (2022): 1589–92. http://dx.doi.org/10.1039/d1qo01819a.

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Abstract (sommario):
A series of novel P-stereogenic monophosphorus ligands (Xie-phos) were synthesized via the hydrophosphinylation of alkynes with secondary phosphine oxides by palladium catalysis and the following base mediated cyclization.
13

Schwenk, R., e A. Togni. "P-Trifluoromethyl ligands derived from Josiphos in the Ir-catalysed hydrogenation of 3,4-dihydroisoquinoline hydrochlorides". Dalton Transactions 44, n. 45 (2015): 19566–75. http://dx.doi.org/10.1039/c5dt02019k.

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14

Rojo, Pep, Antoni Riera e Xavier Verdaguer. "Bulky P-stereogenic ligands. A success story in asymmetric catalysis". Coordination Chemistry Reviews 489 (agosto 2023): 215192. http://dx.doi.org/10.1016/j.ccr.2023.215192.

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15

Nagel, Ulrich, e Christoph Roller. "Enantioselektive Katalyse, XVIII Der Einfluß nicht koordinierter Stereozentren auf die enantioselektive Hydrierung/Enantioselective Catalysis, XVIII The Influence of Non-Coordinated Stereocenters on the Enantioselective Hydrogenation". Zeitschrift für Naturforschung B 53, n. 2 (1 febbraio 1998): 211–23. http://dx.doi.org/10.1515/znb-1998-0213.

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Abstract (sommario):
Abstract 3,4-Bis{[2-(methyl-phenyl-oxophosphanyl)-ethyl]phenyl-phosphanyl}pyrrolidines have be­en synthesized by Michael Addition from the corresponding methyl-phenyl-vinyl-phosphane oxides and 3,4-bis(phenylphosphino)pyrrolidines. For purification of the ligands palladium complexes were used and with the enantiomerically pure ligands Rh complexes have been pre­pared. The catalyst has 6 stereogenic centers. In the hydrogenation of Z-α-acetamidocinnamic acid all six stereogenic centers have an influence on the enantioselectivity. The influence is strongest from the C stereocenters of the pyrrolidine ring. Less important are the stereogenic centers on the coordinated P atoms. The influence of the stereocenters on the non-coordinated P = O groups is the least, but it is not negligible. The ee values obtained with the ligands containing P = O groups are much lower than those obtained with ligands which are substituted only with aryl groups. Ketones are hydrogenated with only low ee’s.
16

Grabulosa, Arnald, Alberto Mannu, Guillermo Muller, Teresa Calvet e Mercè Font-Bardia. "P-Stereogenic monophosphines in Pd-catalysed enantioselective hydrovinylation of styrene". Journal of Organometallic Chemistry 696, n. 11-12 (giugno 2011): 2338–45. http://dx.doi.org/10.1016/j.jorganchem.2011.02.034.

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17

Ramazanova, Kyzgaldak, Soumyadeep Chakrabortty, Bernd H. Müller, Peter Lönnecke, Johannes G. de Vries e Evamarie Hey-Hawkins. "Synthesis of P-stereogenic 1-phosphanorbornane-derived phosphine–phosphite ligands and application in asymmetric catalysis". RSC Advances 13, n. 49 (2023): 34439–44. http://dx.doi.org/10.1039/d3ra07630j.

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Abstract (sommario):
A convenient synthesis of enantiopure mixed donor phosphine–phosphite ligands has been developed incorporating P-stereogenic phosphanorbornane and axially chiral bisnaphthols into one ligand structure.
18

Álvarez-Yebra, Rubén, Pep Rojo, Antoni Riera e Xavier Verdaguer. "Iridium complexes with P-stereogenic phosphino imidazole ligands: Synthesis, structure and catalysis". Tetrahedron 75, n. 32 (agosto 2019): 4358–64. http://dx.doi.org/10.1016/j.tet.2019.04.032.

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19

Zhang, Jieming, Hang Ni, Qi Wu, Junfeng Yang e Junliang Zhang. "Development of P, S and Si-Stereogenic Compounds Synthesis via Palladium Catalysis". Chinese Journal of Organic Chemistry 42, n. 10 (2022): 3118. http://dx.doi.org/10.6023/cjoc202208043.

