A simple and efficient approach to the synthesis of highly functionalized fused benzochromenes

被引：58

作者：

Yavari, I ^{[1
]}

Anary-Abbasinejad, M ^{[1
]}

Alizadeh, A ^{[1
]}

Hossaini, Z ^{[1
]}

机构：

[1] Tarbiat Modares Univ, Dept Chem, Tehran, Iran

来源：

TETRAHEDRON | 2003年 / 59卷 / 08期

关键词：

benzochromene; isocyanide; acetylenic compounds; addition reaction;

D O I：

10.1016/S0040-4020(03)00030-9

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Protonation of the reactive intermediates produced in the reaction between tert-butyl isocyanide and dimethyl acetylenedicarboxylate or dibenzoylacetylene, by 1-naphthol, 2-naphthol, 2,3-dihydroxynaphthalene, 2,7-dihydroxynaphthalene or 4-methyl-8-hydroxycoumarin leads to vinylnitrilium cations, which undergo carbon-centered Michael type addition with the conjugate base of the naphthols to produce highly functionalized benzochromenes. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：1289 / 1292

页数：4

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