Patent ID: 9156873
Filing Date: 2015-10-13
Classification: C07H,C12N

Abstract:
1. A compound having Formula I: wherein: Bx is a heterocyclic base moiety; each Pg is a hydroxyl protecting group; M M each R r is 0 or 1; A is O, S, CR R R Q G is H, OPg, halogen or O—[C(R each R X is O, S or N(E Z is H, halogen, C E n is from 1 to about 6; m is 0 or 1; j is 0 or 1; each substituted group consists of one or more optionally protected substituent groups independently selected from H, halogen, OJ L is O, S or NJ each J provided that when j is 1 then Z is other than halogen or N(E provided that when Q