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One-Pot Synthesis of N -Alkyl Sulfonyl Hydrazones by Dialkyl Acetylenedicarboxylate-Mediated Reaction of Trialkylphosphites with Sulfonyl Hydrazones

✍ Scribed by Hashemi, Seyed Abolghasem


Book ID
120994073
Publisher
Taylor and Francis Group
Year
2013
Tongue
English
Weight
224 KB
Volume
43
Category
Article
ISSN
0039-7911

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## Abstract The reactive 1 : 1 adducts in the reaction between Ph~3~P and dialkyl acetylenedicarboxylates have been trapped with ‘tosylmethyl isocyanide’ (TsMIC; **1**) to yield dialkyl 2‐[(4‐methylphenyl)sulfonyl]‐1__H__‐pyrrole‐3,4‐dicarboxylates **3** (__Scheme 1__). The structures of the highly