1
|
Enantioselective addition of Et 2 Zn to seven‐membered cyclic imines catalyzed by a ( R )-VAPOL-Zn(II) complex. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.07.042] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
2
|
Soeta T, Ishizaka T, Ukaji Y. Chiral NHC Ligands Bearing a Pyridine Moiety in Copper-Catalyzed 1,2-Addition of Dialkylzinc Reagents to β-Aryl-α,β-unsaturated N-Tosylaldimines. J Org Chem 2016; 81:2817-26. [DOI: 10.1021/acs.joc.6b00093] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Takahiro Soeta
- Division of Material Chemistry, Graduate School of Natural Science
and Technology, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
| | - Tomohiro Ishizaka
- Division of Material Chemistry, Graduate School of Natural Science
and Technology, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
| | - Yutaka Ukaji
- Division of Material Chemistry, Graduate School of Natural Science
and Technology, Kanazawa University, Kakuma, Kanazawa 920-1192, Japan
| |
Collapse
|
3
|
Affiliation(s)
- Ken-ichi Yamada
- Graduate School of Pharmaceutical Sciences; Kyoto University; Kyoto Japan
| | - Kiyoshi Tomioka
- Department of Medicinal Chemistry; Faculty of Pharmaceutical Sciences; Doshisha Women's College of Liberal Arts; Kyoto Japan
| |
Collapse
|
4
|
Soeta T, Ishizaka T, Tabatake Y, Ukaji Y. Chiral N-heterocyclic carbene ligands bearing a pyridine moiety for the copper-catalyzed alkylation of N-sulfonylimines with dialkylzinc reagents. Chemistry 2014; 20:16773-8. [PMID: 25335955 DOI: 10.1002/chem.201404241] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Indexed: 11/06/2022]
Abstract
Amino acid-derived chiral imidazolium salts, each bearing a pyridine ring, were developed as N-heterocyclic carbene ligands. The copper-catalyzed asymmetric alkylation of various N-sulfonylimines with dialkylzinc reagents in the presence of these chiral imidazolium salts afforded the corresponding alkylated products with high enantioselectivity (up to 99 % ee). The addition of HMPA to the reaction mixture as a co-solvent is critical in terms of chemical yield and enantioselectivity. A wide range of N-sulfonylimines and dialkylzinc reagents were found to be applicable to this reaction.
Collapse
Affiliation(s)
- Takahiro Soeta
- Division of Material Chemistry, Graduate School of Natural Science and Technology, Kanazawa University, Kakuma, Kanazawa, Ishikawa, 920-1192 (Japan), Fax: (+81) 76-264-5742.
| | | | | | | |
Collapse
|
5
|
Hensel A, Nagura K, Delvos LB, Oestreich M. Enantioselective addition of silicon nucleophiles to aldimines using a preformed NHC-Copper(I) complex as the catalyst. Angew Chem Int Ed Engl 2014; 53:4964-7. [PMID: 24700790 DOI: 10.1002/anie.201402086] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Indexed: 01/01/2023]
Abstract
A remaining major challenge in the asymmetric addition of silicon nucleophiles to typical prochiral acceptors, the enantioselective 1,2-addition to aldimines, is addressed. Activation of the SiB bond in the silicon pronucleophile by a copper(I) alkoxide with McQuade's chiral six-membered N-heterocyclic carbene as a supporting ligand releases the silicon nucleophile, which adds to various aldimines with high levels of enantioselectivity. The new method provides a catalytic asymmetric access to α-silylated amines.
