1
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Lei X, Sun Y, Guo Q, Shi J. Base mediated aza-[2 + 1] annulation and regioselective aziridine ring-opening cascade: mild synthesis of functionalized β-amino ketones from cyclic N-sulfonyl aldimines and α-carbonyl sulfonium salts. RSC Adv 2024; 14:17178-17183. [PMID: 38808243 PMCID: PMC11131043 DOI: 10.1039/d4ra02817a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 05/20/2024] [Indexed: 05/30/2024] Open
Abstract
Cyclic N-sulfonyl aldimines are well-known aza-[2C]-synthons for various [2 + n] annulation reactions. Herein we describe a novel base mediated [2 + 1] annulation and a regioselective aziridine ring-opening reaction cascade, which provides an efficient and distinct synthetic strategy from readily available cyclic N-sulfonyl aldimines and α-carbonyl sulfonium salts leading to β-amino ketone derivatives through the corresponding fused tri-substituted aziridines. This one-pot, two-step process involves formation of C-C and C-N bonds and subsequent cleavage of a C-N bond. The features of the developed reaction include the use of mild reaction conditions, broad substrate scope, and excellent yields. The synthetic utility of this approach was demonstrated by gram-scale operation and further product derivatizations.
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Affiliation(s)
- Xiaoqiang Lei
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100050 China
| | - Yanyan Sun
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100050 China
| | - Qinglan Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100050 China
| | - Jiangong Shi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100050 China
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2
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Eusamio J, Medina YM, Córdoba JC, Vidal-Ferran A, Sainz D, Gutiérrez A, Font-Bardia M, Grabulosa A. Rhodium and ruthenium complexes of methylene-bridged, P-stereogenic, unsymmetrical diphosphanes. Dalton Trans 2023; 52:2424-2439. [PMID: 36723212 DOI: 10.1039/d2dt04026c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Enantiopure P-stereogenic methylphosphane-boranes (SP)-P(BH3)PhArMe (ArMe; Ar = 1-naphthyl (NpMe), and 2-biphenylyl (BiphMe)) have been used to prepare diphosphanes of the type ArPhPCH2PR2 (R = Ph, iPr or tBu; ArR). The ligands have been reacted with [Rh(COD)2]BF4 to furnish the corresponding six monochelated [Rh(COD)(ArR)]BF4 organometallic compounds (RhArR) or, depending on the reaction conditions, the bis(chelated) coordination compound [Rh(BiphiPr)2]BF4 as a mixture of cis and trans isomers. The crystal structure of cis-[Rh(BiphiPr)2]BF4 was obtained. The coordination of the BiphR with [RuCl(μ-Cl)(η6-p-cymene)2]2 under different conditions produced cationic chelated complexes of the type [RuCl(η6-p-cymene)(κ2-BiphR)]PF6 (RuBiphR) and the neutral monocoordinated complex [RuCl2(η6-p-cymene)(κ1-BiphPh)] (RuBiphPh') with the uncoordinated P-stereogenic moiety. The Rh(I) complexes were used in the catalytic hydrogenation of functionalized olefins and the Ru(II) complexes were tested in the transfer hydrogenation of acetophenone. Both precursors displayed good activities with moderate enantioselectivities.
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Affiliation(s)
- Javier Eusamio
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès, 1-11, E-08028, Barcelona, Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, E-08028, Barcelona, Spain.
| | - Yaiza M Medina
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès, 1-11, E-08028, Barcelona, Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, E-08028, Barcelona, Spain.
| | - Javier C Córdoba
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès, 1-11, E-08028, Barcelona, Spain
| | - Anton Vidal-Ferran
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès, 1-11, E-08028, Barcelona, Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, E-08028, Barcelona, Spain. .,Institució Catalana de Rercerca i Estudis Avançats (ICREA), Passeig Lluís Companys 23, E-08010, Barcelona, Spain
| | - Daniel Sainz
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès, 1-11, E-08028, Barcelona, Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, E-08028, Barcelona, Spain.
| | - Albert Gutiérrez
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès, 1-11, E-08028, Barcelona, Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, E-08028, Barcelona, Spain.
| | - Mercè Font-Bardia
- Unitat de Difracció de Raigs X, Centres Científics i Tecnològics de la Universitat de Barcelona (CCiTUB), Solé i Sabarís 1-3, E-08028, Barcelona, Spain
| | - Arnald Grabulosa
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès, 1-11, E-08028, Barcelona, Spain.,Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, E-08028, Barcelona, Spain.
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3
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Garbacz M, Stecko S. The regioselective Wacker oxidation of internal allylamines: synthesis of functionalized and challenging β-amino ketones. Org Biomol Chem 2022; 21:115-126. [PMID: 36448662 DOI: 10.1039/d2ob01843h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
A convenient and general protocol for the palladium-catalysed oxidation of internal allylamine derivatives to β-amino ketones is reported. The transformation occurs at room temperature and shows a wide substrate scope as well as high functional group and N-protecting group tolerance. We also describe potential applications of the method, e.g., the synthesis of bioactive molecules or simple transformations of selected β-amino ketones into other interesting building blocks.
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Affiliation(s)
- Mateusz Garbacz
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Sebastian Stecko
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
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4
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Riley RD, Robertson KN, Clyburne J. Reaction of bis(dialkylphosphino)amines R2PNHPNR2 (R = i-Pr, t-Bu, Ph) with halogens X2 (X = Cl, Br, I): different solvents – different stories. CAN J CHEM 2022. [DOI: 10.1139/cjc-2022-0095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The bis(dialkylphosphino)amines R2PNHPNR2 react with elemental halogens X2 in dichloromethane to produce cationic products of the general form [(R)2P(X)-N-(R)2P(X)]+ (R = i-Pr, Ph, t-Bu; X = Cl, Br, I). All of the nine possible products have been isolated and characterized using X-ray diffraction. The dichloro compounds crystallize as [HCl2]- salts, while the dibromo and diiodo products have been isolated as trihalides, [X3]-. A number of these compounds have been shown to react further with methanol to produce salts containing [(R)2P(OCH3)N(R)2P(OCH3)]+ cations, some of which have also been characterized using X-ray crystallography. Conversion of [(Ph)2P(I)-N-(Ph)2P(I)][I3] to [(Ph)2P(OCH3)-N-(Ph)2P(OCH3)] [I3] was monitored using 31P NMR spectroscopy which revealed a stepwise reaction of the former compound with methanol. The results are discussed within the context of coupled reactions; this is then used to rationalize a mechanism for the formation of a rare catenated bismuth compound we reported previously. We suggest that the formation of the weak Bi-Bi bonds is offset by a coupled or a connected reaction mechanism, involving an irreversible reaction forming strong P-OR bonds in another of the isolated products.
