Chemistry and Structure−Activity Relationship of HIV-1 Integrase Inhibitor Integracide B and Related Natural Products
作者:Sheo B. Singh、John G. Ondeyka、William A. Schleif、Peter Felock、Daria J. Hazuda
DOI:10.1021/np030211s
日期:2003.10.1
Integracides, 4,4-dimethylergostane triterpenoids, are inhibitors of HIV-1 integrase, a critical enzyme in replication of HIV-1. The chemistry and structure-activity relationship of integracide B and related natural products are described. A charged group, e.g., a sulfate, carboxyl, or amino, is required for the HIV-1 integrase activity. These compounds showed HIV-1 integrase activity with IC(50) values
A new mild PTSA-catalyzed method for sulfate ester hydrolysis and acid-catalyzed rearrangement of 12-acetyl-diene-11-ol tetracyclic triterpenoids involving an angular methyl migration
作者:Sheo B Singh
DOI:10.1016/s0040-4039(00)01190-4
日期:2000.9
mechanisms for the rearrangement have been elucidated and conditions have been developed to give high yields of the rearrangement products. A new and general PTSA·H2O and PPTS-catalyzed sulfate hydrolysismethod has been developed.