Abstract
Synthesis of 3-substituted 2H-naphtho[1,2-e][1,4]diazepin-2,5(1H,4H)- diones (2) from the reaction of 2H-naphth[1,2-e][3,1]oxazin-2,4-(1H)-dione (1) with α-amino acids is reported.
Acknowledgment
One of the authors (MM) is thankful to the CSIR, New Delhi for the award of a Senior research fellowship.