CH621131A5 - - Google Patents

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Publication number
CH621131A5
CH621131A5 CH113176A CH113176A CH621131A5 CH 621131 A5 CH621131 A5 CH 621131A5 CH 113176 A CH113176 A CH 113176A CH 113176 A CH113176 A CH 113176A CH 621131 A5 CH621131 A5 CH 621131A5
Authority
CH
Switzerland
Prior art keywords
diol
cholesta
dien
irradiated
diene
Prior art date
Application number
CH113176A
Other languages
German (de)
English (en)
Inventor
William Glover Salmond
Original Assignee
Upjohn Co
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 Upjohn Co filed Critical Upjohn Co
Publication of CH621131A5 publication Critical patent/CH621131A5/de

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J15/00Stereochemically pure steroids containing carbon, hydrogen, halogen or oxygen having a partially or totally inverted skeleton, e.g. retrosteroids, L-isomers
    • C07J15/005Retrosteroids (9 beta 10 alfa)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
CH113176A 1975-02-21 1976-01-29 CH621131A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/551,698 US4001096A (en) 1975-02-21 1975-02-21 Process for preparing 25-hydroxycholecalciferol intermediates

Publications (1)

Publication Number Publication Date
CH621131A5 true CH621131A5 (xx) 1981-01-15

Family

ID=24202313

Family Applications (1)

Application Number Title Priority Date Filing Date
CH113176A CH621131A5 (xx) 1975-02-21 1976-01-29

Country Status (7)

Country Link
US (2) US4001096A (xx)
JP (1) JPS51110555A (xx)
CH (1) CH621131A5 (xx)
DE (1) DE2604310A1 (xx)
FR (1) FR2301538A1 (xx)
GB (1) GB1499262A (xx)
NL (1) NL7601434A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490226A (en) * 1982-08-30 1984-12-25 The Regents Of The University Of California Efficient photochemical formation of 1-α-hydroxyprevitamin D3
EP0536311A4 (en) * 1990-06-21 1993-05-19 Trustees Of Boston University Compositions comprising vitamin d precursors, analogs thereof and their use
US5167953A (en) * 1990-06-21 1992-12-01 Trustees Of Boston University Compositions comprising tachysteral and the use thereof to provide vitamin D
US5395829A (en) * 1990-10-04 1995-03-07 Trustees Of Boston University Compositions comprising vitamin D lumisterol analog precursors
US7264713B2 (en) * 2003-09-03 2007-09-04 Thomas Kryzak Apparatus, system and method for remediation of contamination
WO2017093192A1 (en) * 2015-11-30 2017-06-08 Dsm Ip Assets B.V. Crystallization of 25-hydroxy-7-dehydrocholsterol

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112521C (xx) * 1960-05-30
US3198792A (en) * 1962-06-12 1965-08-03 Philips Corp 10alpha methyl, 9beta hormonal steroids
US3833622A (en) * 1969-03-17 1974-09-03 Upjohn Co Crystalline 25-hydroxycholecalciferol hydrate and structurally related compounds
JPS5030068B1 (xx) * 1969-12-16 1975-09-29

Also Published As

Publication number Publication date
FR2301538A1 (fr) 1976-09-17
DE2604310A1 (de) 1976-09-02
NL7601434A (nl) 1976-08-24
US4094890A (en) 1978-06-13
GB1499262A (en) 1978-01-25
FR2301538B1 (xx) 1979-08-31
US4001096A (en) 1977-01-04
JPS51110555A (xx) 1976-09-30

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Legal Events

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PL Patent ceased