Formation of benzofuran and 2H-chromene structures in one reaction. A novel synthesis of 2H-chromene derivatives

被引：1

作者：

Ukhin, LY ^{[1
]}

Orlova, ZI ^{[1
]}

Shishkin, OV ^{[1
]}

Struchkov, YT ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI,AN NESMEYANOV ORGANOELEMENT CPDS INST,MOSCOW 117813,RUSSIA

来源：

RUSSIAN CHEMICAL BULLETIN | 1996年 / 45卷 / 05期

关键词：

nitrosalicylic aldehydes aminals; methyl propiolate; interaction; 2-methylcarbonylacetylene; 2-methoxycarbonylmethyl-3-morpholino-5-nitrobenzofuran; derivatives of the 2H-chromene; X-ray analysis;

D O I：

10.1007/BF01431612

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Heating the morpholinal of nitrosalicylic aldehyde with methyl propiolate in acetonitrile in the presence of CuI affords an equimolar mixture of 2-methoxycarbonylmethyl-3-morpholino-5-nitrobenzofuran and 3-methoxycarbonyl-2-morpholino-6-nitro-2H-chromene, the structures of which were determined by X-ray analysis. Only the 2H-chromene mentioned above was obtained in the absence of CuI and solvent.

引用

页码：1162 / 1168

页数：7

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