Highly diastereoselective photochromic cyclization of an indolylfulgide derivative possessing C-2-symmetric chiral diol as an auxiliary

Citation
Y. Yokoyama et al., Highly diastereoselective photochromic cyclization of an indolylfulgide derivative possessing C-2-symmetric chiral diol as an auxiliary, CHEM LETT, (11), 2001, pp. 1112-1113
Citations number
13
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Chemistry
Journal title
CHEMISTRY LETTERS
ISSN journal
0366-7022 → ACNP
Issue
11
Year of publication
2001
Pages
1112 - 1113
Database
ISI
SICI code
0366-7022(20011105):11<1112:HDPCOA>2.0.ZU;2-F
Abstract
An indolylfulgide derivative possessing an orthoester-type functional group on the acid anhydride moiety with a C-2-symmetric (S,S)-1,2-bis(1-hydroxyp ropyl)benzene was prepared. Irradiation of 313-nin light produced the color ed form in 90% diastereomer excess. The [alpha](D) values for the colorless and the colored forms in toluene were +82 degrees and -420 degrees, respec tively.