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Affiliation(s)
| | | | - Jason Clyburne
- Saint Mary's University, 3690, Chemistry, Halifax, Nova Scotia, Canada,
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5
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Li YB, Tian H, Zhang S, Xiao JZ, Yin L. Copper(I)-Catalyzed Asymmetric Synthesis of P-Chiral Aminophosphinites. Angew Chem Int Ed Engl 2022; 61:e202117760. [PMID: 35076164 DOI: 10.1002/anie.202117760] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Indexed: 01/04/2023]
Abstract
Herein, a copper(I)-catalyzed reaction of diarylphosphines and O-benzoyl hydroxylamines is developed. In the cases of symmetrical diarylphosphines, a series of aminophosphinites is prepared in high yields. In the cases of unsymmetrical diarylphosphines, an array of P-chiral aminophosphinites is synthesized in high yields with high enantioselectivity by using a copper(I)-(R,RP )-Ph-FOXAP complex as a chiral catalyst. Based on several control experiments and 31 P NMR studies, a two-electron redox mechanism involving the dynamic kinetic asymmetric transformation of unsymmetrical diarylphosphines is proposed for the copper(I)-catalyzed asymmetric reaction. Finally, one representative P-chiral phosphoric amide generated through the oxidation with H2 O2 is transformed to a chiral diarylphosphinate in high yield with retained enantioselectivity, which allows further transformations towards various P-chiral tertiary phosphines.
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Affiliation(s)
- Yan-Bo Li
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Hu Tian
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Shuai Zhang
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Jun-Zhao Xiao
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Liang Yin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
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6
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Li Y, Tian H, Zhang S, Xiao J, Yin L. Copper(I)‐Catalyzed Asymmetric Synthesis of
P
‐Chiral Aminophosphinites. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yan‐Bo Li
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Hu Tian
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Shuai Zhang
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Jun‐Zhao Xiao
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Liang Yin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
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7
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Cabré A, Verdaguer X, Riera A. Recent Advances in the Enantioselective Synthesis of Chiral Amines via Transition Metal-Catalyzed Asymmetric Hydrogenation. Chem Rev 2022; 122:269-339. [PMID: 34677059 PMCID: PMC9998038 DOI: 10.1021/acs.chemrev.1c00496] [Citation(s) in RCA: 117] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Chiral amines are key structural motifs present in a wide variety of natural products, drugs, and other biologically active compounds. During the past decade, significant advances have been made with respect to the enantioselective synthesis of chiral amines, many of them based on catalytic asymmetric hydrogenation (AH). The present review covers the use of AH in the synthesis of chiral amines bearing a stereogenic center either in the α, β, or γ position with respect to the nitrogen atom, reported from 2010 to 2020. Therefore, we provide an overview of the recent advances in the AH of imines, enamides, enamines, allyl amines, and N-heteroaromatic compounds.
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Affiliation(s)
- Albert Cabré
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain.,Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain.,Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain.,Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
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8
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Rojo P, Riera A, Verdaguer X. BOM-Phosphinite as an Electrophilic P-Stereogenic Transfer Reagent for the Synthesis of Bulky Phosphines: Synthesis of tert-Butyl(3,5-di- tert-butylphenyl)BisP. Org Lett 2021; 23:4802-4806. [PMID: 34080882 DOI: 10.1021/acs.orglett.1c01522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BOM-tert-butylmethylphosphinite borane is an efficient electrophilic P-stereogenic transfer reagent for the synthesis of bulky tertiary phosphines. The novel methodology relies on a one-pot deprotection/substitution on the trivalent phosphinite that takes place with very high stereospecificity. The potential of this strategy is demonstrated with the synthesis of a wide scope of tertiary phosphines in excellent enantiomeric excess. The methodology was applied to the synthesis of a bulky P-stereogenic BisP* ligand analogue.
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Affiliation(s)
- Pep Rojo
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixach 10, 08028 Barcelona, Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixach 10, 08028 Barcelona, Spain.,Departament de Química Inorgànica i Orgànica, Secció Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixach 10, 08028 Barcelona, Spain.,Departament de Química Inorgànica i Orgànica, Secció Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain
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9
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Structure-based design of a Cortistatin analogue with immunomodulatory activity in models of inflammatory bowel disease. Nat Commun 2021; 12:1869. [PMID: 33767180 PMCID: PMC7994712 DOI: 10.1038/s41467-021-22076-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 02/24/2021] [Indexed: 12/11/2022] Open
Abstract
Ulcerative colitis and Crohn’s disease are forms of inflammatory bowel disease whose incidence and prevalence are increasing worldwide. These diseases lead to chronic inflammation of the gastrointestinal tract as a result of an abnormal response of the immune system. Recent studies positioned Cortistatin, which shows low stability in plasma, as a candidate for IBD treatment. Here, using NMR structural information, we design five Cortistatin analogues adopting selected native Cortistatin conformations in solution. One of them, A5, preserves the anti-inflammatory and immunomodulatory activities of Cortistatin in vitro and in mouse models of the disease. Additionally, A5 displays an increased half-life in serum and a unique receptor binding profile, thereby overcoming the limitations of the native Cortistatin as a therapeutic agent. This study provides an efficient approach to the rational design of Cortistatin analogues and opens up new possibilities for the treatment of patients that fail to respond to other therapies. Inflammatory bowel disease is caused by chronic inflammation of the gastrointestinal tract and disturbed immune responses. Here the authors present examination of Cortistatin analogues that display enhanced half-life stability whilst maintaining immunomodulatory functionality.
