INDUSTRIAL METHOD FOR THE SYNTHESIS OF 17-ACETOXY-11SS-[4-(DIMETHYLAMINO)-PHENYL]-21-METHOXY-19-NORPREGNA-4,9-DIEN-3,20-DIONE AND THE KEY INTERMEDIATES OF THE PROCESS

The present invention relates to a process for the synthesis of the 17-acetoxy-11 -[4-(dimethylamino)-phenyl]-21-methoxy-19-norpregna-4,9-dien-3,20-dione of formula (I): from 3,3-[1,2-etandiyl-bis(oxy)]-oestr-5(10),9(11)-dien-17-one of formula (II):

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Bibliographic Details
Main Authors CSABA SANTA, JANOS SZELES, SANDOR MAHO, ZOLTAN HORVATH, GABOR BALOGH, JANOS CSORGEI, ANTAL ARANYI, CSABA MOLNAR, ZOLTAN TUBA, LASZLO TERDY, GYORGY VISKY, JOZSEF BODI
Format Patent
LanguageEnglish
Portuguese
Published 06.01.2012
Subjects
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
STEROIDS
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Summary:The present invention relates to a process for the synthesis of the 17-acetoxy-11 -[4-(dimethylamino)-phenyl]-21-methoxy-19-norpregna-4,9-dien-3,20-dione of formula (I): from 3,3-[1,2-etandiyl-bis(oxy)]-oestr-5(10),9(11)-dien-17-one of formula (II):
Bibliography:Application Number: PT20080762676T