IL38952A - Process for preparing 17alpha-ethynylestriols - Google Patents

Process for preparing 17alpha-ethynylestriols

Info

Publication number
IL38952A
IL38952A IL38952A IL3895272A IL38952A IL 38952 A IL38952 A IL 38952A IL 38952 A IL38952 A IL 38952A IL 3895272 A IL3895272 A IL 3895272A IL 38952 A IL38952 A IL 38952A
Authority
IL
Israel
Prior art keywords
formula
isomer
acetonide
reacting
yield
Prior art date
Application number
IL38952A
Other languages
English (en)
Other versions
IL38952A0 (en
Original Assignee
Lilly Co Eli
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
Priority claimed from US127771A external-priority patent/US3697558A/en
Priority claimed from US00134420A external-priority patent/US3813419A/en
Application filed by Lilly Co Eli filed Critical Lilly Co Eli
Publication of IL38952A0 publication Critical patent/IL38952A0/xx
Publication of IL38952A publication Critical patent/IL38952A/en

Links

Classifications

    • 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
    • A61K31/565—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
    • A61K31/567—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol substituted in position 17 alpha, e.g. mestranol, norethandrolone
    • 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
    • A61K31/565—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Steroid Compounds (AREA)
IL38952A 1971-03-24 1972-03-10 Process for preparing 17alpha-ethynylestriols IL38952A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12769071A 1971-03-24 1971-03-24
US127771A US3697558A (en) 1971-03-24 Preparation of 17alpha-ethynylestriol
US00134420A US3813419A (en) 1971-03-24 1971-04-15 Preparation of phenolic ethers
US13667171A 1971-04-23 1971-04-23

Publications (2)

Publication Number Publication Date
IL38952A0 IL38952A0 (en) 1972-05-30
IL38952A true IL38952A (en) 1976-04-30

Family

ID=27494695

Family Applications (1)

Application Number Title Priority Date Filing Date
IL38952A IL38952A (en) 1971-03-24 1972-03-10 Process for preparing 17alpha-ethynylestriols

Country Status (14)

Country Link
AU (1) AU461293B2 (de)
BE (1) BE781099A (de)
CA (1) CA973871A (de)
CS (1) CS173592B2 (de)
DD (1) DD95567A5 (de)
DE (1) DE2213482A1 (de)
FR (1) FR2130683B1 (de)
GB (1) GB1336703A (de)
IE (1) IE36944B1 (de)
IL (1) IL38952A (de)
NL (1) NL7204019A (de)
PL (1) PL75312B2 (de)
SE (1) SE378427B (de)
ZA (1) ZA721523B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109721634B (zh) * 2019-01-24 2021-08-03 上海新华联制药有限公司 一种尼尔雌醇的合成工艺
CN109705182B (zh) * 2019-01-24 2021-08-31 上海新华联制药有限公司 一种尼尔雌醇的制备方法

Also Published As

Publication number Publication date
AU461293B2 (en) 1975-05-22
CA973871A (en) 1975-09-02
IE36944B1 (en) 1977-03-30
GB1336703A (en) 1973-11-07
DE2213482A1 (de) 1972-09-28
AU3982772A (en) 1973-09-13
SE378427B (de) 1975-09-01
ZA721523B (en) 1973-10-31
IL38952A0 (en) 1972-05-30
BE781099A (fr) 1972-09-25
IE36944L (en) 1972-09-25
DD95567A5 (de) 1973-02-12
CS173592B2 (de) 1977-02-28
FR2130683B1 (de) 1976-04-16
FR2130683A1 (de) 1972-11-03
PL75312B2 (en) 1974-12-31
NL7204019A (de) 1972-09-26

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