Collapse
Affiliation(s)
- Alexander Hensel
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin (Germany) http://www.organometallics.tu-berlin.de
| | | | | | | |
Collapse
|
6
|
Hensel A, Nagura K, Delvos LB, Oestreich M. Enantioselektive Addition von Siliciumnukleophilen an Aldimine mit einem präformierten NHC-Kupfer(I)-Komplex als Katalysator. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201402086] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
7
|
Charette AB, Lindsay V. Stereoselective formation of amines by nucleophilic addition to azomethine derivatives. Top Curr Chem (Cham) 2014; 343:33-73. [PMID: 24233253 DOI: 10.1007/128_2013_492] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
This chapter describes state-of-the-art methods to prepare α-chiral amines by the addition of nonstabilized nucleophiles to imine derivatives. The first part of the chapter illustrates the most effective diastereoselective addition reaction (substrate controlled and chiral auxiliary based methods) whereas the second part focuses on catalytic asymmetric methods.
Collapse
|
8
|
Espinosa M, Blay G, Cardona L, Pedro JR. Asymmetric Conjugate Addition of Malonate Esters to α,β-UnsaturatedN-Sulfonyl Imines: An Expeditious Route to Chiral δ-Aminoesters and Piperidones. Chemistry 2013; 19:14861-6. [DOI: 10.1002/chem.201302687] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Indexed: 01/02/2023]
|
9
|
Highly Regioselective Addition of Organozinc Reagents to 2-Oxo-1,2-dihydropyrimidine-5-carboxylates Activated by BF3·OEt2: Synthesis of 2-Oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylates. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300539] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
10
|
Rossi B, Prosperini S, Pastori N, Clerici A, Punta C. New advances in titanium-mediated free radical reactions. Molecules 2012; 17:14700-32. [PMID: 23519248 PMCID: PMC6268425 DOI: 10.3390/molecules171214700] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Revised: 11/28/2012] [Accepted: 12/06/2012] [Indexed: 01/11/2023] Open
Abstract
Titanium complexes have been widely used as catalysts for C‑C bond-forming processes via free-radical routes. Herein we provide an overview of some of the most significant contributions in the field, that covers the last decade, emphasizing the key role played by titanium salts in the promotion of selective reactions aimed at the synthesis of multifunctional organic compounds, including nucleophilic radical additions to imines, pinacol and coupling reactions, ring opening of epoxides and living polymerization.
Collapse
Affiliation(s)
- Bianca Rossi
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, P.zza Leonardo da Vinci 32, 20133 Milano, Italy; E-Mails: (B.R.); (S.P.); (N.P.); (A.C.)
| | - Simona Prosperini
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, P.zza Leonardo da Vinci 32, 20133 Milano, Italy; E-Mails: (B.R.); (S.P.); (N.P.); (A.C.)
- INSTM (National Consortium for Materials Science and Technology) Local Unit, Politecnico di Milano, 20133 Milan, Italy
| | - Nadia Pastori
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, P.zza Leonardo da Vinci 32, 20133 Milano, Italy; E-Mails: (B.R.); (S.P.); (N.P.); (A.C.)
| | - Angelo Clerici
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, P.zza Leonardo da Vinci 32, 20133 Milano, Italy; E-Mails: (B.R.); (S.P.); (N.P.); (A.C.)
| | - Carlo Punta
- Department of Chemistry, Materials, and Chemical Engineering “Giulio Natta”, Politecnico di Milano, P.zza Leonardo da Vinci 32, 20133 Milano, Italy; E-Mails: (B.R.); (S.P.); (N.P.); (A.C.)
