CU23609B7 - PROCESS TO PRODUCE 3-OXO-PREGN-4-ENO-21,17-CARBOLACTONES BY METAL FREE OXIDATION OF 17- (3-HYDROXYPROPIL) -3,17-DIHYDROXYANDROSTANS - Google Patents

PROCESS TO PRODUCE 3-OXO-PREGN-4-ENO-21,17-CARBOLACTONES BY METAL FREE OXIDATION OF 17- (3-HYDROXYPROPIL) -3,17-DIHYDROXYANDROSTANS

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Publication number
CU23609B7
CU23609B7 CU20080007A CU20080007A CU23609B7 CU 23609 B7 CU23609 B7 CU 23609B7 CU 20080007 A CU20080007 A CU 20080007A CU 20080007 A CU20080007 A CU 20080007A CU 23609 B7 CU23609 B7 CU 23609B7
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CU
Cuba
Prior art keywords
oxo
carbolactones
pregn
eno
produce
Prior art date
Application number
CU20080007A
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Spanish (es)
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CU20080007A7 (en
Inventor
Hartmut Seba
Carsten Seilz
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Bayer Schering Pharma Ag
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Publication date
Application filed by Bayer Schering Pharma Ag filed Critical Bayer Schering Pharma Ag
Priority to CU20080007A priority Critical patent/CU23609B7/en
Publication of CU20080007A7 publication Critical patent/CU20080007A7/en
Publication of CU23609B7 publication Critical patent/CU23609B7/en

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Abstract

Este invento se refiere a Procesos para producir 3-oxo-pregnano-21,17-carbolactonas de fórmula II, así como 3-oxo-pregn-4-eno-21,17-carbolactonas de fórmula III por oxidación libre de metales de 17-(3-hidroxipropil)-3,17-dihidroxiandrostanos de fórmula I. Además, la invención se refiere al hemisolvato en diclorometano de 6beta, 7beta, 15beta, 16beta-dimetileno-3-oxo-17alfa-pregnan-5beta-ol-21,17-carbolactona (IV) así como a un proceso para producir drospirenona.This invention relates to Processes for producing 3-oxo-pregnan-21.17-carbolactones of formula II, as well as 3-oxo-pregn-4-eno-21.17-carbolactones of formula III by metal-free oxidation of 17 - (3-hydroxypropyl) -3,17-dihydroxyandrostanes of formula I. In addition, the invention relates to the hemisolvate in dichloromethane of 6 beta, 7 beta, 15 beta, 16 beta-dimethylene-3-oxo-17 alpha-pregnan-5 beta-ol-21 , 17-carbolactone (IV) as well as a process to produce drospirenone.

CU20080007A 2008-01-18 2008-01-18 PROCESS TO PRODUCE 3-OXO-PREGN-4-ENO-21,17-CARBOLACTONES BY METAL FREE OXIDATION OF 17- (3-HYDROXYPROPIL) -3,17-DIHYDROXYANDROSTANS CU23609B7 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CU20080007A CU23609B7 (en) 2008-01-18 2008-01-18 PROCESS TO PRODUCE 3-OXO-PREGN-4-ENO-21,17-CARBOLACTONES BY METAL FREE OXIDATION OF 17- (3-HYDROXYPROPIL) -3,17-DIHYDROXYANDROSTANS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CU20080007A CU23609B7 (en) 2008-01-18 2008-01-18 PROCESS TO PRODUCE 3-OXO-PREGN-4-ENO-21,17-CARBOLACTONES BY METAL FREE OXIDATION OF 17- (3-HYDROXYPROPIL) -3,17-DIHYDROXYANDROSTANS

Publications (2)

Publication Number Publication Date
CU20080007A7 CU20080007A7 (en) 2010-05-19
CU23609B7 true CU23609B7 (en) 2010-12-08

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CU20080007A CU23609B7 (en) 2008-01-18 2008-01-18 PROCESS TO PRODUCE 3-OXO-PREGN-4-ENO-21,17-CARBOLACTONES BY METAL FREE OXIDATION OF 17- (3-HYDROXYPROPIL) -3,17-DIHYDROXYANDROSTANS

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CU20080007A7 (en) 2010-05-19

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