JPS6148498B2 - - Google Patents

Info

Publication number
JPS6148498B2
JPS6148498B2 JP53149029A JP14902978A JPS6148498B2 JP S6148498 B2 JPS6148498 B2 JP S6148498B2 JP 53149029 A JP53149029 A JP 53149029A JP 14902978 A JP14902978 A JP 14902978A JP S6148498 B2 JPS6148498 B2 JP S6148498B2
Authority
JP
Japan
Prior art keywords
difluoro
hydroxyl
hydroxyvitamin
group
reaction
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP53149029A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5576857A (en
Inventor
Yoshiro Kobayashi
Takeo Taguchi
Nobuo Ikegawa
Tooru Takeshita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP14902978A priority Critical patent/JPS5576857A/ja
Publication of JPS5576857A publication Critical patent/JPS5576857A/ja
Publication of JPS6148498B2 publication Critical patent/JPS6148498B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP14902978A 1978-12-04 1978-12-04 24, 24-difluoro-25-hydroxyvitamin d3, its oh-protected derivative, and their preparation Granted JPS5576857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14902978A JPS5576857A (en) 1978-12-04 1978-12-04 24, 24-difluoro-25-hydroxyvitamin d3, its oh-protected derivative, and their preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14902978A JPS5576857A (en) 1978-12-04 1978-12-04 24, 24-difluoro-25-hydroxyvitamin d3, its oh-protected derivative, and their preparation

Publications (2)

Publication Number Publication Date
JPS5576857A JPS5576857A (en) 1980-06-10
JPS6148498B2 true JPS6148498B2 (en, 2012) 1986-10-24

Family

ID=15466105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14902978A Granted JPS5576857A (en) 1978-12-04 1978-12-04 24, 24-difluoro-25-hydroxyvitamin d3, its oh-protected derivative, and their preparation

Country Status (1)

Country Link
JP (1) JPS5576857A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3664909D1 (en) * 1985-05-30 1989-09-14 Taisho Pharmaceutical Co Ltd Vitamin d3 derivatives

Also Published As

Publication number Publication date
JPS5576857A (en) 1980-06-10

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