- INSTM (National Consortium for Materials Science and Technology) Local Unit, Politecnico di Milano, 20133 Milan, Italy
| |
Collapse
|
11
|
Nakamura T, Tateishi K, Tsukagoshi S, Hashimoto S, Watanabe S, Soloshonok VA, Aceña JL, Kitagawa O. Self-disproportionation of enantiomers of non-racemic chiral amine derivatives through achiral chromatography. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.03.054] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
12
|
Nishimura T, Ashouri A, Ebe Y, Maeda Y, Hayashi T. Rhodium/chiral diene-catalyzed asymmetric methylation of N-sulfonylarylimines with trimethylboroxine. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.tetasy.2012.04.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
13
|
Dahmen S, Bräse S. Paracyclophanes in Action: Asymmetric Catalytic Dialkylzinc Addition to Imines Using [2.2]Paracyclophane-based N,O-Ligands as Catalysts. Isr J Chem 2012. [DOI: 10.1002/ijch.201100078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
14
|
|
15
|
|
16
|
Kobayashi S, Mori Y, Fossey JS, Salter MM. Catalytic Enantioselective Formation of C−C Bonds by Addition to Imines and Hydrazones: A Ten-Year Update. Chem Rev 2011; 111:2626-704. [DOI: 10.1021/cr100204f] [Citation(s) in RCA: 761] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shu̅ Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yuichiro Mori
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - John S. Fossey
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Matthew M. Salter
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| |
Collapse
|
17
|
Zotto CD, Michaux J, Zarate-Ruiz A, Gayon E, Virieux D, Campagne JM, Terrasson V, Pieters G, Gaucher A, Prim D. FeCl3-catalyzed addition of nitrogen and 1,3-dicarbonyl nucleophiles to olefins. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2010.09.031] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
18
|
Bower JF, Krische MJ. Formation of C-C Bonds via Iridium-Catalyzed Hydrogenation and Transfer Hydrogenation. TOP ORGANOMETAL CHEM 2011; 34:107-138. [PMID: 21822399 PMCID: PMC3149833 DOI: 10.1007/978-3-642-15334-1_5] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The formation of C-C bonds via catalytic hydrogenation and transfer hydrogenation enables carbonyl and imine addition in the absence of stoichiometric organometallic reagents. In this review, iridium-catalyzed C-C bond-forming hydrogenations and transfer hydrogenations are surveyed. These processes encompass selective, atom-economic methods for the vinylation and allylation of carbonyl compounds and imines. Notably, under transfer hydrogenation conditions, alcohol dehydrogenation drives reductive generation of organoiridium nucleophiles, enabling carbonyl addition from the aldehyde or alcohol oxidation level. In the latter case, hydrogen exchange between alcohols and π-unsaturated reactants generates electrophile-nucleophile pairs en route to products of hydro-hydroxyalkylation, representing a direct method for the functionalization of carbinol C-H bonds.
Collapse
Affiliation(s)
- John F Bower
- Department of Chemistry and Biochemistry, University of Texas at Austin, 1 University Station - A5300, Austin, TX 78712-0165, USA and Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford 1 3TA, UK
| | | |
Collapse
|
19
|
Kumar A, Samuelson AG. Catalytic reactions of titanium alkoxides with Grignard reagents and imines: a mechanistic study. Chem Asian J 2010; 5:1830-7. [PMID: 20564277 DOI: 10.1002/asia.200900711] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The reactivity of Grignard reagents towards imines in the presence of catalytic and stoichiometric amounts of titanium alkoxides is reported. Alkylation, reduction, and coupling of imines take place. Whereas reductive coupling is the major reaction in stoichiometric reactions, alkylation is favored in catalytic reactions. Mechanistic studies clearly indicate that intermediates involved in the two reactions are different. Catalytic reactions involve a metal-alkyl complex. This has been confirmed by reactions of deuterium-labeled substrates and different alkylating agents. Under the stoichiometric conditions, however, titanium olefin complexes are formed through reductive elimination, probably through a multinuclear intermediate.
