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Heterocyclization of thiocarbonohydrazides:Facile synthesis of 5-unsubstituted-1,3,4-thiadiazoles
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作者 Alaa A.Hassan Fathy F.Abdel-Latif +3 位作者 Mohamed Abdel Aziz Sara M.Mostafa Stefan Brse martin nieger 《Chinese Chemical Letters》 SCIE CAS CSCD 2015年第9期1183-1186,共4页
2-(Hydrazinecarbothioyl)-N-substituted hydrazinecarbothioamides react with 2,3,5,6-tetrachloro-1,4-benzoquinone in high yields in a novel fast and facile method to give 5-unsubstituted-1,3,4-thiadiazole-2-amine deri... 2-(Hydrazinecarbothioyl)-N-substituted hydrazinecarbothioamides react with 2,3,5,6-tetrachloro-1,4-benzoquinone in high yields in a novel fast and facile method to give 5-unsubstituted-1,3,4-thiadiazole-2-amine derivatives.The synthesized compounds were characterized by spectroscopic methods and confirmed by using X-ray crystallography.A rationale for the formation of the products is presented. 展开更多
关键词 Thiocarbonohydrazides 5-Unsubstituted 1 3 4-thiadiazol-2-amines Tetrachloro-1 4-benzoquinone X-ray crystallography
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Facile Synthesis of Naphtho[2,3-dJthiazoles, Naphtho[2,3-e]-[1,3,4]thiadiazines and Bis(naphtho[2,3-d]thiazolyl)copper(ll) Derivatives from Heteroylthiosemicarbazides
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作者 Alaa A. Hassan Nasr K. Mohamed +2 位作者 Lamiaa E. Abd EI-Haleem Stefan Brase martin nieger 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2016年第8期814-822,共9页
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