| abstract |
A compound of formula (1): n n n n n n n n n n whereinn nR 1 is selected from the group consisting of H, α-L-Rhamnopyranose, α-D-Mannopyranose, β-D-Xylopyranose, β-D-Glucopyranose, and α-D-Arabinopyranose; R 2 is selected from CH 3 , COOH, CH 2 OH, COOCH 3 and CH 2 O-α-D-Arabinopyranose; with the proviso that the compound of formula (I) is not a compound of formula (I) wherein R 1 is β-D-Glucopyranose and R 2 is COOH; wherein R 1 is α-L-Rhamnopyranose and R 2 is CH 3 ; wherein R 1 is β-D-Glucopyranose and R 2 is CH 2 OH; wherein R 1 is β-D-Xylopyranose and R 2 is CH 2 OH; wherein R 1 is α-L-Rhamnopyranose and R 2 is COOCH 3 , wherein R 1 is H and R 2 is CH 3 ; wherein R 1 is H and R 2 is CH 2 OH; wherein R 1 is H and R 2 is COOH; or wherein R 1 is H and R 2 is COOCH 3 ,n nor a pharmaceutically acceptable salt thereof. |