AT309708B - Process for the preparation of the new 1,2α-methylene-6,7α-difluoromethylene-20-spirox-4-en-3-one - Google Patents

Process for the preparation of the new 1,2α-methylene-6,7α-difluoromethylene-20-spirox-4-en-3-one

Info

Publication number
AT309708B
AT309708B AT596071A AT596071A AT309708B AT 309708 B AT309708 B AT 309708B AT 596071 A AT596071 A AT 596071A AT 596071 A AT596071 A AT 596071A AT 309708 B AT309708 B AT 309708B
Authority
AT
Austria
Prior art keywords
spirox
difluoromethylene
methylene
preparation
new
Prior art date
Application number
AT596071A
Other languages
German (de)
Original Assignee
Merck & Co Inc
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 Merck & Co Inc filed Critical Merck & Co Inc
Application granted granted Critical
Publication of AT309708B publication Critical patent/AT309708B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Steroid Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Plural Heterocyclic Compounds (AREA)
AT596071A 1970-07-15 1971-07-08 Process for the preparation of the new 1,2α-methylene-6,7α-difluoromethylene-20-spirox-4-en-3-one AT309708B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5525570A 1970-07-15 1970-07-15

Publications (1)

Publication Number Publication Date
AT309708B true AT309708B (en) 1973-08-27

Family

ID=21996704

Family Applications (1)

Application Number Title Priority Date Filing Date
AT596071A AT309708B (en) 1970-07-15 1971-07-08 Process for the preparation of the new 1,2α-methylene-6,7α-difluoromethylene-20-spirox-4-en-3-one

Country Status (10)

Country Link
JP (1) JPS5330710B1 (en)
AT (1) AT309708B (en)
CA (1) CA952099A (en)
CH (2) CH584722A5 (en)
ES (1) ES393227A1 (en)
HU (1) HU163009B (en)
NL (1) NL7109604A (en)
PL (1) PL82062B1 (en)
SE (1) SE366306B (en)
YU (1) YU34592B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233811U (en) * 1988-08-25 1990-03-02

Also Published As

Publication number Publication date
PL82062B1 (en) 1975-10-31
JPS5330710B1 (en) 1978-08-29
HU163009B (en) 1973-05-28
CH584722A5 (en) 1977-02-15
YU178071A (en) 1979-02-28
NL7109604A (en) 1972-01-18
SE366306B (en) 1974-04-22
CH584723A5 (en) 1977-02-15
ES393227A1 (en) 1974-09-16
YU34592B (en) 1979-10-31
CA952099A (en) 1974-07-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee