Highly efficient and enantioselective cyclopropanation of styrene with diazoacetates using a new copper-(Schiff-base) catalyst

Authors
Li, ZN Zheng, Z Chen, HL
Citation
Zn. Li et al., Highly efficient and enantioselective cyclopropanation of styrene with diazoacetates using a new copper-(Schiff-base) catalyst, TETRAHEDR-A, 11(5), 2000, pp. 1157-1163
Citations number
33
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON-ASYMMETRY
ISSN journal
09574166 → ACNP
Volume
11
Issue
5
Year of publication
2000
Pages
1157 - 1163
Database
ISI
SICI code
0957-4166(20000324)11:5<1157:HEAECO>2.0.ZU;2-1
Abstract
A new copper-(Schiff-base) complex, derived from (S)-2-amino-1,1-di(3,5-di- t-butylphenyl)propanol, 2-hydroxy-5-nitrobenzaldehyde and copper acetate mo nohydrate, was used as an efficient catalyst for the cyclopropanation of st yrene with diazoacetates, affording ees of up to 98%. (C) 2000 Elsevier Sci ence Ltd. All rights reserved.