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10
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Tanase T, Nakamae K, Hayashi S, Okue A, Otaki R, Nishida T, Ura Y, Kitagawa Y, Nakajima T. Chiral Octapalladium Chains Supported by Enantiopure P-Stereogenic Linear Tetraphosphines, (R,R)- and (S,S)-Ph2PCH2P(Ph)CH2P(Ph)CH2PPh2. Inorg Chem 2021; 60:3259-3273. [DOI: 10.1021/acs.inorgchem.0c03684] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Tomoaki Tanase
- Department of Chemistry, Faculty of Science, Nara Women’s University, Kitauoya-nishi-machi, Nara 630-8506, Japan
| | - Kanako Nakamae
- Department of Chemistry, Faculty of Science, Nara Women’s University, Kitauoya-nishi-machi, Nara 630-8506, Japan
| | - Suzui Hayashi
- Department of Chemistry, Faculty of Science, Nara Women’s University, Kitauoya-nishi-machi, Nara 630-8506, Japan
| | - Ayumi Okue
- Department of Chemistry, Faculty of Science, Nara Women’s University, Kitauoya-nishi-machi, Nara 630-8506, Japan
| | - Risa Otaki
- Department of Chemistry, Faculty of Science, Nara Women’s University, Kitauoya-nishi-machi, Nara 630-8506, Japan
| | - Tomoko Nishida
- Department of Chemistry, Faculty of Science, Nara Women’s University, Kitauoya-nishi-machi, Nara 630-8506, Japan
| | - Yasuyuki Ura
- Department of Chemistry, Faculty of Science, Nara Women’s University, Kitauoya-nishi-machi, Nara 630-8506, Japan
| | - Yasutaka Kitagawa
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
| | - Takayuki Nakajima
- Department of Chemistry, Faculty of Science, Nara Women’s University, Kitauoya-nishi-machi, Nara 630-8506, Japan
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11
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C. Córdoba J, Vidal-Ferran A, Font-Bardia M, Grabulosa A. Palladium Complexes of Methylene-Bridged P-Stereogenic, Unsymmetrical Diphosphines. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00283] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Javier C. Córdoba
- Departament de Quı́mica Inorgànica i Orgànica, Secció de Quı́mica Inorgànica, Universitat de Barcelona, Martı́ i Franquès, 1-11, E-08028 Barcelona, Spain
| | - Anton Vidal-Ferran
- Departament de Quı́mica Inorgànica i Orgànica, Secció de Quı́mica Inorgànica, Universitat de Barcelona, Martı́ i Franquès, 1-11, E-08028 Barcelona, Spain
- Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, E-08028 Barcelona, Spain
- Institució Catalana de Rercerca i Estudis Avançats (ICREA), Passeig Lluís Companys 23, E-08010 Barcelona, Spain
| | - Mercè Font-Bardia
- Unitat de Difracció de Raigs X, Centres Cientı́fics i Tecnològics de la Universitat de Barcelona (CCiTUB), Solé i Sabarís 1-3, E-08028 Barcelona, Spain
| | - Arnald Grabulosa
- Departament de Quı́mica Inorgànica i Orgànica, Secció de Quı́mica Inorgànica, Universitat de Barcelona, Martı́ i Franquès, 1-11, E-08028 Barcelona, Spain
- Institut de Nanociència i Nanotecnologia (IN2UB), Universitat de Barcelona, E-08028 Barcelona, Spain
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12
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Catalytic Regioselective Isomerization of 2,2‐Disubstituted Oxetanes to Homoallylic Alcohols. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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13
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Cabré A, Rafael S, Sciortino G, Ujaque G, Verdaguer X, Lledós A, Riera A. Catalytic Regioselective Isomerization of 2,2-Disubstituted Oxetanes to Homoallylic Alcohols. Angew Chem Int Ed Engl 2020; 59:7521-7527. [PMID: 31981390 DOI: 10.1002/anie.201915772] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/24/2020] [Indexed: 12/27/2022]
Abstract
The selective isomerization of strained heterocyclic compounds is an important tool in organic synthesis. An unprecedented regioselective isomerization of 2,2-disubstituted oxetanes into homoallylic alcohols is described. The use of tris(pentafluorophenyl)borane (B(C6 F5 )3 ), a commercially available Lewis acid was key to obtaining good yields and selectivities since other Lewis acids afforded mixtures of isomers and substantial polymerization. The reaction took place under exceptionally mild reaction conditions and very low catalyst loading (0.5 mol %). DFT calculations disclose the mechanistic features of the isomerization and account for the high selectivity displayed by the B(C6 F5 )3 catalyst. The synthetic applicability of the new reaction is demonstrated by the preparation of γ-chiral alcohols using iridium-catalyzed asymmetric hydrogenation.
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Affiliation(s)
- Albert Cabré
- Institute of Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028, Barcelona, Spain.,Departament de Química Inorgànica i Orgànica, Secció Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain
| | - Sergi Rafael
- Departament de Química Inorgànica i Orgànica, Secció Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain
| | - Giuseppe Sciortino
- Departament de Química, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193, Barcelona, Spain.,Dipartimento di Chimica e Farmacia, Università di Sassari, Via Vienna 2, 07100, Sassari, Italy
| | - Gregori Ujaque
- Departament de Química, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193, Barcelona, Spain
| | - Xavier Verdaguer
- Institute of Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028, Barcelona, Spain.,Departament de Química Inorgànica i Orgànica, Secció Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain
| | - Agustí Lledós
- Departament de Química, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, 08193, Barcelona, Spain
| | - Antoni Riera
- Institute of Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028, Barcelona, Spain.,Departament de Química Inorgànica i Orgànica, Secció Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain
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14
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Biosca M, de la Cruz-Sánchez P, Pàmies O, Diéguez M. P-Stereogenic N-Phosphine-Phosphite Ligands for the Rh-Catalyzed Hydrogenation of Olefins. J Org Chem 2020; 85:4730-4739. [PMID: 32130858 DOI: 10.1021/acs.joc.9b03508] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We have identified a successful family of simple P-stereogenic N-phosphine-phosphite ligands for the Rh-catalyzed asymmetric hydrogenation of olefins. These catalysts show excellent enantiocontrol for α-dehydroamino acid derivatives and α-enamides (ee's up to >99%) and promising results for the more challenging β-analogues (ee's up to 80%). The usefulness of these catalytic systems was further demonstrated with the synthesis of several valuable precursors for pharmacologically active compounds, with ee's at least as high as the best ones reported previously (up to >99%).
