Reaction of 4,4-Diethyl-3,5-pyrazolidinedione with Carboxylic Acid Anhydrides. N-Acylation vs O-Acylation
The acylation of 4,4-diethyl-3,5-pyrazolidinedione with carboxylic acid anhydrides was investigated in order to establish the position(s) of acylation on the pyrazolidine ring.The reaction was carried out with acetic, propanoic, butanoic, pentanoic, chlor
Izydore, Robert A.,Bernal-Ramirez, Juan A.,Singh, Phirtu