Patent ID: 7893263

Claim:
Corosolic acid analogs represented by the formula I, wherein R 1 , R 2 , R 3 , R 4 and R 5 are as indicated below in each of said analogs: R 1 =COC 5 H 4 N, R 2 =R 3 =R 4 =H, R 5 =COOH; R 1 =R 2 =R 3 =R 4 =H, R 5 =CONHC 6 H 5 ; R 1 =R 2 =R 3 =R 4 =H, R 5 =CONHCH 2 CH 2 NH 2 ; R 1 =R 2 =R 3 =R 4 =H, R 5 =CON(CH 2 CH 2 ) 2 NH; R 1 =R 2 =R 3 =R 4 =H, R 5 =CONHCH 2 CH 2 OH; and R 1 =R 2 =R 3 =R 4 =H, R 5 =CHO.