Collapse
Affiliation(s)
- Akshai Kumar
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | | |
Collapse
|
20
|
Reaction prospecting by 31P NMR: enantioselective rhodium-DuPhos catalysed addition of ZnMe2 to diphenylphosphinoylimines. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.tetasy.2009.09.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
21
|
Hasaninejad A, Zare A, Zare ARM, Parhami A, Sharghi H, Khalafi-Nezhad A. Preparation ofN-Arylsulfonyl Imines from Sulfonamides and Aryl Aldehydes Using Magnesium Oxide as a Heterogeneous and Reusable Catalyst Under Solvent-Free Conditions. PHOSPHORUS SULFUR 2008. [DOI: 10.1080/10426500802002802] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Alireza Hasaninejad
- a Department of Chemistry, Faculty of Sciences , Persian Gulf University , Bushehr , Iran
| | - Abdolkarim Zare
- b Department of Chemistry , Payame Nour University (PNU) , Iran
| | | | - Abolfath Parhami
- c Department of Chemistry , College of Sciences, Shiraz University , Shiraz , Iran
| | - Hashem Sharghi
- c Department of Chemistry , College of Sciences, Shiraz University , Shiraz , Iran
| | - Ali Khalafi-Nezhad
- c Department of Chemistry , College of Sciences, Shiraz University , Shiraz , Iran
| |
Collapse
|
22
|
Selim KB, Yamada KI, Tomioka K. Copper-catalyzed asymmetric allylic substitution with aryl and ethyl Grignard reagents. Chem Commun (Camb) 2008:5140-2. [PMID: 18956048 DOI: 10.1039/b809140d] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Phenyl- and ethyl-magnesium bromides undergo regioselective asymmetric allylic substitution with high enantioselectivity under the catalysis of chiral amidophosphane-copper(I) complexes.
Collapse
Affiliation(s)
- Khalid B Selim
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | | | | |
Collapse
|
23
|
Yamada KI, Tomioka K. Copper-catalyzed asymmetric alkylation of imines with dialkylzinc and related reactions. Chem Rev 2008; 108:2874-86. [PMID: 18652515 DOI: 10.1021/cr078370u] [Citation(s) in RCA: 245] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ken-ichi Yamada
- Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo, Kyoto 606-8501, Japan
| | | |
Collapse
|
24
|
Blay G, Cardona L, Climent E, Pedro J. Highly Enantioselective Zinc/Binol-Catalyzed Alkynylation of N
-Sulfonyl Aldimines. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200801020] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
25
|
Blay G, Cardona L, Climent E, Pedro J. Highly Enantioselective Zinc/Binol-Catalyzed Alkynylation of N
-Sulfonyl Aldimines. Angew Chem Int Ed Engl 2008; 47:5593-6. [DOI: 10.1002/anie.200801020] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
26
|
Fu P, Snapper ML, Hoveyda AH. Catalytic Asymmetric Alkylations of Ketoimines. Enantioselective Synthesis of N-Substituted Quaternary Carbon Stereogenic Centers by Zr-Catalyzed Additions of Dialkylzinc Reagents to Aryl-, Alkyl-, and Trifluoroalkyl-Substituted Ketoimines. J Am Chem Soc 2008; 130:5530-41. [DOI: 10.1021/ja8001343] [Citation(s) in RCA: 167] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Peng Fu
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467
| | - Marc L. Snapper
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467
| | - Amir H. Hoveyda
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, Massachusetts 02467
| |
Collapse
|
27
|
Pizzuti MG, Minnaard AJ, Feringa BL. Catalytic Enantioselective Addition of Organometallic Reagents to N-Formylimines Using Monodentate Phosphoramidite Ligands. J Org Chem 2008; 73:940-7. [DOI: 10.1021/jo702140f] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Maria Gabriella Pizzuti
- Department of Organic and Molecular Inorganic Chemistry, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747, AG Groningen, The Netherlands
| | - Adriaan J. Minnaard
- Department of Organic and Molecular Inorganic Chemistry, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747, AG Groningen, The Netherlands
| | - Ben L. Feringa
- Department of Organic and Molecular Inorganic Chemistry, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747, AG Groningen, The Netherlands
| |
Collapse
|
28
|
Md. AB, Suzuki Y, Sato M. N-Heterocyclic Carbene Ligands in Copper-Catalyzed Addition of Diethylzinc to N-Sulfonylimines. Chem Pharm Bull (Tokyo) 2008; 56:57-9. [DOI: 10.1248/cpb.56.57] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Abu Bakar Md.
