I. Skiera, Z. Paryzek
Oct 1, 2014
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Journal
Journal of Chemical Research
Abstract
The synthesis of O-chlorocarbonyl derivatives of a series of bile acid methyl esters is described. The steroidal chloroformate esters were prepared by the reaction of the respective hydroxy derivatives with triphosgene–pyridine in benzene at 25 °C. The O-chlorocarbonyl derivatives were characterised by spectroscopic methods.