Intramolecular photocycloaddition of 1,3-dienes with 2-pyridones

被引：4

作者：

Sieburth, SM ^{[1
]}

Zhang, FN ^{[1
]}

机构：

[1] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA

来源：

TETRAHEDRON LETTERS | 1999年 / 40卷 / 18期

基金：

美国国家卫生研究院;

关键词：

dienes; cycloadditions; pyridones; rearrangements;

D O I：

10.1016/S0040-4039(99)00515-8

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Intramolecular photocycloaddition of a 2-pyridone and an acyclic 1,3-diene leads to formation of an apparent [2 + 2] product. This is presumably formed by an initial [4 + 4] cycloaddition followed by Cope rearrangement of the highly strained product. The isolated 1,2-divinylcyclobutane undergoes a Cope rearrangement at 120 degrees C to give a polycyclic cyclooctadiene. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：3527 / 3530

页数：4

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