GB1377975A - 17alpha-hydroxy-16alpha,18-dimethyl-delta4-pregnene-3,20-dione and its esters - Google Patents

17alpha-hydroxy-16alpha,18-dimethyl-delta4-pregnene-3,20-dione and its esters

Info

Publication number
GB1377975A
GB1377975A GB5173971A GB5173971A GB1377975A GB 1377975 A GB1377975 A GB 1377975A GB 5173971 A GB5173971 A GB 5173971A GB 5173971 A GB5173971 A GB 5173971A GB 1377975 A GB1377975 A GB 1377975A
Authority
GB
United Kingdom
Prior art keywords
dimethyl
methyl
converting
dione
hydrolysing
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
GB5173971A
Other languages
English (en)
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.)
Bayer Pharma AG
Original Assignee
Schering 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 Schering AG filed Critical Schering AG
Publication of GB1377975A publication Critical patent/GB1377975A/en
Expired legal-status Critical Current

Links

Landscapes

  • Steroid Compounds (AREA)
GB5173971A 1970-11-10 1971-11-08 17alpha-hydroxy-16alpha,18-dimethyl-delta4-pregnene-3,20-dione and its esters Expired GB1377975A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702056512 DE2056512A1 (de) 1970-11-10 1970-11-10 17 alpha-Hydroxy-16 alpha, 18-dimethyl-4-pregnen-3,20-dion und seine Ester

Publications (1)

Publication Number Publication Date
GB1377975A true GB1377975A (en) 1974-12-18

Family

ID=5788360

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5173971A Expired GB1377975A (en) 1970-11-10 1971-11-08 17alpha-hydroxy-16alpha,18-dimethyl-delta4-pregnene-3,20-dione and its esters

Country Status (11)

Country Link
AT (3) AT319490B (fr)
BE (1) BE775190A (fr)
CH (3) CH601348A5 (fr)
CS (3) CS166290B2 (fr)
DE (1) DE2056512A1 (fr)
DK (1) DK127851B (fr)
ES (1) ES394771A1 (fr)
FR (1) FR2113873B1 (fr)
GB (1) GB1377975A (fr)
HU (1) HU163628B (fr)
NL (1) NL7115418A (fr)

Also Published As

Publication number Publication date
HU163628B (fr) 1973-09-27
DE2056512B2 (fr) 1980-04-03
ES394771A1 (es) 1974-03-01
BE775190A (fr) 1972-05-10
FR2113873A1 (fr) 1972-06-30
AT319489B (de) 1974-12-27
FR2113873B1 (fr) 1975-03-14
CH591519A5 (fr) 1977-09-30
CS166291B2 (fr) 1976-02-27
DK127851B (da) 1974-01-21
CH590886A5 (fr) 1977-08-31
NL7115418A (fr) 1972-05-15
AT308985B (de) 1973-07-25
DE2056512A1 (de) 1972-05-18
CS166289B2 (fr) 1976-02-27
DE2056512C3 (fr) 1980-12-04
AT319490B (de) 1974-12-27
CS166290B2 (fr) 1976-02-27
CH601348A5 (fr) 1978-07-14

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee