Patent ID: 7807800

Claim:
A compound according to formula I below: wherein X=—C(═O)—, —CH(OH)— or —CH 2 —, R 1 , R 4 , R 6 , R 9 , R 10 and R 12 are each independently H, CH 3 or CH 2 CH 3 , R 2 =OH or a glycosyl group selected from the group consisting of O-cladinose, O-mycarose, O-rhamnose, 2′-O-methyl rhamnose, 2′,3′bis-O-methyl rhamnose, 2′,3′,4′-tris-O-methyl rhamnose, O-digitoxose, O-olivose, O-oliose, O-oleandrose, O-mycaminose, and O-angolosamine; R 3 =H, or R 2 and R 3 together are keto; R 5 =OH or a glycosyl group selected from the group consisting of O-mycarose, O-rhamnose, 2′-O-methyl rhamnose, 2′,3′-bis-O-methyl rhamnose, 2′,3′,4′-tris-O-methyl rhamnose, O-digitoxose, O-olivose, O-oliose, O-oleandrose, O-desosamine, O-mycaminose, and O-angolosamine; R 7 =H or OH; R 8 =H or OH; R 11 =H or OH, R 13 =H or OH, R 14 = where: R 15 is H or a C 1 -C 7 alkyl group or C 4 -C 7 cycloaklyl group; R 16 is H, a C 1 -C 7 alkyl group or C 4 -C 7 cycloaklyl group, R 17 , R 18 and R 19 are each independently H or a C 1 -C 7 alkyl group or R 20 or R 21 are (CH 2 ) x , where x=2-5 and R 22 is O—R 23 where R 23 =H or a C 1 to C 7 alkyl group or C 1 -C 7 acyl group; or R 22 and R 16 together are a keto group; or R 22 and R 19 together are a keto group; with the proviso that the following compounds are excluded: (a) when R 2 =OH, O-cladinose or O-mycarose and R 5 is OH or O-desosamine (b) when R 1 =R 4 =R 6 =R 9 =R 10 =R 12 =CH 3 , R 3 =H, R 2 =O-oleandrose, R 5 =O-desosamine, R 7 =OH, R 8 =R 13 =H and R 14 = where R 17 =R 18 =R 19 =H, (c) when R 2 or R 5 =O-mycaminose (d) when R 2 or R 5 =O-angolosamine.