JPS6228785B2 - - Google Patents

Info

Publication number
JPS6228785B2
JPS6228785B2 JP54109059A JP10905979A JPS6228785B2 JP S6228785 B2 JPS6228785 B2 JP S6228785B2 JP 54109059 A JP54109059 A JP 54109059A JP 10905979 A JP10905979 A JP 10905979A JP S6228785 B2 JPS6228785 B2 JP S6228785B2
Authority
JP
Japan
Prior art keywords
group
hydroxyl group
formula
hydroxy
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
JP54109059A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5634665A (en
Inventor
Osamu Nishikawa
Kenji Ishimaru
Tooru Takeshita
Hideki Tsuruta
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 JP10905979A priority Critical patent/JPS5634665A/ja
Publication of JPS5634665A publication Critical patent/JPS5634665A/ja
Publication of JPS6228785B2 publication Critical patent/JPS6228785B2/ja
Granted legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP10905979A 1979-08-29 1979-08-29 Preparation of 24,25-dihydroxyvitamin d3 Granted JPS5634665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10905979A JPS5634665A (en) 1979-08-29 1979-08-29 Preparation of 24,25-dihydroxyvitamin d3

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10905979A JPS5634665A (en) 1979-08-29 1979-08-29 Preparation of 24,25-dihydroxyvitamin d3

Publications (2)

Publication Number Publication Date
JPS5634665A JPS5634665A (en) 1981-04-06
JPS6228785B2 true JPS6228785B2 (enrdf_load_stackoverflow) 1987-06-23

Family

ID=14500548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10905979A Granted JPS5634665A (en) 1979-08-29 1979-08-29 Preparation of 24,25-dihydroxyvitamin d3

Country Status (1)

Country Link
JP (1) JPS5634665A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5634665A (en) 1981-04-06

Similar Documents

Publication Publication Date Title
US4022768A (en) Process for preparation of 1α,25-dihydroxycholecalciferol
Zimmerman et al. Enhanced endo-exo selectivity in the stereochemistry of ketonization of enols. Part 201
Nugent et al. Improved route to 3-vinyl substituted cyclopentanones. Synthesis of (.+-.)-mitsugashiwalactone
Ma et al. Anti-hydroalumination of Homo-and bishomopropargyl alcohols
JPS63500033A (ja) 1α―ヒドロキシビタミンD化合物の中間体の調製方法
GB1564807A (en) Cholestene derivatives
WO2021005619A1 (en) Improved, cost effective process for synthesis of vitamin d3 and its analogue calcifediol from ergosterol
Naruta et al. Lewis acid mediated allylation of 2-alkanoyl-1, 4-quinones with allylsilane and allylstannane
JPS6228785B2 (enrdf_load_stackoverflow)
JPS6258351B2 (enrdf_load_stackoverflow)
Lautens et al. A route to 1, 1-diorganometallic species via the claisen rearrangement of functionalized γ-hydroxyvinylstannanes
JPH0211563A (ja) 1β−ヒドロキシビタミンD↓2およびD↓3の製造方法
Gonzalez Sierra et al. Stereospecific transformation of grindelic acid into the antifeedant 6. alpha.-hydroxygrindelic acid, its 6. beta.-epimer, and other related natural diterpene acids
Misumi et al. Alternant conjugate systems. III. Syntheses of stereoisomeric p, p′-distyrylstilbenes and related compounds
US4181683A (en) 1,7-Octadien-3-one and process for preparing the same
JP3228488B2 (ja) 20−エピステロイド誘導体およびその製造方法
JPS6258352B2 (enrdf_load_stackoverflow)
JP2975705B2 (ja) ステロイド誘導体
JP2975704B2 (ja) ステロイド誘導体
JP2736916B2 (ja) シベトンの製造法
Schow et al. N 1.4 zyxwvutsrqponmlkjihg
JPS6148500B2 (enrdf_load_stackoverflow)
JP4266408B2 (ja) 光学活性グリコールの製造方法
JPS5923304B2 (ja) ビタミンd↓3の製造法
CA1055015A (en) Processes for preparation of steroid derivatives