Industrial process for the synthesis of ulipristal acetate and its 4′-acetyl analogue

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United States of America Patent

PATENT NO 9676814
SERIAL NO

15024822

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Abstract

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The present invention relates to a new process for the synthesis of compounds of formula (I) (wherein the meaning of R is dimethylamino or acetyl group) using the compound of formula (II) (wherein the meaning of R is dimethylamino or 2-methyl-1,3-dioxolan-2-yl group) as starting material, as well as to the intermediate of the process.

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Patent Owner(s)

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RICHTER GEDEON NYRTGYÖMRÖI ÚT 19-21 BUDAPEST H-1103

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aranyi, Antal Érd, HU 4 6
Béni, Zoltán Maglód, HU 4 0
Csörgei, János Budapest, HU 8 3
Horváth, János Budapest, HU 7 4
Mahó, Sándor Budapest, HU 11 6
Sánta, Csaba Budapest, HU 7 3

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