- School of Pharmaceutical Sciences, University of Shizuoka
| | - Yumiko Suzuki
- School of Pharmaceutical Sciences, University of Shizuoka
| | - Masayuki Sato
- School of Pharmaceutical Sciences, University of Shizuoka
| |
Collapse
|
29
|
Esquivias J, Gómez Arrayás R, Carretero J. Alkylation of ArylN-(2-Pyridylsulfonyl)aldimines with Organozinc Halides: Conciliation of Reactivity and Chemoselectivity. Angew Chem Int Ed Engl 2007; 46:9257-60. [DOI: 10.1002/anie.200703239] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
30
|
Esquivias J, Gómez Arrayás R, Carretero J. Alkylation of ArylN-(2-Pyridylsulfonyl)aldimines with Organozinc Halides: Conciliation of Reactivity and Chemoselectivity. Angew Chem Int Ed Engl 2007. [DOI: 10.1002/ange.200703239] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
31
|
Yan G, Wu Y, Lin W, Zhang X. Synthesis of novel chiral oxazoline ligands and application in the highly enantioselective diethylzinc addition to N-diphenylphosphinoylimines. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.tetasy.2007.10.035] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
32
|
|
33
|
Soeta T, Selim K, Kuriyama M, Tomioka K. Kinetic resolution of 5-substituted cycloalkenones by peptidic amidophosphane-copper-catalyzed asymmetric conjugate addition of dialkylzinc. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.03.032] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
34
|
Efficient dual catalytic enantioselective diethylzinc addition to the exocyclic CN double bond of some 1,2,4-N-triazinylarylimines using polymer-supported chiral β-amino alcohols derived from norephedrine. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.04.041] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
35
|
Soeta T, Selim K, Kuriyama M, Tomioka K. Peptidic Amidomonophosphane Ligand for Copper-Catalyzed Asymmetric Conjugate Addition of Diorganozincs to Cycloalkenones. Adv Synth Catal 2007. [DOI: 10.1002/adsc.200600562] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
36
|
|
37
|
Kumar MA, Babu MS, Srinivasulu K, Kiran Y, Reddy CS. Polyethylene glycol in water: A simple and environment friendly media for Strecker reaction. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.molcata.2006.10.030] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
38
|
Hasaninejad A, Sharghi H. A Convenient and Efficient Method for the Preparation of N-Sulfonyl Aldimines from Aromatic Aldehydes under Solvent-Free Conditions. PHOSPHORUS SULFUR 2007. [DOI: 10.1080/10426500601087400] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - Hashem Sharghi
- b Department of Chemistry , Shiraz University , Shiraz , I. R. Iran
| |
Collapse
|
39
|
Wakchaure VN, Mohanty RR, Shaikh AJ, Nugent TC. A One-Pot Asymmetric Sequential Amination-Alkylation of Aldehydes: Expedient Synthesis of Aliphatic Chiral Amines. European J Org Chem 2007. [DOI: 10.1002/ejoc.200600781] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
40
|
Almansa R, Guijarro D, Yus M. Nickel-catalysed addition of dialkylzinc reagents to N-phosphinoyl- and N-sulfonylimines. Tetrahedron 2007. [DOI: 10.1016/j.tet.2006.11.056] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
41
|
Bräse S, Baumann T, Dahmen S, Vogt H. Enantioselective catalytic syntheses of α-branched chiral amines. Chem Commun (Camb) 2007:1881-90. [PMID: 17695218 DOI: 10.1039/b611619a] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Stefan Bräse
- Institut für Organische Chemie, Universität Karlsruhe (TH), Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany.
