NL7704220A - PROCESS FOR PREPARING 17-ACETALS OF 3-ALKOXYESTRA-2.5 (10) -DIEEN-17-ONEN. - Google Patents

PROCESS FOR PREPARING 17-ACETALS OF 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
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/en
Priority claimed from JP14683576A external-priority patent/JPS5371053A/en
Application filed by Mitsubishi Chem Ind filed Critical Mitsubishi Chem Ind
Publication of NL7704220A publication Critical patent/NL7704220A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J1/00Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0051Estrane derivatives
    • C07J1/0081Substituted in position 17 alfa and 17 beta
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J21/00Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C07J21/005Ketals
    • C07J21/008Ketals 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 PROCESS FOR PREPARING 17-ACETALS OF 3-ALKOXYESTRA-2.5 (10) -DIEEN-17-ONEN. NL7704220A (en)

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 (en) 1977-10-21

Family

ID=26384146

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7704220A NL7704220A (en) 1976-04-19 1977-04-18 PROCESS FOR PREPARING 17-ACETALS OF 3-ALKOXYESTRA-2.5 (10) -DIEEN-17-ONEN.

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59141600A (en) * 1983-02-02 1984-08-14 Mitsubishi Chem Ind Ltd Preparation of estrone

Also Published As

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

Similar Documents

Publication Publication Date Title
NL7703514A (en) PROCESS FOR PREPARING TRIAZOLOPYRIMIDINS.
NL7709107A (en) PROCESS FOR PREPARING POLYURETHANUREA.
NL7611711A (en) PROCESS FOR PREPARING 9 (ALPHA) -HYDROXYANDROSTEEN-DION.
NL7706914A (en) PROCESS FOR THE PREPARATION OF HARDABLE MIXTURES.
NL7707467A (en) PROCESS FOR PREPARING HEXAHYDRODIBENZO-PYRANO COMPOUNDS.
NL7707421A (en) PROCESS FOR THE PREPARATION OF RONGRAST CONTRAST AGENTS.
NL7702957A (en) PROCESS FOR THE PREPARATION OF NITROGENIC COMPOUNDS.
NL7711240A (en) PROCESS FOR PREPARING 1.4: 3.6-DIANHYDRO-D-GLUCITOL-2 NITRATE.
NL7701128A (en) PROCESS FOR PREPARING META-ARYLOXY-BENZALDEHYDES.
NL7702169A (en) PROCESS FOR PREPARING POLY-N-BUTENS.
NL186692C (en) PROCESS FOR PREPARING PENT-3-ACID.
NL7709055A (en) PROCESS FOR THE PREPARATION OF 3-CHLORCEPHALOSPORIN DERIVATIVES.
NL7613823A (en) PROCESS FOR PREPARING COATINGS.
NL7707200A (en) PROCESS FOR PREPARING CYCLOPENTANDERI VARIES.
NL7704530A (en) PROCESS FOR PREPARING NEW INDAZOLYL- (4) -OXYPROPANOLAMINS.
NL7700908A (en) PROCESS FOR THE PREPARATION OF FAUJASITE.
NL7700539A (en) PROCESS FOR THE PREPARATION OF ACID AMIDES.
NL7705086A (en) PROCESS FOR THE PREPARATION OF MELTES.
NL7703928A (en) PROCESS FOR PREPARING MIXTURES CONTAINING POLYEPOXIDE-ETHER.
NL7602330A (en) PROCESS FOR PREPARING DITHIOAZOLES OR AZOLINS.
NL7614135A (en) PROCESS FOR PREPARATION OF 1.2-BENZOTHIAZINE -3-CARBOXAMIDES.
NL7708981A (en) PROCESS FOR PREPARING VERY PURE S-CARBO-XYMETHYL-L-CYSTEINE.
NL7709238A (en) PROCESS FOR PREPARING SUBSTITUTED BENZIMIDAZOLS
NL7712163A (en) PROCESS FOR PREPARING 3-ACYLAMINOAZETIDINE 2-ONES.
NL7702546A (en) PROCESS FOR THE PREPARATION OF HYDROGEN.

Legal Events

Date Code Title Description
BB A search report has been drawn up
BV The patent application has lapsed