Asymmetric catalysis of (Hetero) diels-alder cycloadditions by a modified binaphthol-derived titanium complex

Yukihiro Motoyama, Masahiro Terada, Koichi Mikami

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

A chiral titanium complex 1a derived from 6,6'-dibromo-1,1'-bi-2-naphthol is found to give higher endo- and enantioselectivity along with higher catalytic activity than the parent binaphthol-derived titanium complex 1b in the (hetero) Diels-Alder reactions of 1-methoxydienes (2a and 2c) with methacrolein and glyoxylate but not with bromoacrolein.

Original languageEnglish
Pages (from-to)967-968
Number of pages2
JournalSynlett
Volume1995
Issue number9
DOIs
Publication statusPublished - 1995 Sep
Externally publishedYes

Keywords

  • (hetero) Diels-Alder reaction
  • Lewis acid
  • asymmetric catalysis
  • binaphthol
  • enantioselectivity
  • titanium complex

ASJC Scopus subject areas

  • Organic Chemistry

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