## Abstract magnified image __E__‐3‐(__N,N__‐Dimethylamino)‐1‐(3‐methylthiazolo[3,2‐__a__]benzimidazol‐2‐yl)prop‐2‐en‐1‐one (**2**) was synthesized by the reaction of 1‐(3‐methylthiazolo[3,2‐__a__]benzimidazol‐2‐yl)ethanone (**1**) with dimethylformamide‐dimethylacetal. The reaction of **2** with
Facile synthesis of novel carbothioylbis[1,2,4]triazolo [4,3- a ]pyrimidine and carbothioylbispyrimido[2,1- c ] [1,2,4]triazine derivatives
✍ Scribed by El-Mahdy, Kamelia M.
- Book ID
- 120787889
- Publisher
- Taylor and Francis Group
- Year
- 2013
- Tongue
- English
- Weight
- 220 KB
- Volume
- 34
- Category
- Article
- ISSN
- 1741-5993
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## Abstract The 7‐chloro‐3‐(2‐chlorobenzyl)‐ and 7‐chloro‐3‐(2‐fluorobenzyl)‐1,2,3‐triazolo[4,5‐__d__]pyrimidines (**1** and **4**), by nucleophilic replacement with some hydrazides, gave the corresponding 7‐hydrazidoderivatives (**2a‐e** and **5a‐e**). These, by heating in Dowtherm, underwent an i