Patent ID: 7576094

Claim:
A compound represented by Formula I: wherein, X is O or S(O) 0-2 ; R 1 , R 3 , and R 4 are independently selected from the group consisting of hydrogen, alkyl, halogen amino, and alkenyl, with the proviso that said alkenyl is not substituted with aryl or heteroaryl; R 2 is hydroxy; R 5 and R 6 are independently selected from the group consisting of hydrogen, hydroxy, alkoxy, aminosulfonyl, sulfanyl, cyano, —NROR a , or together with the carbon atom to which they are attached, form C═O, or C═NOR a ; R 7 and R 8 are independently selected from hydrogen, alkyl, alkoxy, and oxazol-2-yl; R 9 and R 10 together with the carbon atom to which they are attached, form a (C 3 -C 4 )cycloalkyl ring; R is hydrogen or alkyl; R a is hydrogen or alkyl; and n is 1; with the following proviso no more than one of R 1 , R 3 and R 4 is hydrogen; or single stereoisomers, mixtures of stereoisomers, or pharmaceutically acceptable salts thereof.