Patents

US8673969: Substituted 4-beta-acrylamidopodophyllotoxin congeners as antitumour antibiotics and the process for preparation thereof

The invention provides compounds of general formula (3) as useful potential antitumour agents against human cancer cell lines. The invention further provides a process for the synthesis of 4?-acrylamidopodophyllotoxin congeners of general formula (3), wherein R and R1 are an aryl group and R is selected from 3,4,5-trimethoxyphenyl or 2-methoxy phenyl and R1 is selected from the group consisting of 4-hydroxy-3-methoxyphenyl, 3-hydroxy-4-methoxyphenyl, 4-fluoro-3-methoxyphenyl, 3-fluoro-4-methoxyphenyl, 2-fluoro-5-methoxyphenyl, 2-fluoro-4-methoxyphenyl, 4-hydroxy-3-nitrophenyl, 4-methoxy-3-nitrophenyl, 4-nitrophenyl, 3-nitrophenyl, 2-nitro phenyl, 4-methoxyphenyl, 3-methoxyphenyl and 4-hydroxyphenyl.

Filing Date: 07-05-2013

Issue Date: 18-03-2014

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

Patent No: US8673969

Application No: 13/883938

Inventor(s): Ahmed, Kamal (Hyderabad, In); Paidakula, Suresh (Hyderabad, In); Banala, Ashwini Kumar (Hyderabad, In); Reddy, Adla Malla (Hyderabad; In), Reddy, Papagiri Venkat (Hyderabad, In)

IPC Classification: A61K 31/335, C07D 493/04

Country: United States of America

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