Patent ID: 6407134
Filing Date: 2002-06-18
Classification: A61K,C07K

Abstract:
A compound represented by the formula: or a pharmaceutically acceptable salt, prodrug or ester thereof, whereinR1 represents alkyl of 3-4 carbon atoms, alkenyl of 2-5 carbon atoms, alkynyl of 2-3 carbon atoms, imidazolylmethyl, â€”CH2CONH2, â€”CH2S(O)2NH2, â€”CH2SCH3, â€”CH2S(O)2CH3, â€”C(CH3)2SCH3, â€”C(CH3)2S(O)CH3 or â€”C(CH3)2S(O)2CH3 radicals; R2 represents (CH3)2CHCH2â€”, CH3CH2CH2CH2â€”, CH3SCH2CH2â€”, C6H5CH2â€”, or (4â€”CH3OC6H5)CH2â€”; and R3 represents radicals of alkyl of 3-5 carbon atoms, cycloalkyl of 5-7 ring members or cycloalkylmethyl of 5-6 ring members.