BE746403A - Procede de cristallisation de la vitamine d3 - Google Patents

Procede de cristallisation de la vitamine d3

Info

Publication number
BE746403A
BE746403A BE746403DA BE746403A BE 746403 A BE746403 A BE 746403A BE 746403D A BE746403D A BE 746403DA BE 746403 A BE746403 A BE 746403A
Authority
BE
Belgium
Prior art keywords
vitamin
crystallization process
crystallization
Prior art date
Application number
Other languages
English (en)
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
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of BE746403A publication Critical patent/BE746403A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C401/00—Irradiation products of cholesterol or its derivatives; Vitamin D derivatives, 9,10-seco cyclopenta[a]phenanthrene or analogues obtained by chemical preparation without irradiation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2602/00—Systems containing two condensed rings
    • C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
    • C07C2602/14—All rings being cycloaliphatic
    • C07C2602/24—All rings being cycloaliphatic the ring system containing nine carbon atoms, e.g. perhydroindane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Steroid Compounds (AREA)
BE746403D 1969-02-25 1970-02-24 Procede de cristallisation de la vitamine d3 BE746403A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH280469 1969-02-25

Publications (1)

Publication Number Publication Date
BE746403A true BE746403A (fr) 1970-08-24

Family

ID=4241955

Family Applications (1)

Application Number Title Priority Date Filing Date
BE746403D BE746403A (fr) 1969-02-25 1970-02-24 Procede de cristallisation de la vitamine d3

Country Status (11)

Country Link
US (1) US3665020A (fr)
JP (1) JPS494931B1 (fr)
AT (1) AT302545B (fr)
BE (1) BE746403A (fr)
DE (1) DE2004280C3 (fr)
DK (1) DK129653B (fr)
FR (1) FR2033012A5 (fr)
GB (1) GB1290576A (fr)
IT (1) IT954062B (fr)
NL (1) NL146490B (fr)
SE (1) SE350252B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217288A (en) * 1977-03-24 1980-08-12 Wisconsin Alumni Research Foundation Anti-vitamin D compounds
US4419287A (en) * 1980-12-16 1983-12-06 The Regents Of The University Of California Stereocontrolled synthesis of steroidal side chains
US6362350B1 (en) 1999-07-01 2002-03-26 Wisconsin Alumni Research Foundation Crystalline 1α, 24(S)-dihydroxyvitamin D2 and method of purification thereof
US20070093458A1 (en) * 2005-07-18 2007-04-26 Anchel Schwartz Preparation of paricalcitol and crystalline forms thereof
WO2007011951A2 (fr) * 2005-07-18 2007-01-25 Teva Pharmaceutical Industries Ltd. Preparation de paricalcitol
CN114369047B (zh) * 2022-01-27 2024-08-06 重庆迈德凯医药有限公司 一种结晶维生素d3的方法

Also Published As

Publication number Publication date
IT954062B (it) 1973-08-30
DE2004280C3 (de) 1975-07-17
GB1290576A (fr) 1972-09-27
DE2004280B2 (de) 1974-11-21
NL7001794A (fr) 1970-08-27
US3665020A (en) 1972-05-23
JPS494931B1 (fr) 1974-02-04
AT302545B (de) 1972-10-25
SE350252B (fr) 1972-10-23
DK129653B (da) 1974-11-04
DE2004280A1 (de) 1970-09-10
DK129653C (fr) 1975-04-14
FR2033012A5 (fr) 1970-11-27
NL146490B (nl) 1975-07-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: F. HOFFMANN LA ROCHE & CIE S.A.

Effective date: 19890228