A Facile Synthesis of Ethyl (3-Oxo-5b-Cholan)-24-YL Oxalate
Lutfun Nahara,*, Satyajit D. Sarkerb and Alan B. Turnera
Absrtract
A facile synthesis of ethyl (3-oxo-5b-cholan)-24-yl
oxalate (8) has been achieved from lithocholic acid (1) in 5 steps
with a 64% yield. Comprehensive NMR spectroscopic data interpretations for all
new compounds are presented.
Keywords: lithocholic acid, methyl lithocholate, oxalyl chloride, esterification, NMR