Patent ID: 7767842

Claim:
A compound selected from: in which R 3 , R 4 , and R 5 , identical or different, are a hydrogen or (C 1 -C 3 )alkyl group, W is —CH— or —N—, R 6 is a (C 2 -C 3 )acyl, an aldehyde, a (C 1 -C 3 )alcohol, or a (C 2 -C 3 )ester, Cat+ represents H + , Na + , NH 4 + , K + , Li + , (CH 3 CH 2 ) 3 NH + , lysine or any other suitable pharmaceutically acceptable cation, B is O or NH, m is an integer from 1 to 3, and Y is O − Cat+, a nucleoside, or a radical -A-R, wherein A is O, NH, CHF, CF 2 or CH 2 , and R is selected from the group consisting of: wherein n is an integer from 2 to 20, R 1 is a (C 1 -C 3 )alkyl group, and R 2 is a halogenated (C 1 -C 3 )alkyl, a (C 1 -C 3 )alkoxy-(C 1 -C 3 )alkyl, a halogenated (C 2 -C 3 )acyl or a (C 1 -C 3 )alkoxy-(C 2 -C 3 )acyl; wherein n is an integer from 2 to 20, and R 1 is a methyl or ethyl group; and wherein R 3 , R 4 , and R 5 , identical or different, are a hydrogen or (C 1 -C 3 )alkyl group, W is —CH— or —N—, and R 6 is a (C 2 -C 3 )acyl, an aldehyde, a (C 1 -C 3 )alcohol, or a (C 2 -C 3 )ester; in which R 3 , R 4 , and R 5 , identical or different, are a hydrogen or (C 1 -C 3 )alkyl group, W is —CH— or —N—, R 6 is a (C 2 -C 3 )acyl, an aldehyde, a (C 1 -C 3 )alcohol, or a (C 2 -C 3 )ester, Cat+ represents H + , Na + , NH 4 + , K + , Li + , (CH 3 CH 2 ) 3 NH + , lysine or any other suitable pharmaceutically acceptable cation, B is O or NH, m is an integer from 1 to 3, and Y is O − Cat+, a nucleoside, or a radical -A-R, wherein A is O, NH, CHF, CF 2 or CH 2 , and R is selected from the group consisting of: wherein n is an integer from 2 to 20, R 1 is a (C 1 -C 3 )alkyl group, and R 2 is a halogenated (C 1 -C 3 )alkyl, a (C 1 -C 3 )alkoxy-(C 1 -C 3 )alkyl, a halogenated (C 2 -C 3 )acyl or a (C 1 -C 3 )alkoxy-(C 2 -C 3 )acyl; wherein n is an integer from 2 to 20, and R 1 is a methyl or ethyl group; and wherein R 3 , R 4 , and R 5 , identical or different, are a hydrogen or (C 1 -C 3 )alkyl group, W is —CH— or —N—, and R 6 is a (C 2 -C 3 )acyl, an aldehyde, a (C 1 -C 3 )alcohol, or a (C 2 -C 3 )ester; or