CH622533A5 - - Google Patents
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- Publication number
- CH622533A5 CH622533A5 CH117376A CH117376A CH622533A5 CH 622533 A5 CH622533 A5 CH 622533A5 CH 117376 A CH117376 A CH 117376A CH 117376 A CH117376 A CH 117376A CH 622533 A5 CH622533 A5 CH 622533A5
- Authority
- CH
- Switzerland
- Prior art keywords
- formula
- compound
- mixture
- solvent
- alkylcycloalkanoyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/02—Nutrients, e.g. vitamins, minerals
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Obesity (AREA)
- Diabetes (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Nutrition Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Steroid Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/552,027 US3993675A (en) | 1975-02-24 | 1975-02-24 | Process for the preparation of 1α,25-dihydroxycholecalciferol |
Publications (1)
Publication Number | Publication Date |
---|---|
CH622533A5 true CH622533A5 (nl) | 1981-04-15 |
Family
ID=24203649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH117376A CH622533A5 (nl) | 1975-02-24 | 1976-01-30 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3993675A (nl) |
JP (2) | JPS591278B2 (nl) |
AT (1) | AT351187B (nl) |
BE (1) | BE838823A (nl) |
CH (1) | CH622533A5 (nl) |
DE (1) | DE2607322C2 (nl) |
FR (1) | FR2301503A1 (nl) |
GB (2) | GB1539062A (nl) |
NL (1) | NL173172C (nl) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4058538A (en) * | 1975-01-27 | 1977-11-15 | The Upjohn Company | 3α,5α-Cyclo-6β-alkoxy-α22 -bis-nor cholestene derivatives |
US4206131A (en) * | 1978-06-19 | 1980-06-03 | The Upjohn Company | Compounds and process |
JPS557215A (en) * | 1978-06-30 | 1980-01-19 | Teijin Ltd | Preparation of active vitamin d3 or its oh-protected derivative and/or its corresponding previtamin d3 or its oh-protected derivative |
US4225525A (en) * | 1979-02-08 | 1980-09-30 | Hoffmann-La Roche Inc. | Vitamin D3 metabolite derivatives |
US4196133A (en) * | 1979-03-05 | 1980-04-01 | Wisconsin Alumni Research Foundation | 24,24-Difluoro-25-hydroxycholecalciferol |
US4201881A (en) * | 1979-03-28 | 1980-05-06 | Wisconsin Alumni Research Foundation | 24,24-Difluoro-1α,25-dihydroxycholecalciferol |
US4264513A (en) * | 1979-05-21 | 1981-04-28 | Wisconsin Alumni Research Foundation | 1α-hydroxy-25-keto-27-nor-cholecalciferol and processes for preparing same |
FR2457282A1 (fr) * | 1979-05-23 | 1980-12-19 | Roussel Uclaf | Nouveau derive du 1a,25 dihydroxy cholecalciferol, son procede de preparation et son application comme medicament |
EP0028484B1 (en) * | 1979-10-23 | 1985-08-14 | Teijin Limited | Process for the preparation of active-type vitamin d3 compounds and of the cholesta-5,7-diene precursors, and products so obtained |
DE3270978D1 (en) * | 1981-07-17 | 1986-06-12 | Duphar Int Res | Method of preparing 1-alpha-hydroxyvitamin d and 1-alpha-hydroxy-previtamin d compounds, and adduct of a previtamin d or tachysterol compound with a suitable dienophile |
KR0144358B1 (ko) * | 1988-04-21 | 1998-07-15 | 피. 라이달 크리스텐슨 | 비타민 d 동족체 |
US5952317A (en) * | 1995-09-21 | 1999-09-14 | Wisconsin Alumni Research Foundation | Calcitriol derivatives and their uses |
US5976784A (en) * | 1996-09-20 | 1999-11-02 | Wisconsin Alumni Research Foundation | Calcitriol derivatives and their uses |
US8715708B2 (en) * | 2005-08-31 | 2014-05-06 | University Of Maryland | Cyclic acetal biomaterials |
CN113368080B (zh) * | 2020-02-25 | 2023-11-17 | 香港中文大学 | 稳定的、生物粘附的、扩散限制性团聚体 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3833622A (en) * | 1969-03-17 | 1974-09-03 | Upjohn Co | Crystalline 25-hydroxycholecalciferol hydrate and structurally related compounds |
US3741996A (en) * | 1971-12-02 | 1973-06-26 | Wisconsin Alumni Res Found | 1{60 -hydroxycholecalciferol |
US3901928A (en) * | 1973-01-10 | 1975-08-26 | Robert Henry Hesse | 1' ,3' -dihydroxy steroid-5-enes method of preparing same and their use for preparing 1' -hydroxy-25-hydrogen vitamin d compounds |
US3887545A (en) * | 1973-11-12 | 1975-06-03 | Hoffmann La Roche | Synthesis of 1{60 -hydroxylated cholesterol derivatives |
-
1975
- 1975-02-24 US US05/552,027 patent/US3993675A/en not_active Expired - Lifetime
-
1976
- 1976-01-30 CH CH117376A patent/CH622533A5/de not_active IP Right Cessation
- 1976-02-20 JP JP51017160A patent/JPS591278B2/ja not_active Expired
- 1976-02-23 BE BE164533A patent/BE838823A/xx unknown
- 1976-02-23 DE DE2607322A patent/DE2607322C2/de not_active Expired
- 1976-02-23 AT AT126776A patent/AT351187B/de not_active IP Right Cessation
- 1976-02-23 FR FR7604939A patent/FR2301503A1/fr active Granted
- 1976-02-23 GB GB41939/76A patent/GB1539062A/en not_active Expired
- 1976-02-23 GB GB7028/76A patent/GB1539061A/en not_active Expired
- 1976-02-24 NL NLAANVRAGE7601872,A patent/NL173172C/nl not_active IP Right Cessation
-
1982
- 1982-12-10 JP JP57215630A patent/JPS5912666B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS591278B2 (ja) | 1984-01-11 |
ATA126776A (de) | 1978-12-15 |
FR2301503B1 (nl) | 1980-02-29 |
GB1539062A (en) | 1979-01-24 |
DE2607322A1 (de) | 1976-09-02 |
DE2607322C2 (de) | 1983-06-01 |
NL7601872A (nl) | 1976-08-26 |
BE838823A (fr) | 1976-08-23 |
FR2301503A1 (fr) | 1976-09-17 |
JPS58116457A (ja) | 1983-07-11 |
AT351187B (de) | 1979-07-10 |
NL173172C (nl) | 1983-12-16 |
US3993675A (en) | 1976-11-23 |
GB1539061A (en) | 1979-01-24 |
JPS5912666B2 (ja) | 1984-03-24 |
JPS51108050A (nl) | 1976-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUE | