Tetrahedron Letters, volume 35, issue 35, pages 6427-6430
A mechanistically designed mono-cinchona alkaloid is an excellent catalyst for the enantioselective dihydroxylation of olefins
E J Corey
1
,
Mark C. Noe
1
,
Michael J Grogan
1
Publication type: Journal Article
Publication date: 1994-08-01
Journal:
Tetrahedron Letters
scimago Q3
wos Q3
SJR: 0.323
CiteScore: 3.5
Impact factor: 1.5
ISSN: 00404039, 18733581
Organic Chemistry
Drug Discovery
Biochemistry
Abstract
On the basis of ideas recently advanced regarding the origin of enantioselectivity in the OsO 4 -promoted dihydroxylation of olefins catalyzed by bis-cinchona alkaloid derivatives such as 1 , specifically strong evidence for reaction via transition state assembly 2 , the mono-quinidine derivative 3 was selected as a promising catalytic ligand. The experimental observation of high enantioselectivity promoted by 3 provides additional evidence in favor of transition-state 2 . Graphic
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