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Affiliation(s)
- Maria Biosca
- Universitat Rovira i Virgili, Departament de Quı́mica Fı́sica i Inorgànica, C/Marcel·lı́ Domingo 1, 43007 Tarragona, Spain
| | - Pol de la Cruz-Sánchez
- Universitat Rovira i Virgili, Departament de Quı́mica Fı́sica i Inorgànica, C/Marcel·lı́ Domingo 1, 43007 Tarragona, Spain
| | - Oscar Pàmies
- Universitat Rovira i Virgili, Departament de Quı́mica Fı́sica i Inorgànica, C/Marcel·lı́ Domingo 1, 43007 Tarragona, Spain
| | - Montserrat Diéguez
- Universitat Rovira i Virgili, Departament de Quı́mica Fı́sica i Inorgànica, C/Marcel·lı́ Domingo 1, 43007 Tarragona, Spain
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15
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Cabré A, Riera A, Verdaguer X. P-Stereogenic Amino-Phosphines as Chiral Ligands: From Privileged Intermediates to Asymmetric Catalysis. Acc Chem Res 2020; 53:676-689. [PMID: 32105437 DOI: 10.1021/acs.accounts.9b00633] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Among chiral phosphines, P-stereogenic phosphines provide unparalleled activity and selectivity and have thus emerged as "state-of-the-art" ligands for asymmetric hydrogenation and other industrially relevant processes. However, the synthesis of this type of ligand implies lengthy multistep sequences, which are a hurdle for many laboratories. There is a lack of methods for the rapid construction of P-stereogenic phosphine ligands. In this respect, P-stereogenic synthons that can be rapidly incorporated into a given ligand scaffold are highly desirable. Over the last 10 years, our group has unveiled that P-stereogenic aminophosphines can be rapidly assembled in a convenient fashion from the corresponding primary aminophosphine and/or the corresponding phosphinous acid.Using cis-1-amino-2-indanol as chiral auxiliary, we devised a multigram synthesis of tert-butylmethylaminophosphine borane and tert-butylmethylphosphinous acid borane, which are key intermediate synthons. Primary aminophosphine works as nucleophilic intermediates at nitrogen. From this synthon, aminodiphosphine (MaxPHOS) and secondary imino phosphoranes (SIP) ligands were synthesized. These ligands exhibit a tautomeric equilibrium between the PH and NH forms, and because of that, they do not undergo oxidation in air. NH/PH tautomerism does not jeopardize their configurational stability, and most importantly, in the presence of a metal source, the equilibrium is shifted toward the NH form, thus allowing coordination through phosphorus. Rh-MaxPHOS and Rh-SIP complexes have been used in asymmetric hydrogenation and [2 + 2 + 2] cycloaddition reactions with outstanding results. On the other hand, P-stereogenic phosphinous acid, upon activation, serves as an electrophilic reagent with amine nucleophiles, allowing SN2 reactions at phosphorus with complete inversion of configuration. This coupling technology exhibits a great potential because it allows the incorporation of the P*-phosphine fragment in numerous ligand structures, provided there is an amino group with which to react. In a mild and efficient process, phosphinous acid has been coupled to hydrazine to yield C2 diphosphines and to chiral benzoimidazole-amines to yield P-stereogenic benzoimidazole-phosphine ligands. The most powerful ligand system, however, arises from the condensation of three independent fragments: our phosphinous acid borane, an amino acid, and an amino alcohol, which yields a library of phosphino-oxazoline ligands named MaxPHOX. The corresponding Ir-MaxPHOX catalyst library was applied with excellent results in the asymmetric hydrogenation of α,β-unsaturated esters, 2-aryl allyl phthalimides, unfunctionalized tetrasubstituted alkenes, cyclic enamides, and N-aryl and N-methyl imines. It also has found application in asymmetric isomerization of alkenes.Overall, we developed key P-stereogenic building blocks that can be incorporated stereospecifically to ligand scaffolds and demonstrated that integration of the P*-aminophosphine fragment in a given catalytic system provides structural diversity that can be a critical contribution to obtaining optimal results and selectivity.
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Affiliation(s)
- Albert Cabré
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain
- Departament de Quı́mica Inorgànica i Orgànica, Secció Orgànica, Facultat de Quı́mica, Universitat de Barcelona, Martí i Franqués 1, 08028 Barcelona, Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain
- Departament de Quı́mica Inorgànica i Orgànica, Secció Orgànica, Facultat de Quı́mica, Universitat de Barcelona, Martí i Franqués 1, 08028 Barcelona, Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain
- Departament de Quı́mica Inorgànica i Orgànica, Secció Orgànica, Facultat de Quı́mica, Universitat de Barcelona, Martí i Franqués 1, 08028 Barcelona, Spain
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16
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Cabré A, Romagnoli E, Martínez-Balart P, Verdaguer X, Riera A. Highly Enantioselective Iridium-Catalyzed Hydrogenation of 2-Aryl Allyl Phthalimides. Org Lett 2019; 21:9709-9713. [DOI: 10.1021/acs.orglett.9b03865] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Albert Cabré
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain
- Departament de Química Inorgànica i Orgànica, Secció Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Elia Romagnoli
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain
| | - Pol Martínez-Balart
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain
- Departament de Química Inorgànica i Orgànica, Secció Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10, 08028 Barcelona, Spain
- Departament de Química Inorgànica i Orgànica, Secció Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
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17
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Sawatsugawa Y, Tamura K, Sano N, Imamoto T. A Bulky Three-Hindered Quadrant Bisphosphine Ligand: Synthesis and Application in Rhodium-Catalyzed Asymmetric Hydrogenation of Functionalized Alkenes. Org Lett 2019; 21:8874-8878. [PMID: 31622109 DOI: 10.1021/acs.orglett.9b02702] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A bulky three-hindered quadrant bisphosphine ligand, di-1-adamantylphosphino(tert-butylmethylphosphino)methane, named BulkyP*, has been synthesized via a convergent short pathway with chromatography-free procedures. The ligand is a crystalline solid and can be readily handled in air. Its rhodium(I) complex exhibits very high enantioselectivities and catalytic activities in the asymmetric hydrogenation of functionalized alkenes.
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Affiliation(s)
- Yuuki Sawatsugawa
- Organic R&D Department , Nippon Chemical Industrial Co., Ltd. , Kameido, Koto-ku , Tokyo 136-8515 , Japan
| | - Ken Tamura
- Organic R&D Department , Nippon Chemical Industrial Co., Ltd. , Kameido, Koto-ku , Tokyo 136-8515 , Japan
| | - Natsuhiro Sano
- Organic R&D Department , Nippon Chemical Industrial Co., Ltd. , Kameido, Koto-ku , Tokyo 136-8515 , Japan
| | - Tsuneo Imamoto
- Organic R&D Department , Nippon Chemical Industrial Co., Ltd. , Kameido, Koto-ku , Tokyo 136-8515 , Japan.,Department of Chemistry, Graduate School of Science , Chiba University , Yayoi-cho, Inage-ku , Chiba 263-8522 , Japan
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18
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Moschner J, Stulberg V, Fernandes R, Huhmann S, Leppkes J, Koksch B. Approaches to Obtaining Fluorinated α-Amino Acids. Chem Rev 2019; 119:10718-10801. [PMID: 31436087 DOI: 10.1021/acs.chemrev.9b00024] [Citation(s) in RCA: 168] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Fluorine does not belong to the pool of chemical elements that nature uses to build organic matter. However, chemists have exploited the unique properties of fluorine and produced countless fluoro-organic compounds without which our everyday lives would be unimaginable. The incorporation of fluorine into amino acids established a completely new class of amino acids and their properties, and those of the biopolymers constructed from them are extremely interesting. Increasing interest in this class of amino acids caused the demand for robust and stereoselective synthetic protocols that enable straightforward access to these building blocks. Herein, we present a comprehensive account of the literature in this field going back to 1995. We place special emphasis on a particular fluorination strategy. The four main sections describe fluorinated versions of alkyl, cyclic, aromatic amino acids, and also nickel-complexes to access them. We progress by one carbon unit increments. Special cases of amino acids for which there is no natural counterpart are described at the end of each section. Synthetic access to each of the amino acids is summarized in form of a table at the end of this article with the aim to make the information easily accessible to the reader.
