3-AMINO-4-ARYLAZOPYRAZOLES - CT COMPLEXATION AND A NOVEL SYNTHESIS OF PYRAZOLO[2,3-A]QUINAZOLINES

被引：18

作者：

IBRAHIM, YR

HASSAN, AA

MOHAMED, NK

MOURAD, AFE

机构：

[1] Chemistry Department, Faculty of Science, El-Minia University, Minia

来源：

ARCHIV DER PHARMAZIE | 1992年 / 325卷 / 07期

关键词：

D O I：

10.1002/ardp.19923250704

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

3,5-Diamino-4-arylazopyrazoles 1a-d form charge-transfer (CT) complexes with chloranil (CHL), fluoranil (TFQ) and react with 2,3-dicyano-5,6-dichlorobenzoquinone (DDQ) to yield pyrazolo[2,3-a]quinazoline derivatives 4. 5-Amino-3-phenyl-4-arylazopyrazole 2a-d form CT-complexes only with DDQ.

引用

页码：389 / 392

页数：4

共 18 条

[1]

[Anonymous], 1973, ORGANIKUM

[2]

BELLAMY LJ, 1958, IR SPECTRA COMPLEX M, P365

[3]

BENESI HA, 1949, J AM CHEM SOC, V71, P1703

[4]

Briegleb G., 1964, ANGEW CHEM-GER EDIT, V76, P326

[5] REACTIONS WITH BETA-CYANOETHYLHYDRAZINE .1. ROUTE FOR PREPARATION OF PYRAZOLO[1.5-A]PYRIMIDINES AND PYRROLO[1.2-B]PYRRAZOLES [J].

ELNAGDI, MH .

TETRAHEDRON, 1974, 30 (16) :2791-2796

[6] REACTIONS WITH ARYLHYDRAZONES OF SOME ALPHA-CYANOKETONES [J].

ELNAGDI, MH ;

ALLAH, SOA .

JOURNAL FUR PRAKTISCHE CHEMIE, 1973, 315 (06) :1009-1016

[7]

Foster R., 1969, ORGANIC CHARGE TRANS

[8] REACTION OF TETRACYANOETHYLENE WITH ARYLAZOAMINOPYRAZOLES VIA CHARGE-TRANSFER COMPLEXATION [J].

HASSAN, AA ;

IBRAHIM, YR ;

MOHAMED, NK ;

MOURAD, AFE .

JOURNAL FUR PRAKTISCHE CHEMIE, 1990, 332 (06) :1049-1053

[9]

HASSAN AA, 1991, LIEBIGS ANN CHEM, P71

[10]

JOB P, 1935, ANN CHIM, V6, P97

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