CH547271A - Verfahren zur herstellung neuer gem-difluorsteroide. - Google Patents

Verfahren zur herstellung neuer gem-difluorsteroide.

Info

Publication number
CH547271A
CH547271A CH296470A CH547271DA CH547271A CH 547271 A CH547271 A CH 547271A CH 296470 A CH296470 A CH 296470A CH 547271D A CH547271D A CH 547271DA CH 547271 A CH547271 A CH 547271A
Authority
CH
Switzerland
Prior art keywords
difluor
steroids
producing new
new gem
gem
Prior art date
Application number
CH296470A
Other languages
English (en)
Original Assignee
Syntex Corp
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 Syntex Corp filed Critical Syntex Corp
Publication of CH547271A publication Critical patent/CH547271A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
CH296470A 1969-03-03 1970-02-27 Verfahren zur herstellung neuer gem-difluorsteroide. CH547271A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80395569A 1969-03-03 1969-03-03

Publications (1)

Publication Number Publication Date
CH547271A true CH547271A (de) 1974-03-29

Family

ID=25187844

Family Applications (1)

Application Number Title Priority Date Filing Date
CH296470A CH547271A (de) 1969-03-03 1970-02-27 Verfahren zur herstellung neuer gem-difluorsteroide.

Country Status (5)

Country Link
US (1) US3644341A (de)
CH (1) CH547271A (de)
DE (1) DE2007176A1 (de)
ES (1) ES377060A1 (de)
GB (1) GB1285263A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028349A (en) * 1976-03-08 1977-06-07 Hoffmann-La Roche Inc. Syntheses of 24R,25- and 24S,25-dihydroxycholesterol 24,25-ketals and alkanoyl derivatives thereof

Also Published As

Publication number Publication date
GB1285263A (en) 1972-08-16
DE2007176A1 (de) 1970-09-10
US3644341A (en) 1972-02-22
ES377060A1 (es) 1972-05-16

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Legal Events

Date Code Title Description
PL Patent ceased