Highly enantioselective alkynylzinc addition to aromatic aldehydes catalyzed by self-assembled titanium catalysts

被引:169
作者
Li, XS
Lu, G
Kwok, WH
Chan, ASC [1 ]
机构
[1] Hong Kong Polytech Univ, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Hong Kong, Hong Kong, Peoples R China
关键词
D O I
10.1021/ja025541y
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A highly enantioselective catalyst generated by a combination of BINOL and another ligand with Ti(OiPr)4 was found to be highly effective for the alkynylzinc addition to aromatic aldehydes with enantioselectivities as high as >99%. Copyright © 2002 American Chemical Society.
引用
收藏
页码:12636 / 12637
页数:2
相关论文
共 28 条
[1]   A simple, mild, catalytic, enantioselective addition of terminal acetylenes to aldehydes [J].
Anand, NK ;
Carreira, EM .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (39) :9687-9688
[2]   Highly enantioenriched propargylic alcohols by oxazaborolidine-mediated reduction of acetylenic ketones [J].
Bach, J ;
Berenguer, R ;
Garcia, J ;
Loscertales, T ;
Vilarrasa, J .
JOURNAL OF ORGANIC CHEMISTRY, 1996, 61 (25) :9021-9025
[3]   Enantioselective addition of 2-methyl-3-butyn-2-ol to aldehydes:: Preparation of 3-hydroxy-1-butynes [J].
Boyall, D ;
López, F ;
Sasaki, H ;
Frantz, D ;
Carreira, EM .
ORGANIC LETTERS, 2000, 2 (26) :4233-4236
[4]  
CHAN AS, 1997, J AM CHEM SOC, V119, P4980
[5]   An efficient catalytic stereoselective route to a key intermediate for the synthesis of the long-lived PGI(2) analog ZK 96480 (Cicaprost(TM)) [J].
Corey, EJ ;
Helal, CJ .
TETRAHEDRON LETTERS, 1997, 38 (43) :7511-7514
[6]   NOVEL ELECTRONIC EFFECTS OF REMOTE SUBSTITUENTS ON THE OXAZABOROLIDINE-CATALYZED ENANTIOSELECTIVE REDUCTION OF KETONES [J].
COREY, EJ ;
HELAL, CJ .
TETRAHEDRON LETTERS, 1995, 36 (50) :9153-9156
[7]   Facile enantioselective synthesis of propargylic alcohols by direct addition of terminal alkynes to aldehydes [J].
Frantz, DE ;
Fässler, R ;
Carreira, EM .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2000, 122 (08) :1806-1807
[8]   The discovery of novel reactivity in the development of C-C bond-forming reactions:: In situ generation of zinc acetylides with ZnII/R3N [J].
Frantz, DE ;
Fässler, R ;
Tomooka, CS ;
Carreira, EM .
ACCOUNTS OF CHEMICAL RESEARCH, 2000, 33 (06) :373-381
[9]  
HELAL CJ, 1996, J AM CHEM SOC, V118, P19038
[10]   EFFICIENT LIGANDS, CHIRAL 2-[2,2-DIMETHYL-1-(2-PYRIDYL)PROPOXY]-1,1-DIARYLETHANOLS FOR HIGHLY ENANTIOSELECTIVE ADDITION OF ALKYNYLZINC REAGENTS TO VARIOUS ALDEHYDES [J].
ISHIZAKI, M ;
HOSHINO, O .
TETRAHEDRON-ASYMMETRY, 1994, 5 (10) :1901-1904