Gold(I)-catalyzed stereoselective cyclization of ortho alkynyl benzaldehyde chromium complexes with nucleophiles

被引：19
|
作者：
Kotera, Asami [1 ]
Uenishi, Jun'ichi [1 ]
Uemura, Motokazu [1 ]
机构：
[1] Kyoto Pharmaceut Univ, Yamashina Ku, Kyoto 6078412, Japan
来源：
TETRAHEDRON LETTERS | 2010年 / 51卷 / 08期
关键词：
LEWIS-ACID; 4+2 BENZANNULATION; CARBONYL GROUPS; CYCLOISOMERIZATION; ACTIVATION; PLATINUM; OXYGEN; ENTRY; HYDROALKOXYLATION; 1H-ISOCHROMENES;
D O I：
10.1016/j.tetlet.2009.12.052
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Gold(I)-catalyzed cyclization of o-alkynyl benzaldehyde chromium complexes gave stereoselectively 1-anti- and syn-functionalized 1H-isochromene chromium complexes, respectively, depending on the nature of nucleophiles. Enantiomerically pure trans- and cis-1,3-dimethylisochromans were stereoselectively prepared from a single planar chiral o-(1-propynyl)benzaldehyde chromium complex. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1166 / 1169
页数：4
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