DK130112B - Process for the preparation of 18-methylene steroids from the androstane or 19-nor-androstane series. - Google Patents

Process for the preparation of 18-methylene steroids from the androstane or 19-nor-androstane series.

Info

Publication number
DK130112B
DK130112B DK229571A DK229571A DK130112B DK 130112 B DK130112 B DK 130112B DK 229571 A DK229571 A DK 229571A DK 229571 A DK229571 A DK 229571A DK 130112 B DK130112 B DK 130112B
Authority
DK
Denmark
Prior art keywords
androstane
preparation
series
methylene steroids
steroids
Prior art date
Application number
DK229571A
Other languages
Danish (da)
Other versions
DK130112C (en
Inventor
G Anner
J Kalvoda
Original Assignee
Ciba Geigy 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
Priority claimed from CH1811967A external-priority patent/CH513837A/en
Priority claimed from CH1751368A external-priority patent/CH549002A/en
Priority claimed from DK627868AA external-priority patent/DK128239B/en
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of DK130112B publication Critical patent/DK130112B/en
Application granted granted Critical
Publication of DK130112C publication Critical patent/DK130112C/da

Links

DK229571A 1967-12-22 1971-05-12 Process for the preparation of 18-methylene steroids from the androstane or 19-nor-androstane series. DK130112B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1811967A CH513837A (en) 1967-12-22 1967-12-22 18-Methylene steroids - gestogens, ovulation inhibitors, contraceptive agents and intermediates
CH1751368A CH549002A (en) 1968-11-25 1968-11-25 18-Methylene steroids - gestogens, ovulation inhibitors, contraceptive agents and intermediates
DK627868AA DK128239B (en) 1967-12-22 1968-12-20 Analogous process for the preparation of 18-methylene steroids of the pregnane or 19-nor-pregnane series.

Publications (2)

Publication Number Publication Date
DK130112B true DK130112B (en) 1974-12-23
DK130112C DK130112C (en) 1975-06-09

Family

ID=27177623

Family Applications (3)

Application Number Title Priority Date Filing Date
DK229671A DK132122C (en) 1967-12-22 1971-05-12 PROCEDURE FOR THE PREPARATION OF 18-METHYLENE STEROIDS FROM THE ANDROSTAN OR 19-NOR-ANDROSTAN RANGE
DK229271A DK132281C (en) 1967-12-22 1971-05-12 PROCEDURE FOR THE PREPARATION OF 18-METHYLENE STEROIDS OF THE PREGNANE OR ANDROSTAN RANGE OR 19-NOR ANALOG THEREOF
DK229571A DK130112B (en) 1967-12-22 1971-05-12 Process for the preparation of 18-methylene steroids from the androstane or 19-nor-androstane series.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DK229671A DK132122C (en) 1967-12-22 1971-05-12 PROCEDURE FOR THE PREPARATION OF 18-METHYLENE STEROIDS FROM THE ANDROSTAN OR 19-NOR-ANDROSTAN RANGE
DK229271A DK132281C (en) 1967-12-22 1971-05-12 PROCEDURE FOR THE PREPARATION OF 18-METHYLENE STEROIDS OF THE PREGNANE OR ANDROSTAN RANGE OR 19-NOR ANALOG THEREOF

Country Status (1)

Country Link
DK (3) DK132122C (en)

Also Published As

Publication number Publication date
DK132122B (en) 1975-10-27
DK132281C (en) 1976-04-26
DK132122C (en) 1976-03-29
DK132281B (en) 1975-11-17
DK130112C (en) 1975-06-09

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