GB1364193A - 16-alkyl-17 20 21-trihydroxy-pregna 4 9/11/-dien-3-ones and deri vatives thereof - Google Patents

16-alkyl-17 20 21-trihydroxy-pregna 4 9/11/-dien-3-ones and deri vatives thereof

Info

Publication number
GB1364193A
GB1364193A GB1760772A GB1760772A GB1364193A GB 1364193 A GB1364193 A GB 1364193A GB 1760772 A GB1760772 A GB 1760772A GB 1760772 A GB1760772 A GB 1760772A GB 1364193 A GB1364193 A GB 1364193A
Authority
GB
United Kingdom
Prior art keywords
alkyl
give compounds
dien
ones
compounds
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
GB1760772A
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.)
Pharmacia and Upjohn Co
Original Assignee
Upjohn Co
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 Upjohn Co filed Critical Upjohn Co
Publication of GB1364193A publication Critical patent/GB1364193A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1760772A 1971-04-23 1972-04-17 16-alkyl-17 20 21-trihydroxy-pregna 4 9/11/-dien-3-ones and deri vatives thereof Expired GB1364193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13705171A 1971-04-23 1971-04-23

Publications (1)

Publication Number Publication Date
GB1364193A true GB1364193A (en) 1974-08-21

Family

ID=22475614

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1760772A Expired GB1364193A (en) 1971-04-23 1972-04-17 16-alkyl-17 20 21-trihydroxy-pregna 4 9/11/-dien-3-ones and deri vatives thereof
GB4236473A Expired GB1364195A (en) 1971-04-23 1972-04-17 Acetals and ketals of 20 21-dihydroxy-prgnane compounds
GB4236373A Expired GB1364194A (en) 1971-04-23 1972-04-17 Acetals and ketals of 20 21-dihydroxy-pregnane compounds

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB4236473A Expired GB1364195A (en) 1971-04-23 1972-04-17 Acetals and ketals of 20 21-dihydroxy-prgnane compounds
GB4236373A Expired GB1364194A (en) 1971-04-23 1972-04-17 Acetals and ketals of 20 21-dihydroxy-pregnane compounds

Country Status (6)

Country Link
US (1) US3725392A (enExample)
CH (1) CH593301A5 (enExample)
DE (1) DE2217814A1 (enExample)
FR (1) FR2134420B1 (enExample)
GB (3) GB1364193A (enExample)
NL (1) NL7205456A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189430A (en) * 1978-07-31 1980-02-19 The Upjohn Company Epoxide process
US4442035A (en) * 1982-09-30 1984-04-10 The Upjohn Company Acyclic amine epoxide process
CN109180764B (zh) * 2018-11-13 2020-12-11 湖南科瑞生物制药股份有限公司 一种制备16a，21-双乙酰氧基泼尼松龙产品的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182056A (en) * 1963-06-21 1965-05-04 Schering Corp 9(11)-dehydro-17, 21-alkylidenedioxy pregnenes

Also Published As

Publication number Publication date
US3725392A (en) 1973-04-03
DE2217814A1 (de) 1972-11-09
GB1364194A (en) 1974-08-21
GB1364195A (en) 1974-08-21
FR2134420B1 (enExample) 1973-07-13
NL7205456A (enExample) 1972-10-25
CH593301A5 (enExample) 1977-11-30
FR2134420A1 (enExample) 1972-12-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee