Proline-catalyzed asymmetric α-amination of aldehydes and ketones -: An astonishingly simple access to optically active α-hydrazino carbonyl compounds

被引:296
作者
Duthaler, RO [1 ]
机构
[1] Novartis Inst Biomed Res, CH-4002 Basel, Switzerland
关键词
amination; azodicarboxylates; catalysis; enantioselectivity; proline;
D O I
10.1002/anie.200390283
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Simple, direct, and highly enantioselective α-amination of carbonyl compounds 1 with azodicarboxylates 2 no longer requires prior enolization of the substrate. The magic" small-organic-molecule catalyst for this reaction in dichloromethane at room temperature is once again L-proline (3)."
引用
收藏
页码:975 / 978
页数:4
相关论文
共 39 条
[1]  
Agami C., 1988, B SOC CHIM FR MAY, V3, P499
[2]  
Alcaide B, 2002, EUR J ORG CHEM, V2002, P1595
[3]   Transition states of amine-catalyzed aldol reactions involving enamine intermediates: Theoretical studies of mechanism, reactivity, and stereoselectivity [J].
Bahmanyar, S ;
Houk, KN .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (45) :11273-11283
[4]   Catalytic direct asymmetric Michael reactions: Taming naked aldehyde donors [J].
Betancort, JM ;
Barbas, CF .
ORGANIC LETTERS, 2001, 3 (23) :3737-3740
[5]   Catalytic enantioselective direct Michael additions of ketones to alkylidene malonates [J].
Betancort, JM ;
Sakthivel, K ;
Thayumanavan, R ;
Barbas, CF .
TETRAHEDRON LETTERS, 2001, 42 (27) :4441-4444
[6]   Direct catalytic asymmetric aldol reactions of aldehydes [J].
Bogevig, A ;
Kumaragurubaran, N ;
Jorgensen, KA .
CHEMICAL COMMUNICATIONS, 2002, (06) :620-621
[7]  
Bogevig A, 2002, ANGEW CHEM INT EDIT, V41, P1790, DOI 10.1002/1521-3773(20020517)41:10<1790::AID-ANIE1790>3.0.CO
[8]  
2-Y
[9]  
Bogevig A., 2002, ANGEW CHEM, V114, P1868
[10]   A proline-catalyzed asymmetric Robinson annulation reaction [J].
Bui, T ;
Barbas, CF .
TETRAHEDRON LETTERS, 2000, 41 (36) :6951-6954