Collect. Czech. Chem. Commun. 1986, 51, 2240-2242

Conversion of ajmaline, isoajmaline, sandwicine and isosandwicine to their acylation products

S. S. Ahmada, Tanveer Akhtara, S. Malika, S. I. Haidera and S. H. Khanb

a Department of Chemistry, University of Karachi, Karachi-32/Pakistan
b National Institute of Oceanography, 37-K/6, PECHS, Karachi-29/Pakistan


Ajmaline, isoajmaline, sandwicine and isosandwicine were converted to their new acylation products in 68-94% yields using isobutyric anhydride and isovaleric anhydride. The structures of these compounds were established on the basis of their spectroscopic studies.