Novel heterocyclization of N-substituted thiosemicarbazides

被引：3
|
作者：
Mohamed, NK [1 ]
机构：
[1] Menia Univ, Fac Sci, Dept Chem, El Minia 61519, Egypt
来源：
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1998年 / 133卷
关键词：
thiosemicarbazides; biological activity; tautomerism; NMR spectra;
D O I：
10.1080/10426509808032461
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
N-Phenyl- and N-benzyl thiosemicarbazide 1a,b reacted with tetracyanoethylene (TCNE) viacharge-transfer (CT) complex formation giving thiadiazepine and thiadiazole derivatives (6. 7 and 16). On mixing la,b with 2.3 -dichloro-5,6-dicyano-1,4 -benzoquinone (DDQ), oxathiadiazoles and dithiadiazole derivatives (20 and 24) were formed. The mechanism of the formation of these products has been elucidated.
引用
收藏
页码：141 / 150
页数：10
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