Patent ID: 8309707
Filing Date: 2012-11-13
Classification: C07H,C12N

Abstract:
1. A phosphoramidite having formula (1), where, Y is an oxygen atom or a sulfur atom; W is selected from the group consisting of an oxygen diradical, a N—H diradical and a fluorine radical, and R if W is an oxygen diradical, then R if W is a N—H diradical, then R if W is a fluorine radical, then R B is selected from the group of nucleoside base radicals consisting of -9-(N or, B is a modified nucleoside base radical selected from the group consisting of 1-(N Z is a protecting group selected from the group consisting of dimethoxytriphenylmethyl (DMT), monomethoxytriphenylmethyl (MMT) and trimethoxytriphenylmethyl (TMT); R R R