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20

Sondenecker, Aline, Ján Cvengroš, Raphael Aardoom e Antonio Togni. "P-Stereogenic Ferrocene-Based (Trifluoromethyl)phosphanes: Synthesis, Structure, Coordination Properties and Catalysis". European Journal of Organic Chemistry 2011, n. 1 (12 novembre 2010): 78–87. http://dx.doi.org/10.1002/ejoc.201001162.

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21

Han, Zhengxu S., Li Zhang, Yibo Xu, Joshua D. Sieber, Maurice A. Marsini, Zhibin Li, Jonathan T. Reeves et al. "Efficient Asymmetric Synthesis of Structurally Diverse P-Stereogenic Phosphinamides for Catalyst Design". Angewandte Chemie International Edition 54, n. 18 (10 marzo 2015): 5474–77. http://dx.doi.org/10.1002/anie.201500350.

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22

Han, Zhengxu S., Li Zhang, Yibo Xu, Joshua D. Sieber, Maurice A. Marsini, Zhibin Li, Jonathan T. Reeves et al. "Efficient Asymmetric Synthesis of Structurally Diverse P-Stereogenic Phosphinamides for Catalyst Design". Angewandte Chemie 127, n. 18 (10 marzo 2015): 5564–67. http://dx.doi.org/10.1002/ange.201500350.

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23

Berger, Olivier, e Jean-Luc Montchamp. "A General Strategy for the Synthesis of P-Stereogenic Compounds". Angewandte Chemie International Edition 52, n. 43 (9 settembre 2013): 11377–80. http://dx.doi.org/10.1002/anie.201306628.

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24

Balkaner, Orçun, Derya Işıl Sarıoğulları e Aylin Uslu. "A synthetic strategy of P-stereogenic ligands for catalysis: Examples based on cyclotriphosphazenes". Journal of Molecular Structure 1261 (agosto 2022): 132834. http://dx.doi.org/10.1016/j.molstruc.2022.132834.

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25

Cabré, Albert, Antoni Riera e Xavier Verdaguer. "P-Stereogenic Amino-Phosphines as Chiral Ligands: From Privileged Intermediates to Asymmetric Catalysis". Accounts of Chemical Research 53, n. 3 (27 febbraio 2020): 676–89. http://dx.doi.org/10.1021/acs.accounts.9b00633.

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26

Harvey, James Stephen, e Véronique Gouverneur. "Catalytic enantioselective synthesis of P-stereogenic compounds". Chemical Communications 46, n. 40 (2010): 7477. http://dx.doi.org/10.1039/c0cc01939a.

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27

Dziuba, Kamil, Małgorzata Lubańska e K. Michał Pietrusiewicz. "Enantiodivergent Synthesis of Both PAMPO Enantiomers Using l-Menthyl Chloroacetate and Stereomutation at P in Classical Quaternisation Reactions". Synthesis 52, n. 06 (4 dicembre 2019): 909–16. http://dx.doi.org/10.1055/s-0039-1691531.

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Abstract (sommario):
A practical protocol for efficient synthesis of both PAMPO enantiomers as well as related functionalised P-stereogenic phosphine oxides in 1–3 steps from effectively resolved (S P)-l-menthyl o-anisyl­-(phenyl)phosphinylacetate has been developed. Examples of non-stereo­selective quaternisation of a tertiary phosphine by alkyl halides have been revealed.
28

Vinokurov, Nikolai, K. Michał Pietrusiewicz, Sławomir Frynas, Michael Wiebcke e Holger Butenschön. "Asymmetric 1,3-dipolar cycloaddition with a P-stereogenic dipolarophile: An efficient approach to novel P-stereogenic 1,2-diphosphine systems". Chemical Communications, n. 42 (2008): 5408. http://dx.doi.org/10.1039/b810573a.

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29

Whittaker, Benjamin, Manuel de Lera Ruiz e Christopher J. Hayes. "Stereoselective synthesis of highly functionalised P-stereogenic nucleosides via palladium-catalysed P–C cross-coupling reactions". Tetrahedron Letters 49, n. 49 (dicembre 2008): 6984–87. http://dx.doi.org/10.1016/j.tetlet.2008.09.102.

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30

Buergler, Jonas F., Katrin Niedermann e Antonio Togni. "P-Stereogenic Trifluoromethyl Derivatives of Josiphos: Synthesis, Coordination Properties, and Applications in Asymmetric Catalysis". Chemistry - A European Journal 18, n. 2 (8 dicembre 2011): 632–40. http://dx.doi.org/10.1002/chem.201102390.

