Synthetic Communications p. 2917 - 2924 (2004)
Update date:2022-08-17
Topics:
Bandgar
Bettigeri
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 reaction times and mild reaction conditions are important features of this method.
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