A compound corresponding to the following formula: in which: T is a group selected from -O-P(OR 1)N(R 2) 2, -O-PH O-, -OC JC NH- □, ∘ R 1 is selected from the 2-cyanoethyl, R' 1 R' 2 R' 3 SiCH 2 CH 2, groups and R' 1, R' 2, R' 3, which may be identical or different, represent a group selected from the linear or branched alkyls comprising from 1 to 12 carbon atoms and the C6-C12 aryls, ∘ R 2 is selected from the linear or branched alkyl groups comprising from 1 to 12 carbon atoms, pyrrolidine, ∘ J is selected from a single bond, a -CH 2 -, -CH 2 CH 2 -, -CH 2 OCH 2 -,-CH 2 OPhOCH 2 - group, where Ph is a benzyl, ∘ □ represents a solid support, D is a protective group of the alcohols selected from 4,4'-dimethoxytrityl, 9-phenylxanthen-9-yl, fluorenylmethoxycarbonyl and tert-butyl-dimethylsilyl, W is selected from the CH, CCH 3, CCH 2 CH 3, the cyclohexane triyl and the benzene triyl groups, Z is selected from the C1-C12 alkoxy groups, oxygen-containing or nitrogen-containing C3-C12 cycloheteroalkyl groups, C1-C12 NCO-alkyl groups, C1-C12 CON-alkyl groups, Y is selected from the linear or branched C1-C12 alkyl groups, C1-C12 aminoalkyl groups, C1-C12 alkoxy groups, C3-C12 cycloalkyl groups, oxygen-containing or nitrogen-containing C3-C12 cycloheteroalkyl groups, X is selected from the linear or branched C1-C12 alkyl groups, C1-C12 aminoalkyl groups, C1-C12 alkoxy groups, C3-C12 cycloalkyl groups, oxygen-containing or nitrogen-containing C3-C12 cycloheteroalkyl groups, R is selected from the C1-C12 acyl, C1-C12 S-alkyl, C6-C12 S-aryl, S-2-pyridine, oxygen-containing or nitrogen-containing C1-C12 S-heteroalkyl, C3-C12 S-cycloalkyl, oxygen-containing or nitrogen-containing C3-C12 S-cycloheteroalkyl groups. T is a group selected from -O-P(OR 1)N(R 2) 2, -O-PH O-, -OC JC NH- □, ∘ R 1 is selected from the 2-cyanoethyl, R' 1 R' 2 R' 3 SiCH 2 CH 2, groups and R' 1, R' 2, R' 3, which may be identical or different, represent a group selected from the linear or branched alkyls comprising from 1 to 12 carbon atoms and the C6-C12 aryls, ∘ R 2 is selected from the linear or branched alkyl groups comprising from 1 to 12 carbon atoms, pyrrolidine, ∘ J is selected from a single bond, a -CH 2 -, -CH 2 CH 2 -, -CH 2 OCH 2 -,-CH 2 OPhOCH 2 - group, where Ph is a benzyl, ∘ □ represents a solid support, ∘ R 1 is selected from the 2-cyanoethyl, R' 1 R' 2 R' 3 SiCH 2 CH 2, groups and R' 1, R' 2, R' 3, which may be identical or different, represent a group selected from the linear or branched alkyls comprising from 1 to 12 carbon atoms and the C6-C12 aryls, ∘ R 2 is selected from the linear or branched alkyl groups comprising from 1 to 12 carbon atoms, pyrrolidine, ∘ J is selected from a single bond, a -CH 2 -, -CH 2 CH 2 -, -CH 2 OCH 2 -,-CH 2 OPhOCH 2 - group, where Ph is a benzyl, ∘ □ represents a solid support, D is a protective group of the alcohols selected from 4,4'-dimethoxytrityl, 9-phenylxanthen-9-yl, fluorenylmethoxycarbonyl and tert-butyl-dimethylsilyl, W is selected from the CH, CCH 3, CCH 2 CH 3, the cyclohexane triyl and the benzene triyl groups, Z is selected from the C1-C12 alkoxy groups, oxygen-containing or nitrogen-containing C3-C12 cycloheteroalkyl groups, C1-C12 NCO-alkyl groups, C1-C12 CON-alkyl groups, Y is selected from the linear or branched C1-C12 alkyl groups, C1-C12 aminoalkyl groups, C1-C12 alkoxy groups, C3-C12 cycloalkyl groups, oxygen-containing or nitrogen-containing C3-C12 cycloheteroalkyl groups, X is selected from the linear or branched C1-C12 alkyl groups, C1-C12 aminoalkyl groups, C1-C12 alkoxy groups, C3-C12 cycloalkyl groups, oxygen-containing or nitrogen-containing C3-C12 cycloheteroalkyl groups, R is selected from the C1-C12 acyl, C1-C12 S-alkyl, C6-C12 S-aryl, S-2-pyridine, oxygen-containing or nitrogen-containing C1-C12 S-heteroalkyl, C3-C12 S-cycloalkyl, oxygen-containing or nitrogen-containing C3-C12 S-cycloheteroalkyl groups.