A novel synthetic method of bicyclic pyrans via the palladium-catalyzed tandem cyclization/ring expansion between enynals and dimethyl acetylenedicarboxylate

被引：14

作者：

Sato, K ^{[1
]}

Yudha, S ^{[1
]}

Asao, N ^{[1
]}

Yamamoto, Y ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Sci, Dept Chem, Sendai, Miyagi 9808578, Japan

来源：

SYNTHESIS-STUTTGART | 2004年 / 09期

关键词：

bicyclic pyran; tandem reaction; cyclization; ring expansion; palladium catalyst;

D O I：

10.1055/s-2004-822361

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The reaction of enynals 1 with dimethyl acetylenedicarboxylate 2 in the presence of Pd(OAc)(2) and COD (cyclooctadiene) gives the bicyclic pyrans 3 in good yields.

引用

页码：1409 / 1412

页数：4

共 5 条

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