NL7704220A - Werkwijze ter bereiding van 17-acetalen van 3-alkoxyestra-2.5(10)-dieen-17-onen. - Google Patents

Werkwijze ter bereiding van 17-acetalen van 3-alkoxyestra-2.5(10)-dieen-17-onen.

Info

Publication number
NL7704220A
NL7704220A NL7704220A NL7704220A NL7704220A NL 7704220 A NL7704220 A NL 7704220A NL 7704220 A NL7704220 A NL 7704220A NL 7704220 A NL7704220 A NL 7704220A NL 7704220 A NL7704220 A NL 7704220A
Authority
NL
Netherlands
Prior art keywords
alkoxyestra
dieen
onen
acetals
preparing
Prior art date
Application number
NL7704220A
Other languages
English (en)
Dutch (nl)
Original Assignee
Mitsubishi Chem Ind
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 JP4429576A external-priority patent/JPS52128362A/ja
Priority claimed from JP14683576A external-priority patent/JPS5371053A/ja
Application filed by Mitsubishi Chem Ind filed Critical Mitsubishi Chem Ind
Publication of NL7704220A publication Critical patent/NL7704220A/xx

Links

Classifications

    • 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
    • C07J1/0051—Estrane derivatives
    • C07J1/0081—Substituted in position 17 alfa and 17 beta
    • 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
    • C07J21/005—Ketals
    • C07J21/008—Ketals at position 17

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
NL7704220A 1976-04-19 1977-04-18 Werkwijze ter bereiding van 17-acetalen van 3-alkoxyestra-2.5(10)-dieen-17-onen. NL7704220A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4429576A JPS52128362A (en) 1976-04-19 1976-04-19 Preparation of 17-acetal of 3-alkoxyestra-2,5(10)-diene-17-one
JP14683576A JPS5371053A (en) 1976-12-07 1976-12-07 Preparation of 17-acetal of 3-alkoxyestra-2,5(10)-diene-17-one

Publications (1)

Publication Number Publication Date
NL7704220A true NL7704220A (nl) 1977-10-21

Family

ID=26384146

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7704220A NL7704220A (nl) 1976-04-19 1977-04-18 Werkwijze ter bereiding van 17-acetalen van 3-alkoxyestra-2.5(10)-dieen-17-onen.

Country Status (5)

Country Link
DD (1) DD132347A5 (xx)
DE (1) DE2717310A1 (xx)
FR (1) FR2348931A1 (xx)
GB (1) GB1527699A (xx)
NL (1) NL7704220A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59141600A (ja) * 1983-02-02 1984-08-14 Mitsubishi Chem Ind Ltd エストロンの製造法

Also Published As

Publication number Publication date
FR2348931A1 (fr) 1977-11-18
FR2348931B1 (xx) 1980-06-06
DE2717310A1 (de) 1977-11-03
DD132347A5 (de) 1978-09-20
GB1527699A (en) 1978-10-04

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Legal Events

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