CH626336A5 - Process for the preparation of cholecalciferol derivatives - Google Patents

Process for the preparation of cholecalciferol derivatives Download PDF

Info

Publication number
CH626336A5
CH626336A5 CH149077A CH149077A CH626336A5 CH 626336 A5 CH626336 A5 CH 626336A5 CH 149077 A CH149077 A CH 149077A CH 149077 A CH149077 A CH 149077A CH 626336 A5 CH626336 A5 CH 626336A5
Authority
CH
Switzerland
Prior art keywords
methanol
term
examples
acid
formula
Prior art date
Application number
CH149077A
Other languages
German (de)
English (en)
Inventor
Enrico Baggiolini
John Joseph Jun Partridge
Milan Radoje Uskokovic
Original Assignee
Hoffmann La Roche
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 US05/664,848 external-priority patent/US4026882A/en
Priority claimed from US05/664,799 external-priority patent/US4021423A/en
Priority claimed from US05/664,833 external-priority patent/US4028349A/en
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of CH626336A5 publication Critical patent/CH626336A5/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C401/00Irradiation products of cholesterol or its derivatives; Vitamin D derivatives, 9,10-seco cyclopenta[a]phenanthrene or analogues obtained by chemical preparation without irradiation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J17/00Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J53/00Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J9/00Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2602/00Systems containing two condensed rings
    • C07C2602/02Systems containing two condensed rings the rings having only two atoms in common
    • C07C2602/14All rings being cycloaliphatic
    • C07C2602/24All rings being cycloaliphatic the ring system containing nine carbon atoms, e.g. perhydroindane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH149077A 1976-03-08 1977-02-08 Process for the preparation of cholecalciferol derivatives CH626336A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/664,848 US4026882A (en) 1976-03-08 1976-03-08 Syntheses of 3,24R,25- and 3,24S,25-trihydroxy-5,7-cholestadiene 24,25-ketals and alkanoyl derivatives thereof
US05/664,799 US4021423A (en) 1976-03-08 1976-03-08 Syntheses of 24R,25- and 24S,25-dihydroxycholecalciferol
US05/664,833 US4028349A (en) 1976-03-08 1976-03-08 Syntheses of 24R,25- and 24S,25-dihydroxycholesterol 24,25-ketals and alkanoyl derivatives thereof

Publications (1)

Publication Number Publication Date
CH626336A5 true CH626336A5 (en) 1981-11-13

Family

ID=27418118

Family Applications (4)

Application Number Title Priority Date Filing Date
CH149077A CH626336A5 (en) 1976-03-08 1977-02-08 Process for the preparation of cholecalciferol derivatives
CH202181A CH627764A5 (en) 1976-03-08 1981-03-25 Process for the preparation of cholestadiene derivatives
CH202281A CH627192A5 (en) 1976-03-08 1981-03-25 Process for preparing novel cholesterol derivatives
CH202081A CH627159A5 (en) 1976-03-08 1981-03-25 Process for the preparation of novel cholesterol derivatives

Family Applications After (3)

Application Number Title Priority Date Filing Date
CH202181A CH627764A5 (en) 1976-03-08 1981-03-25 Process for the preparation of cholestadiene derivatives
CH202281A CH627192A5 (en) 1976-03-08 1981-03-25 Process for preparing novel cholesterol derivatives
CH202081A CH627159A5 (en) 1976-03-08 1981-03-25 Process for the preparation of novel cholesterol derivatives

Country Status (7)

Country Link
JP (1) JPS52108960A (enExample)
CH (4) CH626336A5 (enExample)
DE (1) DE2710062A1 (enExample)
FR (1) FR2343727A1 (enExample)
GB (1) GB1572952A (enExample)
IT (1) IT1078064B (enExample)
NL (1) NL7702484A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735599A (en) * 1980-08-05 1982-02-26 Chugai Pharmaceut Co Ltd 24,25-dihydroxycholestane and its preparation
ATE15050T1 (de) * 1981-04-29 1985-09-15 Hoffmann La Roche Verfahren zur herstellung von cholesterinderivaten und zwischenprodukte dafuer.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1178427B (de) * 1961-01-26 1964-09-24 Olin Mathieson Verfahren zur Herstellung von 16ª‡, 17ª‡-Dihydroxysteroiden der Pregnanreihe
US3715374A (en) * 1972-05-05 1973-02-06 Wisconsin Alumni Res Found 24,25-dihydroxycholecalciferol
US3901928A (en) * 1973-01-10 1975-08-26 Robert Henry Hesse 1' ,3' -dihydroxy steroid-5-enes method of preparing same and their use for preparing 1' -hydroxy-25-hydrogen vitamin d compounds
JPS51128417A (en) * 1975-04-28 1976-11-09 Teijin Ltd A method for stabilizing active vitamin d3 derivatives

Also Published As

Publication number Publication date
DE2710062A1 (de) 1977-09-15
CH627764A5 (en) 1982-01-29
FR2343727A1 (fr) 1977-10-07
GB1572952A (en) 1980-08-06
IT1078064B (it) 1985-05-08
FR2343727B1 (enExample) 1984-01-13
NL7702484A (nl) 1977-09-12
JPS52108960A (en) 1977-09-12
CH627159A5 (en) 1981-12-31
CH627192A5 (en) 1981-12-31

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PL Patent ceased