ES339251A1 - A procedure for the preparation of 3-oxo 7 alpha-methyl estra-4,9-dieno. (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for the preparation of 3-oxo 7 alpha-methyl estra-4,9-dieno. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES339251A1
ES339251A1 ES339251A ES339251A ES339251A1 ES 339251 A1 ES339251 A1 ES 339251A1 ES 339251 A ES339251 A ES 339251A ES 339251 A ES339251 A ES 339251A ES 339251 A1 ES339251 A1 ES 339251A1
Authority
ES
Spain
Prior art keywords
oxo
methyl
estra
translation
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES339251A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis France
Original Assignee
Roussel Uclaf SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Roussel Uclaf SA filed Critical Roussel Uclaf SA
Publication of ES339251A1 publication Critical patent/ES339251A1/en
Expired legal-status Critical Current

Links

Landscapes

  • Steroid Compounds (AREA)

Abstract

A process for the preparation of a 3-oxo-7alpha-methyl estra-4,9-diene of the formula: ** (see formula) ** Characterized in that 3-oxo 7alfa-methyl-17beta-acetoxy estra-4,9-diene is saponified with an alkaline agent, the 3-oxo-7alpha-methyl-17beta-hydroxy-estra-4,9-diene obtained is esterified by of the hexahydrobenzyl chloroformate and the 3-oxo-7alpha-methyl-17beta-hexahydrobenzyloxycarbonyloxy estra-4,9-diene is isolated. (Machine-translation by Google Translate, not legally binding)
ES339251A 1967-04-04 1967-04-13 A procedure for the preparation of 3-oxo 7 alpha-methyl estra-4,9-dieno. (Machine-translation by Google Translate, not legally binding) Expired ES339251A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR101404 1967-04-04

Publications (1)

Publication Number Publication Date
ES339251A1 true ES339251A1 (en) 1968-05-01

Family

ID=8628119

Family Applications (1)

Application Number Title Priority Date Filing Date
ES339251A Expired ES339251A1 (en) 1967-04-04 1967-04-13 A procedure for the preparation of 3-oxo 7 alpha-methyl estra-4,9-dieno. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES339251A1 (en)

Similar Documents

Publication Publication Date Title
ES339251A1 (en) A procedure for the preparation of 3-oxo 7 alpha-methyl estra-4,9-dieno. (Machine-translation by Google Translate, not legally binding)
ES320392A3 (en) Procedure for the obtaining of hormonal derivatives. (Machine-translation by Google Translate, not legally binding)
ES324213A1 (en) A preparation procedure of 3-alpha or ii-oxo 17-halogeno 5 betaandrosta-16-enos. (Machine-translation by Google Translate, not legally binding)
CA485786A (en) Fuel economizer
ES336947A1 (en) Improvements introduced in the preparation of asbestos compositions. (Machine-translation by Google Translate, not legally binding)
ES331808A1 (en) A procedure to prepare a tiocetal. (Machine-translation by Google Translate, not legally binding)
ES282051A1 (en) Instant dismolling device for tubes (Machine-translation by Google Translate, not legally binding)
ES309246A1 (en) Procedure for the preparation of estradiol ester. (Machine-translation by Google Translate, not legally binding)
CA487505A (en) Fuel saving device
ES321439A1 (en) A procedure for the preparation of 3-oxo 17-beta-metoxy 17-alpha-methyl estra-4.9, ii-triene. (Machine-translation by Google Translate, not legally binding)
CA488160A (en) Photographic development by ferrous alkaline solutions
CA519886A (en) Fuel economizer
ES297137A1 (en) Procedure for the preparation of 17 alpha-etoxy-6-chlorine-6-dehydro-progesterone (Machine-translation by Google Translate, not legally binding)
ES304423A1 (en) Procedure for the preparation of 1-amino-2-benzoil-4-hidroxiantraquinons. (Machine-translation by Google Translate, not legally binding)
ES332012A1 (en) Procedure for preparation of derivatives of 1,2 alpha-methylen-19-nortestosterone. (Machine-translation by Google Translate, not legally binding)
ES23079U (en) Customizable photographic reflector. (Machine-translation by Google Translate, not legally binding)
AU164713B2 (en) Reflex reflecting sheet
IE21448L (en) Electromagnetic horn
ES323030A1 (en) Procedure for the obtaining of a hydrosoluble derivative of pirazolidine. (Machine-translation by Google Translate, not legally binding)
CA517688A (en) Supplementary fuel
ES205940A1 (en) A switching device (Machine-translation by Google Translate, not legally binding)
AU155789B2 (en) Improvements in loading appliances
AU203168B2 (en) Improvements in boilers
CA767718A (en) Non-corrosive accelerator for setting of cements
ES263915A3 (en) Procedure for obtaining hormones and vitamins, especially b 12 of slow effect via via injectable (Machine-translation by Google Translate, not legally binding)