Tricyclic pyrones

Details Tricyclic pyrones Tricyclic pyrones

2011-05-03

2011-05-03

Landau, Sharmila Gollamudi (Department: 1611)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

Reexamination Certificate

active

07935726

ABSTRACT:
Provided are compounds of formula IA or IB:wherein R1 and R8 are independently optionally substituted hydrocarbyl groups; wherein(a) R1 contains a carbonyl group and a phenyl group,(b) R8 contains an optionally substituted adenine group, or(c) R8 contains an alkenyl group with from two to six carbon atoms;R10is H, —OH, —OR or ═O; R6 is selected from the group consisting of: H, OH, alkyl, alkenyl, alkynyl, an aromatic ring system, amino, sulfhydryl, sulfonyl, NH2and OCOR; R2 is selected from the group consisting of: H, —OH and lower alkyl; R is H or an optionally substituted hydrocarbyl group, and pharmaceutically acceptable salts or esters of the foregoing, as well as isomers thereof.

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