Publication number: 20080194565
Abstract: The present invention relates to C ompounds having the structure of Formula I: wherein n is an integer from 1 to 5; R1 is optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, aralkyl, alkoxy, aryloxy, alkenyloxy or alkynyloxy; R2 is alkenyl, allcynyl, aryl, heterocyclyl, heteroaryl, cycloalkyl, NR4R5, —NHC(?Y)R4, —NHC(?Y)NR5Rx, —NHC(?O)OR4, —NHSO2R4, C(?Y)NR4R5, C(?O)OR6 [wherein Y is oxygen or sulphur], OR5, —O(C?O)NR4R5, O-acyl, S(O)mR4, —SO2N(R4)2, cyano, amidino or guanidino [wherein R4 is alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, aralkyl, heteroarylalkyl, heterocyclylalkyl or cycloalkylalkyl and m is an integer 0-2; R5 is hydrogen or R4; Rx is R4 or —SO2N(R4)2 and R6 is hydrogen, alkyl, cycloalkyl, aralkyl, heteroarylalkyl, heterocyclylalkyl or cycloalkylalkyl]; R3 is hydrogen, fluorine, alkyl, cycloalkylalkyl or aralkyl; A is OH, OR4, —OC(?O)NR4R5, O-acyl, NH2, NR4R5, —NHC(?Y)R4, —NHC(?Y)NR5Rx, —NHC(?O)OR4, —NHSO2R4, and to processes for
Type:
Application
Filed:
February 21, 2006
Publication date:
August 14, 2008
Inventors:
Venkata P. Palle, Viswajanani Jitendra Sattigeri, Manoj Kumar Khera, Sreedhara Rao Voleti, Abhijit Ray, Sunanda G. Dastidar