abstract |
The present invention provides 4-Aza-2,3-didehydropodophyllotoxin compound of general formula A (4a- 4z and 4aa-4ae) as useful potential antitumour agents against human cancer cell lines. The present invention further provides a process for the synthesis of 4-Aza-2,3-didehydropodophyllotoxin compounds (4a-4z and 4aa-4ae). |