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Title: Synthesis of 3-(1-aryl-2-mercaptoimidazolyl)-2H-1-benzopyran-2-one derivatives
Authors: Kumar, V Ravi
Rao, V Rajeswar
Issue Date: Feb-2002
Publisher: NISCAIR-CSIR, India
Abstract: Reaction of 3-(2-bromoacetyl) coumarins with various substituted aromatic primary amines resulted in the formation of 3-(2-anilino acetyl) coumarins 1 which on subsequent reaction with potassium thiocyanate furnishes corresponding 3-(1-aryl-2-mercapto-imidazolyl)-2H-1-benzopyran-2-ones 2. The latter on treatment with alkyl halides/phenacyl halides/acyl halides in the presence of anhydrous ethanol and DMF gave the corresponding thioethers and thioesters 3.
Page(s): 415-418
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.41B(02) [February 2002]

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