Patent ID: 7319093

Claim:
A 2-substituted-5′-O-(1-boranotriphosphate)adenosine compound of the formula: wherein R 1 is selected from the group consisting of halogen; O-hydrocarbyl; S-hydrocarbyl; NR 3 R 4 ; and hydrocarbyl optionally substituted by halogen, CN, SCN, NO 2 , OR 3 , SR 3 or NR 3 R 4 ; wherein R 3 and R 4 are each independently H or hydrocarbyl or R 3 and R 4 together with the nitrogen atom to which they are attached form a saturated or unsaturated heterocyclic ring optionally containing 1-2 further heteroatoms selected from oxygen, nitrogen and sulfur; R 2 is H or hydrocarbyl, and M + represents the cation of a pharmaceutically acceptable salt, or a diastereoisomer thereof or a mixture of diastereoisomers thereof.