ES461263A1 - Un procedimiento para preparar 21, 21-dihalo-esteroides. - Google Patents

Un procedimiento para preparar 21, 21-dihalo-esteroides.

Info

Publication number
ES461263A1
ES461263A1 ES461263A ES461263A ES461263A1 ES 461263 A1 ES461263 A1 ES 461263A1 ES 461263 A ES461263 A ES 461263A ES 461263 A ES461263 A ES 461263A ES 461263 A1 ES461263 A1 ES 461263A1
Authority
ES
Spain
Prior art keywords
chloro
fluoro
steroids
dihalo
bromo
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
ES461263A
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.)
Syntex USA LLC
Original Assignee
Syntex USA LLC
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 Syntex USA LLC filed Critical Syntex USA LLC
Publication of ES461263A1 publication Critical patent/ES461263A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • C07J71/0005—Oxygen-containing hetero ring
    • C07J71/0026—Oxygen-containing hetero ring cyclic ketals
    • C07J71/0031—Oxygen-containing hetero ring cyclic ketals at positions 16, 17
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Rheumatology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pain & Pain Management (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Un procedimiento para preparar 21, 21-di-halo esteroides, caracterizado porque comprende someter a reacción de hidrofluoración un compuesto representado por la fórmula: **(Fórmula)** en donde X e flúor, cloro o hidrógeno, C4 es flúor o cloro, y Hal puede ser flúor o cloro, para formar un compuesto.
ES461263A 1976-08-02 1977-08-01 Un procedimiento para preparar 21, 21-dihalo-esteroides. Expired ES461263A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/711,042 US4065452A (en) 1976-08-02 1976-08-02 21,21-Dihalo steroids

Publications (1)

Publication Number Publication Date
ES461263A1 true ES461263A1 (es) 1978-12-01

Family

ID=24856567

Family Applications (1)

Application Number Title Priority Date Filing Date
ES461263A Expired ES461263A1 (es) 1976-08-02 1977-08-01 Un procedimiento para preparar 21, 21-dihalo-esteroides.

Country Status (12)

Country Link
US (1) US4065452A (es)
JP (1) JPS5331652A (es)
AU (1) AU2744877A (es)
BE (1) BE857303A (es)
DE (1) DE2734166A1 (es)
ES (1) ES461263A1 (es)
FR (1) FR2360605A1 (es)
GB (1) GB1576550A (es)
NL (1) NL7708285A (es)
NZ (1) NZ184768A (es)
SE (1) SE7708672L (es)
ZA (1) ZA774666B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62279903A (ja) * 1986-05-29 1987-12-04 矢口　勇吉 外装パネルの製造装置と製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892857A (en) * 1972-11-24 1975-07-01 Squibb & Sons Inc Steroid formulation

Also Published As

Publication number Publication date
FR2360605A1 (fr) 1978-03-03
AU2744877A (en) 1979-02-01
DE2734166A1 (de) 1978-02-09
US4065452A (en) 1977-12-27
GB1576550A (en) 1980-10-08
ZA774666B (en) 1979-03-28
JPS5331652A (en) 1978-03-25
BE857303A (fr) 1978-01-30
NL7708285A (nl) 1978-02-06
NZ184768A (en) 1979-08-31
SE7708672L (sv) 1978-02-03

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