ES409205A1 - A procedure for the preparation of a 1,2 alpha-methylen -6,7 alpha-dihalometilen-20-espirox-4-eno 3-oxygenate. (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for the preparation of a 1,2 alpha-methylen -6,7 alpha-dihalometilen-20-espirox-4-eno 3-oxygenate. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES409205A1
ES409205A1 ES409205A ES409205A ES409205A1 ES 409205 A1 ES409205 A1 ES 409205A1 ES 409205 A ES409205 A ES 409205A ES 409205 A ES409205 A ES 409205A ES 409205 A1 ES409205 A1 ES 409205A1
Authority
ES
Spain
Prior art keywords
alpha
oxygenate
translation
preparation
machine
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
ES409205A
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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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 Merck and Co Inc filed Critical Merck and Co Inc
Publication of ES409205A1 publication Critical patent/ES409205A1/en
Expired legal-status Critical Current

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  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A process for the preparation of a 1,2alpha-methylene-6,7alpha-dihalomethylene-20-spirox-4-ene 3-oxygenate, which consists in treating a 1,2alpha-methylene-6,7alpha-dihalomethylene-17alpha- ( 3-hydroxypropyl) -17beta-hydroxyandrost-4-en-3-one with an agent capable of closing the ring. (Machine-translation by Google Translate, not legally binding)
ES409205A 1970-03-19 1972-12-01 A procedure for the preparation of a 1,2 alpha-methylen -6,7 alpha-dihalometilen-20-espirox-4-eno 3-oxygenate. (Machine-translation by Google Translate, not legally binding) Expired ES409205A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2118370A 1970-03-19 1970-03-19

Publications (1)

Publication Number Publication Date
ES409205A1 true ES409205A1 (en) 1975-12-16

Family

ID=21802810

Family Applications (1)

Application Number Title Priority Date Filing Date
ES409205A Expired ES409205A1 (en) 1970-03-19 1972-12-01 A procedure for the preparation of a 1,2 alpha-methylen -6,7 alpha-dihalometilen-20-espirox-4-eno 3-oxygenate. (Machine-translation by Google Translate, not legally binding)

Country Status (3)

Country Link
AR (1) AR195544A1 (en)
AT (2) AT306262B (en)
ES (1) ES409205A1 (en)

Also Published As

Publication number Publication date
AT306262B (en) 1973-04-10
AT316022B (en) 1974-06-25
AR195544A1 (en) 1973-10-23

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