The reaction of the transient furoisoxazole 4 with dimethyl acetylenedicarboxylate results in the formation of oxepine 9k. The boat-shaped structure of 9k has been confirmed by X-ray crystallography. The experimental findings are in accord with quantum chemical calculations (AM1, PM3).
引用
收藏
页码:1161 / 1164
页数:4
相关论文
共 11 条
[1]
ASSMANN L, 1989, HETEROCYCLES, V29, P103
[2]
Boyd D. R., 1984, COMPREHENSIVE HETERO, V7, P547