Reactions with hydrazonoyl halides XXX: Synthesis of some 2,3-dihydro-1,3,4-thiadiazoles and unsymmetrical azines containing benzothiazole moiety

被引：23

作者：

Abdelhamid, AO ^{[1
]}

Rateb, NM ^{[1
]}

Dawood, KM ^{[1
]}

机构：

[1] Cairo Univ, Fac Sci, Dept Chem, Giza 12613, Egypt

来源：

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 2000年 / 167卷

关键词：

D O I：

10.1080/10426500008082403

中图分类号：

O61 [无机化学];

学科分类号：

070301 [无机化学]; 081704 [应用化学];

摘要：

C-Benzothiazoloyl-N-arylhydrazonoyl bromides 1a,b have been caused to react with each of methyl 2-thiazolylcyanomethinecarbodithioate (2), alkyl carbodithioates 8-10. and methyl thiocarbamates 14a-c in the presence of triethylamine to give 2,3-dihydro-1,3,3-thiadiazoles in good yields. In contrast, hydrazonoyl bromides react with each of phenylthiourea (19a). phenylthiosemicarbazide (19b) and benzoylthiosemicarbazide (19c) afforded 5-arylazothiazole zole 22-24a derivatives, respectively. Structures of the new compounds were elucidated on the basis of elemental analyses, spectral data, and alternative methods of synthesis whenever possible.

引用

页码：251 / 258

页数：8

共 21 条

[1]

Reactions with hydrazonoyl halides. Part XXV. Synthesis of some new 2,3-dihydro-1,3,4-thiadiazoles and 5-arylazothiazoles [J].