ES271609A1 - Procedure for the preparation of 6-alpha-methyl-16-methyleneesteroids (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of 6-alpha-methyl-16-methyleneesteroids (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES271609A1
ES271609A1 ES0271609A ES271609A ES271609A1 ES 271609 A1 ES271609 A1 ES 271609A1 ES 0271609 A ES0271609 A ES 0271609A ES 271609 A ES271609 A ES 271609A ES 271609 A1 ES271609 A1 ES 271609A1
Authority
ES
Spain
Prior art keywords
alpha
translation
methyl
procedure
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
ES0271609A
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 KGaA
Original Assignee
E Merck AG
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 E Merck AG filed Critical E Merck AG
Publication of ES271609A1 publication Critical patent/ES271609A1/en
Expired legal-status Critical Current

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  • Steroid Compounds (AREA)

Abstract

Procedure for the preparation of 6alpha-methyl-16-methylene-steroids, of the formula I ** (See formula) ** in which R1 means H, H; alpha-H, beta-CH or O, R 2 is H, OH or O-acyl, R3 means H or acyl and And it means H or F, characterized in that a steroid of the formula II is treated with hydrogen ** (See formula) ** in which R1, R2, R3 and Y have the meaning expressed before and X means chlorine or bromine, in the presence of a noble metal catalyst. (Machine-translation by Google Translate, not legally binding)
ES0271609A 1960-10-29 1961-10-28 Procedure for the preparation of 6-alpha-methyl-16-methyleneesteroids (Machine-translation by Google Translate, not legally binding) Expired ES271609A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE271609X 1960-10-29

Publications (1)

Publication Number Publication Date
ES271609A1 true ES271609A1 (en) 1962-03-16

Family

ID=38568989

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0271609A Expired ES271609A1 (en) 1960-10-29 1961-10-28 Procedure for the preparation of 6-alpha-methyl-16-methyleneesteroids (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES271609A1 (en)

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