NL7502220A - Werkwijze ter bereiding van 19-nor-delta4-andro- steen 3,17-dion. - Google Patents

Werkwijze ter bereiding van 19-nor-delta4-andro- steen 3,17-dion.

Info

Publication number
NL7502220A
NL7502220A NL7502220A NL7502220A NL7502220A NL 7502220 A NL7502220 A NL 7502220A NL 7502220 A NL7502220 A NL 7502220A NL 7502220 A NL7502220 A NL 7502220A NL 7502220 A NL7502220 A NL 7502220A
Authority
NL
Netherlands
Prior art keywords
androstone
delta4
dion
preparing
Prior art date
Application number
NL7502220A
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
Application filed by Mitsubishi Chem Ind filed Critical Mitsubishi Chem Ind
Publication of NL7502220A publication Critical patent/NL7502220A/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
    • C07J1/0059—Estrane derivatives substituted in position 17 by a keto group
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
NL7502220A 1974-02-26 1975-02-25 Werkwijze ter bereiding van 19-nor-delta4-andro- steen 3,17-dion. NL7502220A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2253474A JPS5440536B2 (US06342305-20020129-C00040.png) 1974-02-26 1974-02-26

Publications (1)

Publication Number Publication Date
NL7502220A true NL7502220A (nl) 1975-08-28

Family

ID=12085453

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7502220A NL7502220A (nl) 1974-02-26 1975-02-25 Werkwijze ter bereiding van 19-nor-delta4-andro- steen 3,17-dion.

Country Status (7)

Country Link
US (1) US3963766A (US06342305-20020129-C00040.png)
JP (1) JPS5440536B2 (US06342305-20020129-C00040.png)
CH (1) CH595397A5 (US06342305-20020129-C00040.png)
DE (1) DE2508110A1 (US06342305-20020129-C00040.png)
FR (1) FR2262046A1 (US06342305-20020129-C00040.png)
GB (1) GB1489987A (US06342305-20020129-C00040.png)
NL (1) NL7502220A (US06342305-20020129-C00040.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014038023A (ja) * 2012-08-14 2014-02-27 Hitachi Vehicle Energy Ltd 地絡検出回路、電源装置

Also Published As

Publication number Publication date
JPS50112350A (US06342305-20020129-C00040.png) 1975-09-03
FR2262046A1 (US06342305-20020129-C00040.png) 1975-09-19
JPS5440536B2 (US06342305-20020129-C00040.png) 1979-12-04
GB1489987A (en) 1977-10-26
CH595397A5 (US06342305-20020129-C00040.png) 1978-02-15
US3963766A (en) 1976-06-15
DE2508110A1 (de) 1975-08-28

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Legal Events

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BB A search report has been drawn up
BV The patent application has lapsed