5-METHYLENE-2-CYCLOPENTENONES AS NEW FORMAL [2+2+1] CYCLOADDUCTS FROM [2-(DIBENZYLAMINO)ETHENYL]CARBENECHROMIUM COMPLEXES AND ALKYNES

被引：31

作者：

DUETSCH, M

VIDONI, S

STEIN, F

FUNKE, F

NOLTEMEYER, M

DEMEIJERE, A

机构：

[1] UNIV GOTTINGEN,INST ORGAN CHEM,D-37077 GOTTINGEN,GERMANY

[2] UNIV GOTTINGEN,INST ANORGAN CHEM,D-37077 GOTTINGEN,GERMANY

来源：

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1994年 / 14期

关键词：

D O I：

10.1039/c39940001679

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

2-Alkylsubstituted pentacarbonyl{[2-(dibenzylamino)ethenyl]ethoxycarbene}chromium complexes 3a,b react with diphenylethyne 4, but-2-yne 5, or cyclooctyne 6 to give 5-(dibenzylaminomethylene)-4-ethoxy-2-cyclopentenonones 8a,b, 9a, 10a, and 10b in good yields (59-78%).

引用

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页码：1679 / 1680

页数：2

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