Patents

US8354547: 4beta-Amino Podophyllotoxin Congeners As Anti Tumour Antibiotics A Process For The Preparation Thereof

The invention provides novel beta-amino podophyllotoxin congeners of general formula (A); R=CH3, or H; R.sub.1=(a) or (b) or (c) or (d) or (e) or (f). The present invention also provides a process for the preparation of 4beta-amino podophyllotoxin congeners useful as antitumour agents.

Filing Date: 04-05-2011

Issue Date: 15-01-2013

Applicant: CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad

Patent No: US8354547

Application No: 13/127572

Inventor(s): Ahmed Kamal, Banala Ashwini Kumar, Paidakula Suresh

IPC Classification: C07D 307/77

Country: United States of America

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