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Affiliation(s)
- Johann Moschner
- Department of Biology, Chemistry and Pharmacy, Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustr. 3 , 14195 Berlin , Germany
| | - Valentina Stulberg
- Department of Biology, Chemistry and Pharmacy, Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustr. 3 , 14195 Berlin , Germany
| | - Rita Fernandes
- Department of Biology, Chemistry and Pharmacy, Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustr. 3 , 14195 Berlin , Germany
| | - Susanne Huhmann
- Department of Biology, Chemistry and Pharmacy, Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustr. 3 , 14195 Berlin , Germany
| | - Jakob Leppkes
- Department of Biology, Chemistry and Pharmacy, Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustr. 3 , 14195 Berlin , Germany
| | - Beate Koksch
- Department of Biology, Chemistry and Pharmacy, Institute of Chemistry and Biochemistry , Freie Universität Berlin , Takustr. 3 , 14195 Berlin , Germany
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19
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Cabré A, Verdaguer X, Riera A. Enantioselective Synthesis of β‐Methyl Amines
via
Iridium‐Catalyzed Asymmetric Hydrogenation of
N
‐Sulfonyl Allyl Amines. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900748] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Albert Cabré
- Institute for Research in Biomedicine (IRB Barcelona) Baldiri Reixac 10 08028 Barcelona Spain
- Departament de Química Inorgànica i OrgànicaSecció Orgànica. Universitat de Barcelona Martí i Franquès 1 Barcelona E-08028 Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona) Baldiri Reixac 10 08028 Barcelona Spain
- Departament de Química Inorgànica i OrgànicaSecció Orgànica. Universitat de Barcelona Martí i Franquès 1 Barcelona E-08028 Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona) Baldiri Reixac 10 08028 Barcelona Spain
- Departament de Química Inorgànica i OrgànicaSecció Orgànica. Universitat de Barcelona Martí i Franquès 1 Barcelona E-08028 Spain
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20
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Lemouzy S, Membrat R, Olivieri E, Jean M, Albalat M, Nuel D, Giordano L, Hérault D, Buono G. Umpolung Reactivity of in Situ Generated Phosphido-Boranes: An Entry to P-Stereogenic Aminophosphine-Boranes. J Org Chem 2019; 84:4551-4557. [DOI: 10.1021/acs.joc.9b00333] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Sébastien Lemouzy
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Romain Membrat
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Enzo Olivieri
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Marion Jean
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Muriel Albalat
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Didier Nuel
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Laurent Giordano
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Damien Hérault
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
| | - Gérard Buono
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille 13397, France
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21
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Czauderna CF, Slawin AM, Cordes DB, van der Vlugt JI, Kamer PC. P-stereogenic wide bite angle diphosphine ligands. Tetrahedron 2019. [DOI: 10.1016/j.tet.2018.10.070] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Huber R, Passera A, Mezzetti A. Which future for stereogenic phosphorus? Lessons from P* pincer complexes of iron(ii). Chem Commun (Camb) 2019; 55:9251-9266. [DOI: 10.1039/c9cc03910d] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Locking the chelate conformation and supplying steric bulk for enantiodiscrimination: a tough task for stereogenic phosphorus in multidentate ligands.
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Affiliation(s)
- Raffael Huber
- Department of Chemistry and Applied Biosciences
- ETH Zürich
- CH-8093 Zürich
- Switzerland
| | - Alessandro Passera
- Department of Chemistry and Applied Biosciences
- ETH Zürich
- CH-8093 Zürich
- Switzerland
| | - Antonio Mezzetti
- Department of Chemistry and Applied Biosciences
- ETH Zürich
- CH-8093 Zürich
- Switzerland
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23
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Jia J, Fan D, Zhang J, Zhang Z, Zhang W. AnAtroposBiphenyl Bisphosphine Ligand with 2,2′-tert-Butylmethylphosphino Groups for the Rhodium-Catalyzed Asymmetric Hydrogenation of Enol Esters. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800774] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Jia Jia
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
| | - Dongyang Fan
- School of Pharmacy; Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240; People's Republic of China
| | - Jian Zhang
- School of Pharmacy; Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240; People's Republic of China
| | - Zhenfeng Zhang
- School of Pharmacy; Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240; People's Republic of China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 People's Republic of China
- School of Pharmacy; Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240; People's Republic of China
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24
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Cabré A, Khaizourane H, Garçon M, Verdaguer X, Riera A. Total Synthesis of (R)-Sarkomycin Methyl Ester via Regioselective Intermolecular Pauson–Khand Reaction and Iridium-Catalyzed Asymmetric Isomerization. Org Lett 2018; 20:3953-3957. [DOI: 10.1021/acs.orglett.8b01525] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Albert Cabré
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain
- Departament de Química Inorgànica i Orgànica, Secció Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Héléa Khaizourane
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain
| | - Martí Garçon
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain
- Departament de Química Inorgànica i Orgànica, Secció Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain
- Departament de Química Inorgànica i Orgànica, Secció Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, Barcelona E-08028, Spain
- Departament de Química Inorgànica i Orgànica, Secció Orgànica, Universitat de Barcelona, Martí i Franquès 1, Barcelona E-08028, Spain
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25
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Saito N, Abdullah I, Hayashi K, Hamada K, Koyama M, Sato Y. Enantioselective synthesis of β-amino acid derivatives via nickel-promoted regioselective carboxylation of ynamides and rhodium-catalyzed asymmetric hydrogenation. Org Biomol Chem 2018; 14:10080-10089. [PMID: 27722728 DOI: 10.1039/c6ob01234e] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
We succeeded in the development of a new method for enantioselective synthesis of α-substituted-β-amino acid derivatives. Thus, nickel(0)-promoted carboxylation of ynamide gave the α-substituted-β-aminoacrylate derivative in a highly regioselective manner. Then, rhodium-catalyzed asymmetric hydrogenation of the α-substituted β-aminoacrylate produced the corresponding α-substituted β-amino acid derivative as an optically active form.
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Affiliation(s)
- Nozomi Saito
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Iman Abdullah
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Kayoko Hayashi
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Katsuyuki Hamada
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Momoko Koyama
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Yoshihiro Sato
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
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26
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Gallen A, Orgué S, Muller G, Escudero-Adán EC, Riera A, Verdaguer X, Grabulosa A. Synthesis and coordination chemistry of enantiopure t-BuMeP(O)H. Dalton Trans 2018; 47:5366-5379. [PMID: 29589633 DOI: 10.1039/c8dt00897c] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Enantioselective synthesis of t-BuMeP(O)H and its coordination chemistry towards several transition metals are described, showing a variety of coordination modes.