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31

Schmitz, Christian, Walter Leitner e Giancarlo Franciò. "Synthesis of P-Stereogenic Phosphoramidite and Phosphorodiamidite Ligands and Their Application in Asymmetric Catalysis". European Journal of Organic Chemistry 2015, n. 28 (12 agosto 2015): 6205–30. http://dx.doi.org/10.1002/ejoc.201500767.

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32

Han, Zhengxu S., e et al. "ChemInform Abstract: Efficient Asymmetric Synthesis of Structurally Diverse P-Stereogenic Phosphinamides for Catalyst Design." ChemInform 46, n. 36 (20 agosto 2015): no. http://dx.doi.org/10.1002/chin.201536217.

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33

Mutlu, Ömer Faruk, Arzu Binici, Aytuğ Okumuş, Gamze Elmas, Bünyemin Çoşut, Zeynel Kılıç e Tuncer Hökelek. "Phosphorus–nitrogen compounds. Part 54. syntheses of chiral amino-4-fluorobenzyl-spiro(N/O)cyclotriphosphazenes: structural and stereogenic properties". New Journal of Chemistry 45, n. 27 (2021): 12178–92. http://dx.doi.org/10.1039/d1nj00934f.

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Abstract (sommario):
Syntheses, spectral and crystallographic characterizations and stereogenic properties by 31P NMR spectra recorded with the addition of CSA, CD spectra and chiral HPLC of amino-4-fluorobenzylspiro(N/O)cyclotriphosphazenes were examined.
34

Imoto, Hiroaki, Yasuhiro Morisaki e Yoshiki Chujo. "Synthesis and coordination behaviors of P-stereogenic polymers". Chemical Communications 46, n. 40 (2010): 7542. http://dx.doi.org/10.1039/c0cc03120h.

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35

Dorta, Romano, Alberto Herrera, Anthony Linden, Frank Heinemann, René-Chris Brachvogel e Max von Delius. "Optimized Syntheses of Optically Pure P-Alkene Ligands: Crystal Structures of a Pair of P-Stereogenic Diastereomers". Synthesis 48, n. 08 (17 febbraio 2016): 1117–21. http://dx.doi.org/10.1055/s-0035-1560410.

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36

Join, Benoît, David Mimeau, Olivier Delacroix e Annie-Claude Gaumont. "Pallado-catalysed hydrophosphination of alkynes: access to enantio-enriched P-stereogenic vinyl phosphine–boranes". Chem. Commun., n. 30 (2006): 3249–51. http://dx.doi.org/10.1039/b607434k.

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37

Christ, M. Lorraine, Maria Zablocka, Sally Spencer, Rebecca J. Lavender, Marc Lemaire e Jean Pierre Majoral. "Cyclic β-iminophosphine: New P-stereogenic ligand for the asymmetric catalysed hydrogenation of ketones". Journal of Molecular Catalysis A: Chemical 245, n. 1-2 (febbraio 2006): 210–16. http://dx.doi.org/10.1016/j.molcata.2005.09.043.

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38

Clavero, Pau, Arnald Grabulosa, Mercè Font-Bardia e Guillermo Muller. "P-Stereogenic monophosphines with the 2-p-terphenylyl and 1-pyrenyl substituents. Application to Pd and Ru asymmetric catalysis". Journal of Molecular Catalysis A: Chemical 391 (settembre 2014): 183–90. http://dx.doi.org/10.1016/j.molcata.2014.04.026.

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39

Schmitz, Christian, Walter Leitner e Giancarlo Francio. "ChemInform Abstract: Synthesis of P-Stereogenic Phosphoramidite and Phosphorodiamidite Ligands and Their Application in Asymmetric Catalysis." ChemInform 47, n. 7 (gennaio 2016): no. http://dx.doi.org/10.1002/chin.201607021.

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40

Clarke, Eoin F., Eoin Rafter, Helge Müller-Bunz, Lee J. Higham e Declan G. Gilheany. "The synthesis of P-stereogenic MOP analogues and their use in rhodium catalysed asymmetric addition". Journal of Organometallic Chemistry 696, n. 23 (novembre 2011): 3608–15. http://dx.doi.org/10.1016/j.jorganchem.2011.08.010.

