Patent ID: 7199132

Claim:
A compound having the structural formula: wherein: R 1 =COR 3 , and is α or β; R 2 =OH or O, is a 6- or 7-substituent, and if R 2 is OH, it is α or β; X=NR 3 or NSO 2 R 3 , with the N being a member of the ring; R 3 =H, (CH 2 ) n C 6 H 4 Y, C 6 H 4 Y, CHCH 2 , lower alkyl, lower alkenyl or lower alkynyl; Y=H, Br, Cl, I, F, OH, OCH 3 , CF 3 , NO 2 , NH 2 , CN, NHCOCH 3 , N(CH 3 ) 2 , (CH 2 ) n CH 3 , COCH 3 , or C(CH 3 ) 3 ; Ar=phenyl-R 5 , naphthyl-R 5 , anthracenyl-R 5 , phenanthrenyl-R 5 , or diphenylmethoxy-R 5 ; R 5 =H, Br, Cl, I, F, OH, OCH 3 , CF 3 , NO 2 , NH 2 , CN, NHCOCH 3 , N(CH 3 ) 2 , (CH 2 )nCH 3 , COCH 3 , C(CH 3 ) 3 where n=0–6, 4-F, 4-Cl, 4-I, 2-F, 2-Cl, 2-I, 3-F, 3-Cl, 3-I, 3,4-diCl, 3,4-diOH, 3,4-diOAc, 3,4-diOCH 3 , 3-OH-4-C, 3-OH-4-F, 3-Cl-4-OH, 3-F-4-OH, lower alkyl, lower alkoxy, lower alkenyl, lower alkynyl, CO(lower alkyl), or CO(lower alkoxy); and n=0, 1, 2, 3, 4 or 5.