Synthesis of a new 4-aza-2,3-didehydropodophyllotoxin analogues as potent cytotoxic and antimitotic agents
摘要:
A series of novel conjugates of 4-aza-2,3-didehydropodophyllotoxins (11a-w) were synthesized by a straightforward one-step multicomponent synthesis that demonstrated cytotoxicity against five human cancer cell lines (breast, oral, colon, lung and ovarian). All the twenty three compounds (11a-w) have been examined for the inhibition of tubulin polymerization. Among these compounds, 11a, 11k and 11p exhibited inhibition of polymerization tubulin comparable to podophyllotoxin apart from disruption of microtubule organization within the cells. Flow cytometric analysis showed that these compounds (11a, 11k and 11p) arrested the cell cycle in the G2/M phase of cell cycle leading to caspase-3 dependent apoptotic cell death. (C) 2011 Elsevier Ltd. All rights reserved.
4-AZA-2, 3-DIDEHYDROPODOPHYLLOTOXIN COMPOUNDS AND PROCESS FOR THE PREPARATION THEREOF
申请人:Ahmed Kamal
公开号:US20130245048A1
公开(公告)日:2013-09-19
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).
US8927560B2
申请人:——
公开号:US8927560B2
公开(公告)日:2015-01-06
Synthesis of a new 4-aza-2,3-didehydropodophyllotoxin analogues as potent cytotoxic and antimitotic agents
作者:Ahmed Kamal、Paidakula Suresh、Adla Mallareddy、Banala Ashwini Kumar、Papagari Venkat Reddy、Paidakula Raju、Jaki R. Tamboli、Thokhir B. Shaik、Nishant Jain、Shasi V. Kalivendi
DOI:10.1016/j.bmc.2011.02.020
日期:2011.4
A series of novel conjugates of 4-aza-2,3-didehydropodophyllotoxins (11a-w) were synthesized by a straightforward one-step multicomponent synthesis that demonstrated cytotoxicity against five human cancer cell lines (breast, oral, colon, lung and ovarian). All the twenty three compounds (11a-w) have been examined for the inhibition of tubulin polymerization. Among these compounds, 11a, 11k and 11p exhibited inhibition of polymerization tubulin comparable to podophyllotoxin apart from disruption of microtubule organization within the cells. Flow cytometric analysis showed that these compounds (11a, 11k and 11p) arrested the cell cycle in the G2/M phase of cell cycle leading to caspase-3 dependent apoptotic cell death. (C) 2011 Elsevier Ltd. All rights reserved.