π-facial diastereoselection in the cycloaddition of nitrile oxides to arylmethylenespiropyrroline derivatives

被引:3
|
作者
Risitano, F
Grassi, G
Foti, F
Rotondo, A
机构
[1] Univ Messina, Dipartimento Chim Organ & Biol, I-98166 Messina, Italy
[2] Univ Messina, Dipartimento Chim Inorgan Analit & Struttura Mol, I-98166 Messina, Italy
关键词
sterically congested molecules; regiospecificity; fused spirans;
D O I
10.1016/S0040-4020(01)00674-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Rigid and sterically congested spirocompounds 1, derived from arylmethyleneisoxazol-5-ones and in situ prepared pyridinium ylides, induced complete diastereofacial selection in site and regiospecific cycloaddition reactions with nitrile oxides. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:7391 / 7393
页数:3
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