Steroid esters preparation

Details Steroid esters preparation Steroid esters preparation

C - Chemistry, Metallurgy

07

J

260/28

C07J 1/00 (2006.01) C07J 5/00 (2006.01) C07J 9/00 (2006.01) C07J 41/00 (2006.01)

Patent

CA 1211430

\ ABSTRACT OF THE DISCLOSURE . This invention relates to an improved steroid ester synthesis in which carbodiimides and cata- lytic amounts of 4-(tertiary amino)-pyridines, in combination with acid catalysts, are used as condensing agents, resulting in pure, non dis- coloured compounds in high yields.

454726

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