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Affiliation(s)
- Albert Gallen
- Departament de Química Inorgànica i Orgànica
- Secció de Química Inorgànica
- Universitat de Barcelona
- Martí i Franquès
- Barcelona
| | - Sílvia Orgué
- Institute for Research in Biomedicine (IRB-Barcelona)
- The Barcelona Institute of Science and Technology
- Barcelona 08028
- Spain
| | - Guillermo Muller
- Departament de Química Inorgànica i Orgànica
- Secció de Química Inorgànica
- Universitat de Barcelona
- Martí i Franquès
- Barcelona
| | - Eduardo C. Escudero-Adán
- Institute of Chemical Research of Catalonia (ICIQ)
- The Barcelona Institute of Science and Technology (BIST)
- Av. Països Catalans 16
- Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB-Barcelona)
- The Barcelona Institute of Science and Technology
- Barcelona 08028
- Spain
- Departament de Química Inorgànica i Orgànica
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB-Barcelona)
- The Barcelona Institute of Science and Technology
- Barcelona 08028
- Spain
- Departament de Química Inorgànica i Orgànica
| | - Arnald Grabulosa
- Departament de Química Inorgànica i Orgànica
- Secció de Química Inorgànica
- Universitat de Barcelona
- Martí i Franquès
- Barcelona
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27
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Llopis Q, Guillamot G, Phansavath P, Ratovelomanana-Vidal V. Enantioselective Synthesis of α-Acetal-β'-Amino Ketone Derivatives by Rhodium-Catalyzed Asymmetric Hydrogenation. Org Lett 2017; 19:6428-6431. [PMID: 29152979 DOI: 10.1021/acs.orglett.7b03332] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A range of β-keto-γ-acetal enamides has been synthesized and transformed into the corresponding enantioenriched α-acetal-β'-amino ketones with enantioinductions of up to 99% by using rhodium/QuinoxP*-catalyzed enantioselective hydrogenation under mild conditions. This method also proved to be highly chemoselective toward the reduction of the C-C double bond.
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Affiliation(s)
- Quentin Llopis
- PSL Research University, Chimie ParisTech-CNRS, Institut de Recherche de Chimie Paris , 11 rue Pierre et Marie Curie, 75005 Paris, France.,PCAS , 2-8 rue de Rouen, ZI de Limay-Porcheville, 78440 Porcheville, France
| | - Gérard Guillamot
- PCAS , 2-8 rue de Rouen, ZI de Limay-Porcheville, 78440 Porcheville, France
| | - Phannarath Phansavath
- PSL Research University, Chimie ParisTech-CNRS, Institut de Recherche de Chimie Paris , 11 rue Pierre et Marie Curie, 75005 Paris, France
| | - Virginie Ratovelomanana-Vidal
- PSL Research University, Chimie ParisTech-CNRS, Institut de Recherche de Chimie Paris , 11 rue Pierre et Marie Curie, 75005 Paris, France
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28
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Salomó E, Prades A, Riera A, Verdaguer X. Dialkylammonium tert-Butylmethylphosphinites: Stable Intermediates for the Synthesis of P-Stereogenic Ligands. J Org Chem 2017. [DOI: 10.1021/acs.joc.7b01180] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ernest Salomó
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain
| | - Amparo Prades
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain
| | - Antoni Riera
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain
- Dept.
Química Inorgànica i Orgànica, Secció
de Química Orgànica, Universitat de Barcelona, Martí
i Franquès 1, 08028 Barcelona, Spain
| | - Xavier Verdaguer
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain
- Dept.
Química Inorgànica i Orgànica, Secció
de Química Orgànica, Universitat de Barcelona, Martí
i Franquès 1, 08028 Barcelona, Spain
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29
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Dickie DA, Chadha U, Kemp RA. P- and N-Coordination of the Ambidentate Ligand HN[P(i-Pr)2]2 with Group 13 Trihalides. Inorg Chem 2017; 56:7292-7300. [DOI: 10.1021/acs.inorgchem.7b01051] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Diane A. Dickie
- Department of Chemistry
and Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Ujwal Chadha
- Department of Chemistry
and Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131, United States
| | - Richard A. Kemp
- Department of Chemistry
and Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131, United States
- Advanced Materials Laboratory, Sandia National Laboratories, Albuquerque, New Mexico 87106, United States
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30
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Abstract
The Pauson-Khand [2+2+1] cycloaddition of alkynes, alkenes, and carbon monoxide has been a vibrant area of research for more than 40 years. This review highlights recent achievements in the Pauson-Khand reaction, particularly in catalytic and asymmetric variants. Discussion of regioselectivity and advances in substrate scope is also presented.
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Affiliation(s)
- J David Ricker
- University of Nevada, Reno, Department of Chemistry, Reno, NV 89557, USA
| | - Laina M Geary
- University of Nevada, Reno, Department of Chemistry, Reno, NV 89557, USA
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31
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Prades A, Núñez-Pertíñez S, Riera A, Verdaguer X. P-Stereogenic bisphosphines with a hydrazine backbone: from N–N atropoisomerism to double nitrogen inversion. Chem Commun (Camb) 2017; 53:4605-4608. [DOI: 10.1039/c7cc01944k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
P-Stereogenic C2 diphosphine ligands with a hydrazine backbone are reported. The ligands exist as a mixture of atropo- and nitrogen inversion isomers in slow exchange.
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Affiliation(s)
- Amparo Prades
- Institute for Research in Biomedicine (IRB Barcelona)
- The Barcelona Institute of Science and Technology
- Spain
| | - Samuel Núñez-Pertíñez
- Institute for Research in Biomedicine (IRB Barcelona)
- The Barcelona Institute of Science and Technology
- Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona)
- The Barcelona Institute of Science and Technology
- Spain
- Dept. Química Inorgànica i Orgànica
- Secció de Química Orgànica
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona)
- The Barcelona Institute of Science and Technology
- Spain
- Dept. Química Inorgànica i Orgànica
- Secció de Química Orgànica
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32
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Mansell SM. Catalytic applications of small bite-angle diphosphorus ligands with single-atom linkers. Dalton Trans 2017; 46:15157-15174. [DOI: 10.1039/c7dt03395h] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Diphosphorus ligands connected by a single atom (R2PEPR2; E = CR2, CCR2and NR) give chelating ligands with very small bite-angles as well as enable access to other properties such as bridging modes and hemilability. ThisPerspectivereviews the properties of diphosphorus ligands featuring a single-atom linker and their applications in catalysis, including transformations of alkenes and transfer hydrogenation and hydrogen-borrowing reactions.
