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Synthesis and Evaluation of 1-Benzhydryl-sulfonyl-piperazine Derivatives as Inhibitors of Tumor Growth and Tumor Angiogenesis of Mouse Ehrlich Ascites Tumor In Vivo

[ Vol. 4 , Issue. 5 ]

Author(s):

C. S. Ananda Kumar, H. Chandru, A. C. Sharada, N. R. Thimmegowda, S. B. Benaka Prasad, M. Karuna Kumar and K. S. Rangappa   Pages 466 - 472 ( 7 )

Abstract:


A series of novel 1-benzhydryl-sulfonyl-piperazine derivatives 3(a-e) were synthesized by nucleophilic substitution reaction of 1-benzhydryl-piperazine with different sulfonyl chlorides and were characterized by 1H NMR, LC/MS, FTIR and elemental analysis. In the present study, the compounds 3(a-e) exhibited in vivo inhibition of Ehrlich ascites tumor (EAT) cell growth and increased the Median Survival Time (MST) and %ILS of EAT bearing mice. Further treatment of derivatives in vivo resulted in reduction of EAT cell number and ascites formation. The efficacy of the derivatives to inhibit the angiogenesis in vivo was evaluated in tumor bearing mice peritoneum and chorio allantoic membrane (CAM) model. The compounds suppressed the blood vessel formation in vivo in mice peritoneum and in CAM. Among the compounds studied, 3e demonstrated highest tumor inhibitory and anti-angiogenic effects against mouse tumor. However, this phenomenon needs detailed investigation.

Keywords:

1-benzhydryl-piperazine, Sulfonyl chlorides, EAT cells, MST, Anti-angiogenesis, Chorio allantoic membrane

Affiliation:

DOS in Chemistry, University ofMysore, Manasagangotri, Mysore, India, 570006.



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