Patent ID: 6982261

Claim:
A compound having the structure of formula 1: wherein: T is S; R 1 and R 2 are each, independently, hydrogen, alkyl, or substituted alkyl; or R 1 and R 2 are taken together to form a ring selected from the group consisting of —CH 2 (CH 2 ) n CH 2 —, —CH 2 CH 2 C(CH 3 ) 2 CH 2 CH 2 —, —O(CH 2 ) p CH 2 —, —O(CH 2 ) q O—, —CH 2 CH 2 OCH 2 CH 2 —, and —CH 2 CH 2 NR 7 CH 2 CH 2 —; n=1–5; p=1–4; q=1–4; R 3 is hydrogen, OH, NH 2 , alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, or COR A ; R A is hydrogen, alkyl, substituted alkyl, alkoxy, substituted alkoxy, aminoalkyl, or substituted aminoalkyl; R 4 is hydrogen, halogen, CN, NH 2 , alkyl, substituted alkyl, alkoxy, substituted alkoxy, aminoalkyl, or substituted aminoalkyl; R 5 is hydrogen, alkyl, or substituted alkyl; R 6 is hydrogen, alkyl, substituted alkyl, or COR B ; R B is hydrogen, alkyl, substituted alkyl, alkoxy, substituted alkoxy, aminoalkyl, or substituted aminoalkyl; R 7 is hydrogen or alkyl; or a pharmaceutically acceptable salt thereof.