DK132281C - PROCEDURE FOR THE PREPARATION OF 18-METHYLENE STEROIDS OF THE PREGNANE OR ANDROSTAN RANGE OR 19-NOR ANALOG THEREOF - Google Patents

PROCEDURE FOR THE PREPARATION OF 18-METHYLENE STEROIDS OF THE PREGNANE OR ANDROSTAN RANGE OR 19-NOR ANALOG THEREOF

Info

Publication number
DK132281C
DK132281C DK229271A DK229271A DK132281C DK 132281 C DK132281 C DK 132281C DK 229271 A DK229271 A DK 229271A DK 229271 A DK229271 A DK 229271A DK 132281 C DK132281 C DK 132281C
Authority
DK
Denmark
Prior art keywords
androstan
pregnane
analog
procedure
preparation
Prior art date
Application number
DK229271A
Other languages
Danish (da)
Other versions
DK132281B (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 DK132281B publication Critical patent/DK132281B/en
Application granted granted Critical
Publication of DK132281C publication Critical patent/DK132281C/en

Links

DK229271A 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 DK132281C (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
DK132281B DK132281B (en) 1975-11-17
DK132281C true DK132281C (en) 1976-04-26

Family

ID=27177623

Family Applications (3)

Application Number Title Priority Date Filing Date
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.
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
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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
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 After (1)

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

Country Status (1)

Country Link
DK (3) DK130112B (en)

Also Published As

Publication number Publication date
DK130112B (en) 1974-12-23
DK132281B (en) 1975-11-17
DK130112C (en) 1975-06-09
DK132122B (en) 1975-10-27
DK132122C (en) 1976-03-29

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