POLYCYCLIC HYDROXYQUINONES .27. TAUTOMERISM IN 1,4-DIHYDROXY-9,10-ANTHRAQUINONE MONOIMINES - CYCLOADDITION REACTIONS OF THEIR 1,4-ANTHRAQUINONOID TAUTOMERS

被引：12

作者：

FARINA, F ^{[1
]}

MOLINA, MT ^{[1
]}

NOHEDA, P ^{[1
]}

PAREDES, MC ^{[1
]}

机构：

[1] CSIC,INST QUIM ORGAN GEN,JUAN CIERVA 3,E-28006 MADRID,SPAIN

来源：

TETRAHEDRON | 1992年 / 48卷 / 39期

关键词：

D O I：

10.1016/S0040-4020(01)86592-3

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

1,4-Dihydroxy-9,10-anthraquinone monoimine and differently substituted derivatives thereof (6a-i) have been prepared by ammonolysis of the corresponding 1,4-dihydroxy-9-10-anthraquinones. H-1- and C-13-n.m.r. studies show the existence of a rapid tautomeric equilibrium in quinone imines of type 6. Diels-Alder reaction with the 1,4-anthraquinonoid tautomer of quinone monoimines 6a,e affords ABCD tetracyclic systems related to those existing in anthracyclinones.

引用

页码：8437 / 8450

页数：14

共 13 条

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