Patent ID: 7112669

Claim:
A compound of Formula 301: wherein: R 1 represents an alpha-oriented lower alkoxycarbonyl or hydroxycarbonyl radical; -A-A- represents the group —CHR 4 —CHR 5 — or —CR 4 ═CR 5 —; R 3 , R 4 and R 5 are independently selected from the group consisting of hydrogen, halo, hydroxy, lower alkyl, lower alkoxy, hydroxyalkyl, alkoxyalkyl, hydroxycarbonyl, cyano, and aryloxy; —B—B— represents the group —CHR 6 —CHR 7 — or an alpha- or beta-oriented group: where R 6 and R 7 are independently selected from the group consisting of hydrogen, halo, lower alkoxy, acyl, hydroxyalkyl, alkoxyalkyl, hydroxycarbonyl, alkyl, alkoxycarbonyl, acyloxyalkyl, cyano, and aryloxy; and R 8 and R 9 are independently selected from the group consisting of hydrogen, hydroxy, halo, lower alkoxy, acyl, hydroxyalkyl, alkoxyalkyl, hydroxycarbonylalkyl, alkoxycarbonylalkyl, acyloxyalkyl, cyano, and aryloxy, or R 8 and R 9 together comprise a carbocyclic or heterocyclic ring structure, or R 8 or R 9 together with R 6 or R 7 comprise a carbocyclic or heterocyclic ring structure fused to the pentacyclic D ring.