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41

Nishida, Goushi, Keiichi Noguchi, Masao Hirano e Ken Tanaka. "Enantioselective Synthesis of P-Stereogenic Alkynylphosphine Oxides by Rh-Catalyzed [2+2+2] Cycloaddition". Angewandte Chemie International Edition 47, n. 18 (21 aprile 2008): 3410–13. http://dx.doi.org/10.1002/anie.200800144.

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42

Vinokurov, Nikolai, K. Michal Pietrusiewicz e Holger Butenschön. "Asymmetric Diels–Alder cycloaddition of a di-P-stereogenic dienophile with cyclopentadiene". Tetrahedron: Asymmetry 20, n. 9 (maggio 2009): 1081–85. http://dx.doi.org/10.1016/j.tetasy.2009.03.022.

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43

Reichl, Kyle D., Daniel H. Ess e Alexander T. Radosevich. "Catalyzing Pyramidal Inversion: Configurational Lability of P-Stereogenic Phosphines via Single Electron Oxidation". Journal of the American Chemical Society 135, n. 25 (17 giugno 2013): 9354–57. http://dx.doi.org/10.1021/ja404943x.

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44

Bergin, Enda, Cormac T. O'Connor, Shane B. Robinson, Eoghan M. McGarrigle, Colm P. O'Mahony e Declan G. Gilheany. "Synthesis of P-Stereogenic Phosphorus Compounds. Asymmetric Oxidation of Phosphines under Appel Conditions". Journal of the American Chemical Society 129, n. 31 (agosto 2007): 9566–67. http://dx.doi.org/10.1021/ja072925l.

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45

Huang, Zhijian, Xuan Huang, Baosheng Li, Chengli Mou, Song Yang, Bao-An Song e Yonggui Robin Chi. "Access to P-Stereogenic Phosphinates via N-Heterocyclic Carbene-Catalyzed Desymmetrization of Bisphenols". Journal of the American Chemical Society 138, n. 24 (10 giugno 2016): 7524–27. http://dx.doi.org/10.1021/jacs.6b04624.

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46

Scriban, Corina, e David S. Glueck. "Platinum-Catalyzed Asymmetric Alkylation of Secondary Phosphines: Enantioselective Synthesis of P-Stereogenic Phosphines". Journal of the American Chemical Society 128, n. 9 (marzo 2006): 2788–89. http://dx.doi.org/10.1021/ja058096q.

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47

Harvey, James Stephen, Steven J Malcolmson, Katherine S Dunne, Simon J Meek, Amber L Thompson, Richard R Schrock, Amir H Hoveyda e Véronique Gouverneur. "Enantioselective Synthesis of P-Stereogenic Phosphinates and Phosphine Oxides by Molybdenum-Catalyzed Asymmetric Ring-Closing Metathesis". Angewandte Chemie International Edition 48, n. 4 (12 gennaio 2009): 762–66. http://dx.doi.org/10.1002/anie.200805066.

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48

Granander, Johan, Francesco Secci, Peter O’Brien e Brian Kelly. "Kinetic resolution of P-stereogenic phosphine boranes via deprotonation using s-butyllithium/(−)-sparteine". Tetrahedron: Asymmetry 20, n. 21 (novembre 2009): 2432–34. http://dx.doi.org/10.1016/j.tetasy.2009.10.026.

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Moulin, Dominique, Sébastien Bago, Christophe Bauduin, Christophe Darcel e Sylvain Jugé. "Asymmetric synthesis of P-stereogenic o-hydroxyaryl-phosphine (borane) and phosphine-phosphinite ligands". Tetrahedron: Asymmetry 11, n. 19 (ottobre 2000): 3939–56. http://dx.doi.org/10.1016/s0957-4166(00)00372-4.

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Williams, B. Scott, Paulo Dani, Martin Lutz, Anthony L Spek e Gerard van Koten. "Development of the First P-Stereogenic PCP Pincer Ligands, Their Metallation by Palladium and Platinum, and Preliminary Catalysis". Helvetica Chimica Acta 84, n. 11 (14 novembre 2001): 3519–30. http://dx.doi.org/10.1002/1522-2675(20011114)84:11<3519::aid-hlca3519>3.0.co;2-9.

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