The transesterification of divinyladipate with adenosine in DMF containing
20% (v/v) DMSO was catalyzed by Streptomyces sp. alkaline protease and este
rification occurred exclusively at the 3'-position of hydroxyl group of rib
ofuranose in adenosine to give 3'-O-vinyladipoyl adenosine without other pr
oducts.