CH503009A - Process for the preparation of 19-nor-pregna-4,6-diene-3,20-dione - Google Patents

Process for the preparation of 19-nor-pregna-4,6-diene-3,20-dione

Info

Publication number
CH503009A
CH503009A CH3471A CH3471A CH503009A CH 503009 A CH503009 A CH 503009A CH 3471 A CH3471 A CH 3471A CH 3471 A CH3471 A CH 3471A CH 503009 A CH503009 A CH 503009A
Authority
CH
Switzerland
Prior art keywords
pregna
dione
diene
preparation
Prior art date
Application number
CH3471A
Other languages
German (de)
Inventor
John S Baran
Ivar Laos
Original Assignee
Searle & 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 Searle & Co filed Critical Searle & Co
Publication of CH503009A publication Critical patent/CH503009A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/57—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J61/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by contraction of only one ring by one or two atoms

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Steroid Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH3471A 1967-12-08 1968-12-06 Process for the preparation of 19-nor-pregna-4,6-diene-3,20-dione CH503009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68898867A 1967-12-08 1967-12-08

Publications (1)

Publication Number Publication Date
CH503009A true CH503009A (en) 1971-02-15

Family

ID=24766615

Family Applications (3)

Application Number Title Priority Date Filing Date
CH3471A CH503009A (en) 1967-12-08 1968-12-06 Process for the preparation of 19-nor-pregna-4,6-diene-3,20-dione
CH3371A CH503008A (en) 1967-12-08 1968-12-06 Process for the preparation of 17-acyloxy- or. 17a-Hydroxy-11B-methyl-19-nor-pregn-4-ene-3,20-dione
CH1830968A CH503004A (en) 1967-12-08 1968-12-06 Process for preparing 17a-acyloxy-11B-methyl-19-norpregn-4-ene-3,20-dione or 6-derivatives of these compounds

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH3371A CH503008A (en) 1967-12-08 1968-12-06 Process for the preparation of 17-acyloxy- or. 17a-Hydroxy-11B-methyl-19-nor-pregn-4-ene-3,20-dione
CH1830968A CH503004A (en) 1967-12-08 1968-12-06 Process for preparing 17a-acyloxy-11B-methyl-19-norpregn-4-ene-3,20-dione or 6-derivatives of these compounds

Country Status (17)

Country Link
AT (4) AT293634B (en)
BE (1) BE725078A (en)
CH (3) CH503009A (en)
CY (1) CY756A (en)
DE (1) DE1813083B2 (en)
DK (1) DK124882B (en)
ES (5) ES361100A1 (en)
FI (1) FI45552C (en)
FR (1) FR8324M (en)
GB (1) GB1235742A (en)
IE (1) IE32820B1 (en)
IL (1) IL31232A (en)
MY (1) MY7400268A (en)
NL (1) NL155556B (en)
NO (1) NO129570B (en)
SE (3) SE365211B (en)
YU (2) YU33974B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH606088A5 (en) * 1970-07-29 1978-10-13 Richter Gedeon Vegyeszet
HU230397B1 (en) * 2013-11-25 2016-04-28 Richter Gedeon Nyrt. Process for preparing (11b,17a)-17-acetoxy-11-methyl-19-norpregn-4-en-3,20-dion
CN109575098B (en) * 2019-01-18 2021-01-01 湖南成大生物科技有限公司 Synthetic method of norgestimate

Also Published As

Publication number Publication date
DE1813083A1 (en) 1969-10-02
IE32820B1 (en) 1973-12-12
CY756A (en) 1974-09-18
CH503004A (en) 1971-02-15
ES379193A1 (en) 1972-09-01
SE345263B (en) 1972-05-23
MY7400268A (en) 1974-12-31
ES361100A1 (en) 1970-10-16
YU65275A (en) 1978-10-31
AT297954B (en) 1972-04-25
IL31232A0 (en) 1969-02-27
YU33974B (en) 1978-09-08
SE365210B (en) 1974-03-18
YU34301B (en) 1979-04-30
ES379194A1 (en) 1972-09-01
AT293634B (en) 1971-10-25
DK124882B (en) 1972-12-04
FR8324M (en) 1970-12-07
CH503008A (en) 1971-02-15
IE32820L (en) 1969-06-08
YU287368A (en) 1978-02-28
SE365211B (en) 1974-03-18
FI45552B (en) 1972-04-04
AT297955B (en) 1972-04-25
DE1813083C3 (en) 1974-09-19
GB1235742A (en) 1971-06-16
IL31232A (en) 1972-12-29
NL155556B (en) 1978-01-16
BE725078A (en) 1969-06-06
NO129570B (en) 1974-04-29
FI45552C (en) 1972-07-10
ES379195A1 (en) 1972-09-01
NL6817626A (en) 1969-06-10
DE1813083B2 (en) 1974-02-07
AT301055B (en) 1972-08-25
ES379196A1 (en) 1972-09-01

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Legal Events

Date Code Title Description
PL Patent ceased