| | | | | | | |
Collapse
|
42
|
Wang MC, Xu CL, Cheng F, Ding X. Chiral ferrocenyl amidophosphine ligand for highly enantioselective addition of diethylzinc to N-diphenylphosphinoylimines. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.10.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
43
|
Gómez Arrayás R, Adrio J, Carretero JC. Chirale Ferrocenliganden in der asymmetrischen Katalyse. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200602482] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
44
|
Gómez Arrayás R, Adrio J, Carretero JC. Recent Applications of Chiral Ferrocene Ligands in Asymmetric Catalysis. Angew Chem Int Ed Engl 2006; 45:7674-715. [PMID: 17115468 DOI: 10.1002/anie.200602482] [Citation(s) in RCA: 614] [Impact Index Per Article: 34.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Despite the impressive progress achieved in asymmetric catalysis during the last decade, an increasing number of new catalysts, ligands, and applications are reported every year to satisfy the need to embrace a wider range of reactions and to improve the efficiency of existing processes. Because of their availability, unique stereochemical aspects, and wide variety of coordination modes and possibilities for the fine-tuning of the steric and electronic properties, ferrocene-based ligands constitute one of the most versatile ligand architectures in the current scenario of asymmetric catalysis. Over the last few years ferrocene catalysts have been successfully applied in an amazing variety of enantioselective processes. This Review documents these recent advances, with special emphasis on the most innovative asymmetric processes and the development of novel, efficient types of ferrocene ligands.
Collapse
Affiliation(s)
- Ramón Gómez Arrayás
- Departamento de Química Orgánica, Universidad Autónoma de Madrid, Facultad de Ciencias, Cantoblanco, 28049 Madrid, Spain
| | | | | |
Collapse
|
45
|
Yang Q, Shang G, Gao W, Deng J, Zhang X. A Highly Enantioselective, Pd–TangPhos-Catalyzed Hydrogenation ofN-Tosylimines. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200600263] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
46
|
Yang Q, Shang G, Gao W, Deng J, Zhang X. A Highly Enantioselective, Pd–TangPhos-Catalyzed Hydrogenation ofN-Tosylimines. Angew Chem Int Ed Engl 2006; 45:3832-5. [PMID: 16671119 DOI: 10.1002/anie.200600263] [Citation(s) in RCA: 162] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Qin Yang
- Department of Chemistry, Pennsylvania State University, 104 Chemistry Building, University Park, PA 16802, USA.
| | | | | | | | | |
Collapse
|
47
|
Le Fur N, Mojovic L, Plé N, Turck A, Reboul V, Metzner P. ortho-Metalation of Enantiopure Aromatic Sulfoxides and Stereocontrolled Addition to Imines. J Org Chem 2006; 71:2609-16. [PMID: 16555811 DOI: 10.1021/jo052358p] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enantiopure aromatic (phenyl, naphthyl) and heteroaromatic (pyridyl, quinolyl, diazinyl) sulfoxides have been synthesized by reaction of (S)-tert-butyl tert-butanethiosulfinate with aryl- or heteroaryllithium derivatives. The ortho-directed metalation of the sulfoxides was performed with lithium bases. Subsequent addition of the lithiated intermediates to N-tosylimines afforded tosylaminoalkyl tert-butylsulfinyl arenes. In most cases a complete asymmetric induction was highlighted in favor of (S,S) isomers. Heating the aminosulfoxides provided an original cyclization to form novel cyclic sulfenamides. A novel enantiopure synthesis of a benzylamine was described. An application of an enantiopure aminosulfoxide as N,S ligand for the asymmetric catalysis of allylic nucleophilic substitution has been successfully tested.
Collapse
Affiliation(s)
- Nicolas Le Fur
- Laboratoire de Chimie Organique Fine et Hétérocyclique, UMR CNRS 6014, IRCOF, INSA, B.P. 08, 76131 Mont Saint Aignan, France
| | | | | | | | | | | |
Collapse
|
48
|
Côté A, Boezio AA, Charette AB. Evidence for the structure of the enantioactive ligand in the phosphine-copper-catalyzed addition of diorganozinc reagents to imines. Angew Chem Int Ed Engl 2006; 43:6525-8. [PMID: 15538706 DOI: 10.1002/anie.200461920] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Alexandre Côté
- Département de Chimie, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, Québec, Canada.
| | | | | |
Collapse
|
49
|
|
50
|
Sugimoto H, Nakamura S, Hattori M, Ozeki S, Shibata N, Toru T. Enantioselective nucleophilic addition to N-(2-pyridylsulfonyl)imines by use of dynamically induced chirality. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2005.10.085] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|