ZA899375B - Method for the photochemical conversion of tachysterol compounds into previtamin d compounds and of trans-vitamin d compounds into cis-vitamin d compounds - Google Patents

Method for the photochemical conversion of tachysterol compounds into previtamin d compounds and of trans-vitamin d compounds into cis-vitamin d compounds

Info

Publication number
ZA899375B
ZA899375B ZA899375A ZA899375A ZA899375B ZA 899375 B ZA899375 B ZA 899375B ZA 899375 A ZA899375 A ZA 899375A ZA 899375 A ZA899375 A ZA 899375A ZA 899375 B ZA899375 B ZA 899375B
Authority
ZA
South Africa
Prior art keywords
compounds
vitamin
compound
cis
trans
Prior art date
Application number
ZA899375A
Other languages
English (en)
Inventor
Eric J Goethals
J Goethals Eric
Sebastianus J Halkes
J Halkes Sebastianus
Robert B Koolstra
B Koolstra Robert
Original Assignee
Duphar Int Res
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 Duphar Int Res filed Critical Duphar Int Res
Publication of ZA899375B publication Critical patent/ZA899375B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
    • C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
    • C08G65/337—Polymers modified by chemical after-treatment with organic compounds containing other elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyethers (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
ZA899375A 1988-12-12 1989-12-07 Method for the photochemical conversion of tachysterol compounds into previtamin d compounds and of trans-vitamin d compounds into cis-vitamin d compounds ZA899375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8803040 1988-12-12

Publications (1)

Publication Number Publication Date
ZA899375B true ZA899375B (en) 1990-08-29

Family

ID=19853363

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA899375A ZA899375B (en) 1988-12-12 1989-12-07 Method for the photochemical conversion of tachysterol compounds into previtamin d compounds and of trans-vitamin d compounds into cis-vitamin d compounds

Country Status (11)

Country Link
US (1) US5035783A (de)
EP (1) EP0373687B1 (de)
JP (1) JPH02202870A (de)
AT (1) ATE90075T1 (de)
AU (1) AU622958B2 (de)
CA (1) CA2004816A1 (de)
DE (1) DE68906866T2 (de)
DK (1) DK615789A (de)
ES (1) ES2055019T3 (de)
IL (1) IL92635A0 (de)
ZA (1) ZA899375B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0454204B1 (de) * 1990-04-27 1995-06-28 Duphar International Research B.V Verfahren zur photochemischen Isomerisierung von organischen Verbindungen unter dem Einfluss eines Photosensibilisators
US5543016A (en) * 1991-07-12 1996-08-06 Inrad Photoconversion of steroids in microreactors
US20040043971A1 (en) * 1995-04-03 2004-03-04 Bone Care International, Inc. Method of treating and preventing hyperparathyroidism with active vitamin D analogs
US20020183288A1 (en) * 1995-04-03 2002-12-05 Bone Care International, Inc. Method for treating and preventing hyperparathyroidism
US6242434B1 (en) * 1997-08-08 2001-06-05 Bone Care International, Inc. 24-hydroxyvitamin D, analogs and uses thereof
US5972917A (en) * 1998-05-29 1999-10-26 Bone Care Int Inc 1 α-hydroxy-25-ene-vitamin D, analogs and uses thereof
ES2204165T3 (es) 1998-05-29 2004-04-16 Bone Care International, Inc. Procedimiento para la preparacion de compuestos 25-eno-vitamina d hidroxilo.
WO2000053578A1 (en) * 1999-03-11 2000-09-14 Kuraray Co., Ltd. Vitamin d derivatives and process for the preparation thereof
EP1458678A1 (de) * 2002-11-18 2004-09-22 Teva Pharmaceutical Industries Limited Kristallisationsverfahren zur reinigung von calcipotriene
US7094775B2 (en) 2004-06-30 2006-08-22 Bone Care International, Llc Method of treating breast cancer using a combination of vitamin D analogues and other agents
US20190116791A1 (en) * 2016-03-15 2019-04-25 Fmc Corporation Use of safeners with ppo inhibitor herbicides

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609444A (en) * 1982-11-16 1986-09-02 Solarchem Corporation Photochemical reactions for commercial synthesis
US4517125A (en) * 1983-02-03 1985-05-14 Chugai Seiyaku Kabushiki Kaisha Novel vitamin D3 derivatives and process for producing the same
US4551214A (en) * 1983-07-01 1985-11-05 Hoffmann-La Roche Inc. Photochemical preparation of previtamin D
US4686023A (en) * 1985-11-26 1987-08-11 Solarchem Research, Division Of Brolor Investments, Ltd. Sensitized photochemical preparation of vitamin D
DK353487A (da) * 1986-07-09 1988-01-10 Solarchem Res Polymere fotokatalysatorer
US4849076A (en) * 1987-10-13 1989-07-18 Neckers Douglas C Continuous oxidation method

Also Published As

Publication number Publication date
CA2004816A1 (en) 1990-06-12
IL92635A0 (en) 1990-08-31
EP0373687A1 (de) 1990-06-20
JPH02202870A (ja) 1990-08-10
AU622958B2 (en) 1992-04-30
AU4615589A (en) 1990-06-14
EP0373687B1 (de) 1993-06-02
DK615789A (da) 1990-06-13
US5035783A (en) 1991-07-30
DE68906866T2 (de) 1993-09-09
ES2055019T3 (es) 1994-08-16
DK615789D0 (da) 1989-12-07
DE68906866D1 (de) 1993-07-08
ATE90075T1 (de) 1993-06-15

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