Asymmetric epoxidation of a geminally-disubstituted and some trisubstituted enones catalysed by poly-L-leucine

Authors
Bentley, PA Bickley, JF Roberts, SM Steiner, A
Citation
Pa. Bentley et al., Asymmetric epoxidation of a geminally-disubstituted and some trisubstituted enones catalysed by poly-L-leucine, TETRAHEDR L, 42(22), 2001, pp. 3741-3743
Citations number
15
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
42
Issue
22
Year of publication
2001
Pages
3741 - 3743
Database
ISI
SICI code
0040-4039(20010528)42:22<3741:AEOAGA>2.0.ZU;2-2
Abstract
Epoxidation of a range of enones derived from tetralone or related cyclic k etones, employing poly-L-leucine, urea-H2O2 and DBU in iso-propyl acetalte is reported. The corresponding epoxides were isolated in 63-85% yield and 5 9-96% ee. (C) 2001 Elsevier Science Ltd. All rights reserved.