BR8703532A - Processo para preparacao de fotocatalisadores polimericos,processo para preparacao de materiais polimericos e processo para conversao fotoquimica de taquisterois em pre-vitaminas - Google Patents

Processo para preparacao de fotocatalisadores polimericos,processo para preparacao de materiais polimericos e processo para conversao fotoquimica de taquisterois em pre-vitaminas

Info

Publication number
BR8703532A
BR8703532A BR8703532A BR8703532A BR8703532A BR 8703532 A BR8703532 A BR 8703532A BR 8703532 A BR8703532 A BR 8703532A BR 8703532 A BR8703532 A BR 8703532A BR 8703532 A BR8703532 A BR 8703532A
Authority
BR
Brazil
Prior art keywords
preparation
polymeric
tachisterals
photocatalisers
vitamins
Prior art date
Application number
BR8703532A
Other languages
English (en)
Inventor
Clarke E Slemon
Original Assignee
Solarchem 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 Solarchem Res filed Critical Solarchem Res
Publication of BR8703532A publication Critical patent/BR8703532A/pt

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
    • 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

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8703532A 1986-07-09 1987-07-09 Processo para preparacao de fotocatalisadores polimericos,processo para preparacao de materiais polimericos e processo para conversao fotoquimica de taquisterois em pre-vitaminas BR8703532A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA513436 1986-07-09

Publications (1)

Publication Number Publication Date
BR8703532A true BR8703532A (pt) 1988-03-22

Family

ID=4133533

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8703532A BR8703532A (pt) 1986-07-09 1987-07-09 Processo para preparacao de fotocatalisadores polimericos,processo para preparacao de materiais polimericos e processo para conversao fotoquimica de taquisterois em pre-vitaminas

Country Status (6)

Country Link
US (1) US4937292A (pt)
EP (1) EP0252740A1 (pt)
JP (1) JPS63258646A (pt)
BR (1) BR8703532A (pt)
DK (1) DK353487A (pt)
NO (1) NO872850L (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5175217A (en) * 1988-12-12 1992-12-29 Duphar International Research B.V. Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds using a polymeric photoinitiator
ES2055019T3 (es) * 1988-12-12 1994-08-16 Duphar Int Res Metodo para la conversion fotoquimica de compuestos de taquisterol en compuestos de previtamina d y de compuestos de trans-vitamina d en compuestos de cis-vitamina d.
EP0454204B1 (en) * 1990-04-27 1995-06-28 Duphar International Research B.V Method for the photochemical isomeration of organic compounds under the influence of a photosensitizer
US5167953A (en) * 1990-06-21 1992-12-01 Trustees Of Boston University Compositions comprising tachysteral and the use thereof to provide vitamin D
US5194248A (en) * 1990-06-21 1993-03-16 Trustees Of Boston University Compositions comprising vitamin D analog precursors and the use thereof
US5395829A (en) * 1990-10-04 1995-03-07 Trustees Of Boston University Compositions comprising vitamin D lumisterol analog precursors
US5543016A (en) * 1991-07-12 1996-08-06 Inrad Photoconversion of steroids in microreactors
US5304611A (en) * 1992-12-30 1994-04-19 Eastman Kodak Company Copolymers of vinyl dioxolanes and imidized derivatives of maleic anhydride
US6136498A (en) * 1996-06-28 2000-10-24 International Business Machines Corporation Polymer-bound sensitizer
US6121184A (en) * 1997-07-29 2000-09-19 E. I. Du Pont De Nemours And Company Supported bis(phosphorus) ligands
US6383712B1 (en) 1998-06-05 2002-05-07 International Business Machines Corporation Polymer-bound sensitizer
KR100497091B1 (ko) * 2000-10-02 2005-06-27 신에쓰 가가꾸 고교 가부시끼가이샤 환상 아세탈 화합물, 고분자 화합물, 레지스트 재료 및패턴 형성 방법
JP2009216766A (ja) * 2008-03-07 2009-09-24 Toshiba Corp ホログラム記録媒体
CN114409579B (zh) * 2021-12-31 2023-01-31 杭州下沙生物科技有限公司 一种利用维生素d3副产物提高维生素d3收率的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926641A (en) * 1971-11-18 1975-12-16 Sun Chemical Corp Photopolymerizable compositions comprising polycarboxysubstituted benzophenone reaction products
US4089815A (en) * 1974-11-18 1978-05-16 Sun Chemical Corporation Photopolymerization initiators
US4052280A (en) * 1975-11-06 1977-10-04 Scm Corporation Uv curing of polymerizable binders
US4265822A (en) * 1979-09-10 1981-05-05 Wisconsin Alumni Research Foundation Process for preparing 1-hydroxylated vitamin D compounds from 5,6-trans-vitamin D compounds
US4609444A (en) * 1982-11-16 1986-09-02 Solarchem Corporation Photochemical reactions for commercial synthesis
US4551214A (en) * 1983-07-01 1985-11-05 Hoffmann-La Roche Inc. Photochemical preparation of previtamin D

Also Published As

Publication number Publication date
DK353487A (da) 1988-01-10
NO872850L (no) 1988-01-11
JPS63258646A (ja) 1988-10-26
US4937292A (en) 1990-06-26
NO872850D0 (no) 1987-07-08
EP0252740A1 (en) 1988-01-13
DK353487D0 (da) 1987-07-08

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