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

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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.

Patent No:: US8354547
Application No:: 13/127572
Filing Date:: 04-05-2011
Issue Date:: 15-01-2013
Applicant:: CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad
Inventor(s):: Ahmed Kamal, Banala Ashwini Kumar, Paidakula Suresh
IPC Classification:: C07D 307/77
Country:: United States of America

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