1,3,4-thiadiazole, 1,3,4-thiadiazine, 1,3,6-thiadiazepane and quinoxaline derivatives from symmetrical hydrazine-1,2-dicarbothioamide as well as N,N"-ethane-1,2-diylbis(thiourea) derivatives

被引：13

作者：

Hassan, AA ^{[1
]}

Mourad, AFE ^{[1
]}

El-Shaieb, KM ^{[1
]}

Abou-Zied, AH ^{[1
]}

机构：

[1] Menia Univ, Fac Sci, Dept Chem, El Minia, AR, Egypt

来源：

JOURNAL OF HETEROCYCLIC CHEMISTRY | 2006年 / 43卷 / 02期

关键词：

D O I：

10.1002/jhet.5570430232

中图分类号：

O62 [有机化学];

学科分类号：

070303 [有机化学]; 081704 [应用化学];

摘要：

Reactions of N,N'-disubstituted hydrazine-1,2-carbothioamides 8a-c and substituted N,N"-ethane-1,2diylbis(thioureas) 9a-c with 2,3,5,6-tetrachloro-1,4-benzoquinone (chloranil, 10a) and 2,3,5,6-tetrabromo1,4-benzoquinone (bromanil, 10b) to form N,N'-disubstituted 1,3,4-thiadiazole-2,5-diamines 11a-c, substituted 3-amino-6,7-dichloro-2,3-dihydro-1H-4,2,1-benzothiadiazine-5,8-diones 12a-c, 2,3,7,8-tetrahalothianthrene-1,4,6,9-tetrones 13a,b, substituted 5,6,8-trihalo-7-oxo-3,7-dihydroquinoxaline-2H-carbothioamides 14a-c, 15a-c and 7-substituted imino-1,3,6-thiadiazepane-2-thiones 16a-c are reported.

引用

页码：471 / 475

页数：5

共 38 条

[1]

CYCLIZATION OF 1-SUBSTITUTED-3-THIOSEMICARBAZIDES TO TRIAZOLE DERIVATIVES UNDER ALKALINE CONDITIONS [J].