Patent ID: 6689884
Filing Date: 2004-02-10
Classification: C12Q

Abstract:
A compound of the formula (I) wherein R1 is equal to NR3R4, OR3 or SR3, wherein R3 and R4 independently of one another, identically or differently, are H or CnH2n+1, wherein n is equal to an integer from 1-12; wherein R2 is equal to CmH2mâ€”C(X)â€”Y where X is equal to &boxH;O, &boxH;S or &boxH;Nâ€”H, wherein Y is OR3, NR3R4 or SR3; or R2 is equal to CmH2mâ€”CH2â€”X or CmH2mâ€”CH(X)â€”Y, wherein X is equal to NR3R4, OR3, or SR3; or R2 is equal to CmH2mâ€”Zâ€”Yâ€² where Z is equal to a S(&boxH;O)2 or P(&boxH;O)(Oâˆ’), wherein Yâ€² is equal to H, CnH2n+1, OR3, NR3R4 or SR3, and wherein m is an integer from 1-4; wherein R5, R6 independently of one another are H or CnH2n+1; and wherein nucleobase is selected from the group consisting of 1-thyminyl, 1-uracilyl, 9-adeninyl, 1-cytosinyl, 9-guaninyl, 1-isocytosinyl, 9-isoguaninyl, 9-xanthinyl, and 9-hypoxanthinyl and; wherein each nucleobase is optionally provided with one or more protective groups.