BENZOPYRANS .31. REACTION OF 1,1-DIACETYL-2-(6-METHYL-4-OXO-4H-I-BENZOPYRAN-3-YL)ETHYLENE WITH PHENYLDIAZOMETHANE

被引：8

作者：

GHOSH, CK

SAHANA, S

机构：

[1] Department of Biochemistry, Calcutta University, Calcutta

来源：

TETRAHEDRON | 1993年 / 49卷 / 19期

关键词：

D O I：

10.1016/S0040-4020(01)89925-7

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Phenyldiazomethane yields with the title alkene 1 a mixture of the trans-cyclopropane 6. benzopyran 8, pyrazole 9, and cis-dihydrofuran 12. The cyclopropane 6 thermally rearranges to a trans-dihydrofuran tentatively assigned the structure 4.

引用

页码：4135 / 4140

页数：6

共 16 条

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