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Affiliation(s)
- S. M. Mansell
- Institute of Chemical Sciences
- Heriot-Watt University
- Edinburgh
- UK
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33
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Téllez J, Gallen A, Ferrer J, Lahoz FJ, García-Orduña P, Riera A, Verdaguer X, Carmona D, Grabulosa A. Half-sandwich complexes of Ir(iii), Rh(iii) and Ru(ii) with the MaxPhos ligand: metal centred chirality and cyclometallation. Dalton Trans 2017; 46:15865-15874. [DOI: 10.1039/c7dt03327c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The MaxPhos ligand forms half-sandwich Rh, Ir and Ru complexes diastereoselectively. The Ir complex cyclometallates through C(sp3)–H activation.
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Affiliation(s)
- Juan Téllez
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- CSIC – Universidad de Zaragoza
- Departamento de Química Inorgánica
- Zaragoza 50009
- Spain
| | - Albert Gallen
- Departament de Química Inorgànica i Orgànica
- Secció de Química Inorgànica
- Universitat de Barcelona
- Barcelona 08028
- Spain
| | - Joaquina Ferrer
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- CSIC – Universidad de Zaragoza
- Departamento de Química Inorgánica
- Zaragoza 50009
- Spain
| | - Fernando J. Lahoz
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- CSIC – Universidad de Zaragoza
- Departamento de Química Inorgánica
- Zaragoza 50009
- Spain
| | - Pilar García-Orduña
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- CSIC – Universidad de Zaragoza
- Departamento de Química Inorgánica
- Zaragoza 50009
- Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB-Barcelona)
- The Barcelona Institute of Science and Technology
- Barcelona 08028
- Spain
- Departament de Química Inorgànica i Orgànica
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB-Barcelona)
- The Barcelona Institute of Science and Technology
- Barcelona 08028
- Spain
- Departament de Química Inorgànica i Orgànica
| | - Daniel Carmona
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- CSIC – Universidad de Zaragoza
- Departamento de Química Inorgánica
- Zaragoza 50009
- Spain
| | - Arnald Grabulosa
- Departament de Química Inorgànica i Orgànica
- Secció de Química Inorgànica
- Universitat de Barcelona
- Barcelona 08028
- Spain
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34
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Zhang Z, Butt NA, Zhang W. Asymmetric Hydrogenation of Nonaromatic Cyclic Substrates. Chem Rev 2016; 116:14769-14827. [DOI: 10.1021/acs.chemrev.6b00564] [Citation(s) in RCA: 224] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Zhenfeng Zhang
- School of Pharmacy and ‡School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Nicholas A. Butt
- School of Pharmacy and ‡School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Wanbin Zhang
- School of Pharmacy and ‡School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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35
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Imamoto T. Searching for Practically Useful P-Chirogenic Phosphine Ligands. CHEM REC 2016; 16:2655-2669. [DOI: 10.1002/tcr.201600098] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Tsuneo Imamoto
- Organic R&D Department; Nippon Chemical Industrial Co., Ltd; Koto-ku Tokyo 136-8515 Japan
- Department of Chemistry, Graduate School of Science; Chiba University, Yayoi-cho; Inage-ku Chiba 263-8522 Japan
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36
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Salomó E, Orgué S, Riera A, Verdaguer X. Highly Enantioselective Iridium-Catalyzed Hydrogenation of Cyclic Enamides. Angew Chem Int Ed Engl 2016; 55:7988-92. [PMID: 27186653 PMCID: PMC5084810 DOI: 10.1002/anie.201602219] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 04/08/2016] [Indexed: 11/21/2022]
Abstract
The MaxPHOX-Ir catalyst system provided the highest selectivity ever reported for the reduction of cyclic enamides derived from α- and β-tetralones. This result indicates that iridium catalysts are also proficient in reducing alkenes bearing metal-coordinating groups. In the present system, selectivity was pressure-dependent: In most cases, a decrease in the H2 pressure to 3 bar resulted in an increase in enantioselectivity. Moreover, the process can be carried out in environmentally friendly solvents, such as methanol and ethyl acetate, with no loss of selectivity.
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Affiliation(s)
- Ernest Salomó
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028, Barcelona, Spain
| | - Sílvia Orgué
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028, Barcelona, Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028, Barcelona, Spain.
- Departament de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain.
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028, Barcelona, Spain.
- Departament de Química Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028, Barcelona, Spain.
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37
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Peptide aromatic interactions modulated by fluorinated residues: Synthesis, structure and biological activity of Somatostatin analogs containing 3-(3',5'difluorophenyl)-alanine. Sci Rep 2016; 6:27285. [PMID: 27271737 PMCID: PMC4895178 DOI: 10.1038/srep27285] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 05/17/2016] [Indexed: 12/18/2022] Open
Abstract
Somatostatin is a 14-residue peptide hormone that regulates the endocrine system by binding to five G-protein-coupled receptors (SSTR1–5). We have designed six new Somatostatin analogs with L-3-(3′,5′-difluorophenyl)-alanine (Dfp) as a substitute of Phe and studied the effect of an electron-poor aromatic ring in the network of aromatic interactions present in Somatostatin. Replacement of each of the Phe residues (positions 6, 7 and 11) by Dfp and use of a D-Trp8 yielded peptides whose main conformations could be characterized in aqueous solution by NMR. Receptor binding studies revealed that the analog with Dfp at position 7 displayed a remarkable affinity to SSTR2 and SSTR3. Analogs with Dfp at positions 6 or 11 displayed a π-π interaction with the Phe present at 11 or 6, respectively. Interestingly, these analogs, particularly [D-Trp8,L-Dfp11]-SRIF, showed high selectivity towards SSTR2, with a higher value than that of Octreotide and a similar one to that of native Somatostatin.
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38
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Salomó E, Orgué S, Riera A, Verdaguer X. Highly Enantioselective Iridium-Catalyzed Hydrogenation of Cyclic Enamides. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201602219] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Ernest Salomó
- Institute for Research in Biomedicine (IRB Barcelona); The Barcelona Institute of Science and Technology; Baldiri Reixac 10 08028 Barcelona Spain
| | - Sílvia Orgué
- Institute for Research in Biomedicine (IRB Barcelona); The Barcelona Institute of Science and Technology; Baldiri Reixac 10 08028 Barcelona Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona); The Barcelona Institute of Science and Technology; Baldiri Reixac 10 08028 Barcelona Spain
- Departament de Química Orgànica; Universitat de Barcelona; Martí i Franquès 1 08028 Barcelona Spain
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona); The Barcelona Institute of Science and Technology; Baldiri Reixac 10 08028 Barcelona Spain
- Departament de Química Orgànica; Universitat de Barcelona; Martí i Franquès 1 08028 Barcelona Spain
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39
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Copey L, Jean-Gérard L, Andrioletti B, Framery E. Synthesis of P-stereogenic secondary phosphine oxides using α-d-glucosamine as a chiral precursor. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2015.12.074] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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40
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del Águila-Sánchez MA, Navarro Y, García López J, Guedes GP, López Ortiz F. Synthesis of P-stereogenic diarylphosphinic amides by directed lithiation: transformation into tertiary phosphine oxides via methanolysis, aryne chemistry and complexation behaviour toward zinc(ii). Dalton Trans 2016; 45:2008-22. [DOI: 10.1039/c5dt02860d] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A general synthesis of P-stereogenic compoundsviaDoLi–electrophilic quenching of phosphinic amides and subsequent derivatizations is reported.
