Alternative to high cost Rotary Evaporator Condensers. You can attach to your rotary evaporator Liebig condenser , Allihn , Graham with additional spout adapter and vacuum adapter or you can simply use it as reflux with NS29/32.
Reagent DPPA is versatile reagent for Curtius rearrangement to convert Carboxylic acids to their coresponding derivates eg :
Amines, Isocyanates, Urea derivates , Carbamates