Lipase-Catalyzed Esterification of Betulinic Acid Using Phthalic Anhydride in Organic Solvent Media: Study of Reaction Parameters

M. Ghaffari Moghaddam, F.B.H. Ahmad, M. Basri and M.B. Abdul Rahman

Journal of Applied Sciences 10 ( 4 ): 337 - 342 , 2010