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Affiliation(s)
| | - Yolanda Navarro
- Área de Química Orgánica
- Universidad de Almería
- 04120 Almería
- Spain
| | | | - Guilherme P. Guedes
- Instituto de Ciências Exatas
- Departamento de Química
- Universidade Federal Rural do Rio de Janeiro
- 23870-000 Seropédica
- Brazil
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41
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Dutartre M, Bayardon J, Jugé S. Applications and stereoselective syntheses of P-chirogenic phosphorus compounds. Chem Soc Rev 2016; 45:5771-5794. [DOI: 10.1039/c6cs00031b] [Citation(s) in RCA: 233] [Impact Index Per Article: 29.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review reports the best stereoselective or asymmetric syntheses, the most efficient P*-building blocks and functionalisation of P-chirogenic compounds, in the light of chiral phosphorus compound applications.
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Affiliation(s)
- Mathieu Dutartre
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB-StéréochIM)
- UMR CNRS 6302
- 21078 Dijon Cedex
- France
| | - Jérôme Bayardon
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB-StéréochIM)
- UMR CNRS 6302
- 21078 Dijon Cedex
- France
| | - Sylvain Jugé
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB-StéréochIM)
- UMR CNRS 6302
- 21078 Dijon Cedex
- France
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42
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Cristóbal-Lecina E, Costantino AR, Grabulosa A, Riera A, Verdaguer X. Rhodium-Catalyzed Pauson–Khand Reaction Using a Small-Bite-Angle P-Stereogenic C1-Diphosphine Ligand. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00576] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Edgar Cristóbal-Lecina
- Institute for
Research in Biomedicine (IRB Barcelona), The Barcelona Institute of
Science and Technology, Baldiri Reixac
10, E-08028 Barcelona, Spain
| | - Andrea R. Costantino
- Institute for
Research in Biomedicine (IRB Barcelona), The Barcelona Institute of
Science and Technology, Baldiri Reixac
10, E-08028 Barcelona, Spain
- CONICET,
Argentina, Instituto de Química del Sur (INQUISUR), Departamento
de Química, Universidad Nacional del Sur, Avenida Alem
1253, 8000 Bahía
Blanca, Argentina
| | - Arnald Grabulosa
- Departament
de Química Inorgànica, Universitat de Barcelona, Martí
i Franquès 1-11, E-08028, Barcelona, Spain
| | - Antoni Riera
- Institute for
Research in Biomedicine (IRB Barcelona), The Barcelona Institute of
Science and Technology, Baldiri Reixac
10, E-08028 Barcelona, Spain
- Departament
de Química Orgànica, Universitat de Barcelona, c/Martí
i Franquès 1, E-08028, Barcelona, Spain
| | - Xavier Verdaguer
- Institute for
Research in Biomedicine (IRB Barcelona), The Barcelona Institute of
Science and Technology, Baldiri Reixac
10, E-08028 Barcelona, Spain
- Departament
de Química Orgànica, Universitat de Barcelona, c/Martí
i Franquès 1, E-08028, Barcelona, Spain
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43
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Orgué S, Flores-Gaspar A, Biosca M, Pàmies O, Diéguez M, Riera A, Verdaguer X. Stereospecific SN2@P reactions: novel access to bulky P-stereogenic ligands. Chem Commun (Camb) 2015; 51:17548-51. [DOI: 10.1039/c5cc07504a] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Hydrolysis of bulky aminophosphine boranes followed by nucleophilic substitution of the resulting phosphinous acid boranes provides a novel access to P*-ligands. Using this methodology, a P*,N ligand was synthesized and applied to the asymmetric Ir-catalyzed hydrogenation.
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Affiliation(s)
- Sílvia Orgué
- Institute for Research in Biomedicine (IRB Barcelona)
- The Barcelona Institute of Science and Technology
- Spain
| | - Areli Flores-Gaspar
- Institute for Research in Biomedicine (IRB Barcelona)
- The Barcelona Institute of Science and Technology
- Spain
| | - Maria Biosca
- Department Química Física i Inorgànica
- Universitat Rovira i Virgili
- 43007 Tarragona
- Spain
| | - Oscar Pàmies
- Department Química Física i Inorgànica
- Universitat Rovira i Virgili
- 43007 Tarragona
- Spain
| | - Montserrat Diéguez
- Department Química Física i Inorgànica
- Universitat Rovira i Virgili
- 43007 Tarragona
- Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona)
- The Barcelona Institute of Science and Technology
- Spain
- Department de Química Orgànica
- Universitat de Barcelona
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona)
- The Barcelona Institute of Science and Technology
- Spain
- Department de Química Orgànica
- Universitat de Barcelona
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44
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Flores-Gaspar A, Orgué S, Grabulosa A, Riera A, Verdaguer X. Borane as an efficient directing group. Stereoselective 1,2-addition of organometallic reagents to borane P-stereogenic N-phosphanylimines. Chem Commun (Camb) 2015; 51:1941-4. [DOI: 10.1039/c4cc09106j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The 1,2-addition of organolithium reagents to borane P-stereogenic N-phosphanylimines was found to be a highly selective solvent-dependent stereodivergent process.
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Affiliation(s)
| | - Sílvia Orgué
- Institute for Research in Biomedicine (IRB Barcelona)
- Spain
| | - Arnald Grabulosa
- Departament de Química Inorgànica
- Universitat de Barcelona
- E-08028 Barcelona
- Spain
| | - Antoni Riera
- Institute for Research in Biomedicine (IRB Barcelona)
- Spain
- Departament de Química Orgànica
- Universitat de Barcelona
- E-08028 Barcelona
| | - Xavier Verdaguer
- Institute for Research in Biomedicine (IRB Barcelona)
- Spain
- Departament de Química Orgànica
- Universitat de Barcelona
- E-08028 Barcelona
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45
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Kleman P, Vaquero M, Arribas I, Suárez A, Álvarez E, Pizzano A. Asymmetric hydrogenation reactions with Rh and Ru complexes bearing phosphine–phosphites with an oxymethylene backbone. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.tetasy.2014.04.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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46
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Imamoto T, Sugiya M, Oohara N, Tamura K. Synthesis of P-Chiral Phosphine Ligands and Their Applications in Asymmetric Catalysis. J SYN ORG CHEM JPN 2014. [DOI: 10.5059/yukigoseikyokaishi.72.1084] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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