α-cyanoenamines in the Paterno-Buchi-reaction

被引：0

作者：

van Wolven, C ^{[1
]}

Döpp, D ^{[1
]}

Fischer, MA ^{[1
]}

机构：

[1] Univ Duisburg Gesamthsch, D-47048 Duisburg, Germany

来源：

JOURNAL OF INFORMATION RECORDING | 2000年 / 25卷 / 1-2期

关键词：

benzil; methyl phenylglyoxylate; Paterno-Buchi-reaction; regioselectivity; stereoselectivity;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Irradiation of benzil (1) in presence of (S)-2-(2-methoxymethylpiperidinyl)propenenitrile (2e) gives rise to two instable oxetanes. Low quantities of 3-benzoyl-2-(2-methoxymethylpiperidinyl)propenenitrile (4) can be isolated instead. [2+2] Photocycloaddition of methyl phenylglyoxylate (5) with 2-morpholinopropenenitrile (2b) yields to the corresponding rel-(2R,3R)-head-to-head oxetane, the configuration of which was corroborated by NOE-intensity difference studies.

引用

页码：209 / 214

页数：6

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