Patent ID: 8039611
Filing Date: 2011-10-18
Classification: C07H,C12N,Y02P

Abstract:
1. A ribonucleoside derivative represented by General Formula (I): wherein R R wherein R R R B represents an adenine nucleic acid base optionally protected by one or two acyl groups or an amidine protecting group at the N6 position of the adenine amino group, a cytosine nucleic acid base, a guanine nucleic acid base optionally protected by one or two acyl groups or an amidine protecting group at the N2 position of the guanine amino group, a uracil nucleic acid base optionally protected by an alkyl group or an acyl group at the N3 position, a thymine nucleic acid base optionally protected by an alkyl group or an acyl group at the N3 position, or a pyrimidine base having an alkyl group, an alkynyl group, an aryl group, a fluorescent functional group, a biotinyl group, an amino group or a spin label at the 5-position.