[go: up one dir, main page]

FR1212872A - Process for preparing steroids of the pregnane series, in particular a 16-alpha, 21-dialkanoyloxy-17-alpha-hydroxy-4, 9 (11) -prégnadiene-3, 20-dione - Google Patents

Process for preparing steroids of the pregnane series, in particular a 16-alpha, 21-dialkanoyloxy-17-alpha-hydroxy-4, 9 (11) -prégnadiene-3, 20-dione

Info

Publication number
FR1212872A
FR1212872A FR1212872DA FR1212872A FR 1212872 A FR1212872 A FR 1212872A FR 1212872D A FR1212872D A FR 1212872DA FR 1212872 A FR1212872 A FR 1212872A
Authority
FR
France
Prior art keywords
alpha
prégnadiene
dialkanoyloxy
dione
hydroxy
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
Other languages
French (fr)
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of FR1212872A publication Critical patent/FR1212872A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J5/00Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J75/00Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
FR1212872D 1957-09-27 1958-09-26 Process for preparing steroids of the pregnane series, in particular a 16-alpha, 21-dialkanoyloxy-17-alpha-hydroxy-4, 9 (11) -prégnadiene-3, 20-dione Expired FR1212872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1212872XA 1957-09-27 1957-09-27

Publications (1)

Publication Number Publication Date
FR1212872A true FR1212872A (en) 1960-03-28

Family

ID=22395708

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1212872D Expired FR1212872A (en) 1957-09-27 1958-09-26 Process for preparing steroids of the pregnane series, in particular a 16-alpha, 21-dialkanoyloxy-17-alpha-hydroxy-4, 9 (11) -prégnadiene-3, 20-dione

Country Status (1)

Country Link
FR (1) FR1212872A (en)

Similar Documents

Publication Publication Date Title
CH377338A (en) Process for the preparation of steroids of the Androstane series
FR1212872A (en) Process for preparing steroids of the pregnane series, in particular a 16-alpha, 21-dialkanoyloxy-17-alpha-hydroxy-4, 9 (11) -prégnadiene-3, 20-dione
CH369756A (en) Process for the preparation of allopregnan-20-hydroxy-3-one and allopregnan-3,20-dione
CH415617A (en) Process for the preparation of 17-alpha-amino steroids in the androstene series
FR1208443A (en) Process for the synthesis of steroids of the pregnene series, in particular of an 11-beta, 12-beta-epoxypregnan-3-alpha, 20-diol
FR1344151A (en) Process for the preparation of a 20-hydroperoxy steroid of the pregnane series
FR1237729A (en) Process for the preparation of delta 20-keto 21-acetoxy steroids of the pregnane and allopregnane series
FR1355505A (en) Process for the preparation of 6-fluoro steroids of the androstene series
FR1283807A (en) Process for the dehydration of hydroxy steroids of the Androstane and Pregnane series
FR1271460A (en) Process for the preparation of 1, 4-pregnadiene-11-beta, 17-alpha, 21-triol, 3, 20-dione and its 21-esters
BE588480A (en) Process for preparing 16-methyl-steroids of the pregnane series, in particular 16alpha-methyl-17alpha-hydroxy-20-keto-pregnans
FR1224830A (en) Process for preparing methyl or halogenomethyl steroids, in particular in the pregnane series
FR1269109A (en) Process for the preparation of 20, 21-ketols of the Pregnane series and their 21-esters
FR1271454A (en) Process for the preparation of 9-alpha-halo-11-oxygen-17-alpha-21-dihydroxy-1, 4-pregnadiene-3, 20-diones
FR1269586A (en) Process for preparing a novel dexamethasone ester, in particular delta-16alpha-methyl-9alpha-fluoro-pregnadiene-11beta, 17alpha, 21-triol-3, 20-dione 21-trimethylacetate
FR1497452A (en) Process for the preparation of novel steroid compounds 11 oxygen-17 alphahydroxy-3, 20-diones of the Pregnane series
FR1241715A (en) New process for the preparation of substituted 16-methyl pregnanes 3,20-diones
BE580319A (en) Process for preparing a novel dexamethasone ester, in particular 21-trimethylacetate from Delta <1,4> -16alpha-methyl-9alpha-fluoro-pregnadiene-11beta, 17alpha, 21-triol-3,20-dione
FR1430856A (en) Process for the manufacture of esters of steroids more particularly of 17-esters of unsaturated 17alpha-hydroxy-pregnan-3,20-diones
FR1269555A (en) Process for the preparation of new 21-hemiesters of corticosteroid steroids
DK108138C (en) Process for the preparation of 16α-methyl-11β, 17α, 21-trihydroxy-4-pergene-3,20-dione.
FR1274415A (en) Process for the preparation of new fluorinated steroids of the pregnane and androstane series
FR1215526A (en) Process for the synthesis of steroids, in particular 12 alpha halogenated pregnane series
DK89184C (en) Process for the preparation of 6β-methyl-3-oxo-Δ <4> steroids from the androstane and pregnane series.
BE587108A (en) Process for the preparation of 16-methylene steroids