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Synthesis of 2-Aryl-5-oxo-4-[2-(phenylmethylidene)hydrazino]-2,5-dihydro-1 H -pyrrole-3-carboxylates by the Reaction between Hydrazones, Acetylenedicarboxylates, and 1-Aryl- N , N′ -bis(arylmethylidene)methanediamines

✍ Scribed by Alizadeh, Abdolali; Saberi, Vahid; Mokhtari, Javad


Book ID
121317872
Publisher
John Wiley and Sons
Year
2013
Tongue
German
Weight
243 KB
Volume
96
Category
Article
ISSN
0018-019X

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## Abstract magnified image One‐pot reaction of 3‐aryl‐5‐methyl‐1,3,4‐oxadiazolin‐2‐ones **1a‐g** with ethanolamine yielded the 4‐(2‐hydroxyethyl)‐2‐aryl‐5‐methyl‐2,4‐dihydro‐3__H__‐1,2,4‐triazolin‐3‐ones **2a‐g** which were converted to the azido compounds **6a‐g**. These azides on 1,3‐dipolar cy