Synthetic communications

Direct Synthesis of N??Acylalkylenediamines from Carboxylic Acids Under Mild Conditions

BP Bandgar, SV Bettigeri

Index: Bandgar; Bettigeri Synthetic Communications, 2004 , vol. 34, # 16 p. 2917 - 2924

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Citation Number: 15

Abstract

Abstract Monoacylated piperazine derivatives were prepared directly from carboxylic acids and piperazine using triphenylphosphine (TPP) and N??bromosuccinimide (NBS) in dichloromethane. Inexpensive and readily available reagents, excellent yields, short