CA1073449A - 21-acetals and mixed acetals of steroidal 21-aldehydes, intermediates and methods of preparation - Google Patents

21-acetals and mixed acetals of steroidal 21-aldehydes, intermediates and methods of preparation

Info

Publication number
CA1073449A
CA1073449A CA256,323A CA256323A CA1073449A CA 1073449 A CA1073449 A CA 1073449A CA 256323 A CA256323 A CA 256323A CA 1073449 A CA1073449 A CA 1073449A
Authority
CA
Canada
Prior art keywords
dione
chloro
ether
diene
acetonide
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
CA256,323A
Other languages
English (en)
French (fr)
Inventor
Denis J. Kertesz
Michael Marx
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
Application granted granted Critical
Publication of CA1073449A publication Critical patent/CA1073449A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J71/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
    • C07J71/0005Oxygen-containing hetero ring
    • C07J71/0026Oxygen-containing hetero ring cyclic ketals
    • C07J71/0031Oxygen-containing hetero ring cyclic ketals at positions 16, 17
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-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)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Rheumatology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Pain & Pain Management (AREA)
  • Steroid Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA256,323A 1975-07-07 1976-07-05 21-acetals and mixed acetals of steroidal 21-aldehydes, intermediates and methods of preparation Expired CA1073449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/593,903 US4011315A (en) 1975-07-07 1975-07-07 21-acetals and mixed acetals of steroidal 21-aldehydes, intermediates and methods of preparation

Publications (1)

Publication Number Publication Date
CA1073449A true CA1073449A (en) 1980-03-11

Family

ID=24376687

Family Applications (1)

Application Number Title Priority Date Filing Date
CA256,323A Expired CA1073449A (en) 1975-07-07 1976-07-05 21-acetals and mixed acetals of steroidal 21-aldehydes, intermediates and methods of preparation

Country Status (18)

Country Link
US (1) US4011315A (US06262066-20010717-C00315.png)
JP (1) JPS5225773A (US06262066-20010717-C00315.png)
AU (1) AU507071B2 (US06262066-20010717-C00315.png)
BE (1) BE843713A (US06262066-20010717-C00315.png)
CA (1) CA1073449A (US06262066-20010717-C00315.png)
CH (2) CH626633A5 (US06262066-20010717-C00315.png)
DE (1) DE2630270A1 (US06262066-20010717-C00315.png)
ES (2) ES449642A1 (US06262066-20010717-C00315.png)
FR (1) FR2316959A1 (US06262066-20010717-C00315.png)
GB (1) GB1529249A (US06262066-20010717-C00315.png)
HK (1) HK8680A (US06262066-20010717-C00315.png)
IE (1) IE43979B1 (US06262066-20010717-C00315.png)
MX (1) MX4075E (US06262066-20010717-C00315.png)
MY (1) MY8000276A (US06262066-20010717-C00315.png)
NL (1) NL7607432A (US06262066-20010717-C00315.png)
NZ (1) NZ181368A (US06262066-20010717-C00315.png)
SE (1) SE432937B (US06262066-20010717-C00315.png)
ZA (1) ZA764050B (US06262066-20010717-C00315.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181720A (en) * 1978-04-05 1980-01-01 Syntex (U.S.A.) Inc. Corticosteroid antiinflammatory agents
US4317817A (en) * 1979-08-27 1982-03-02 Richardson-Merrell Inc. Novel steroid 5α-reductase inhibitors
US4340538A (en) * 1980-07-21 1982-07-20 The Upjohn Company Process for producing 6α-fluoro-Δ1,4 -3-keto steroids
RU2186759C2 (ru) * 2000-09-11 2002-08-10 Общество с ограниченной ответственностью "ИНИС" Способ получения 1,2-дихлорэтана

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036282A (en) * 1963-09-10 1966-07-20 Ici Ltd Pregnane-aldehyde and derivatives thereof
CH502328A (de) * 1966-12-09 1971-01-31 Ciba Geigy Ag Verfahren zur Herstellung von Aldehyden der Pregnanreihe und ihrer Derivate

Also Published As

Publication number Publication date
CH628067A5 (de) 1982-02-15
NZ181368A (en) 1978-06-20
ES460829A1 (es) 1978-04-16
HK8680A (en) 1980-03-14
SE432937B (sv) 1984-04-30
US4011315A (en) 1977-03-08
FR2316959A1 (fr) 1977-02-04
MY8000276A (en) 1980-12-31
CH626633A5 (US06262066-20010717-C00315.png) 1981-11-30
ZA764050B (en) 1978-02-22
IE43979B1 (en) 1981-07-15
MX4075E (es) 1981-12-04
ES449642A1 (es) 1978-04-01
BE843713A (fr) 1977-01-03
FR2316959B1 (US06262066-20010717-C00315.png) 1978-11-17
JPS5225773A (en) 1977-02-25
AU507071B2 (en) 1980-01-31
SE7607671L (sv) 1977-01-08
AU1556976A (en) 1978-01-12
DE2630270A1 (de) 1977-01-27
GB1529249A (en) 1978-10-18
NL7607432A (nl) 1977-01-11

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Legal Events

Date Code Title Description
MKEX Expiry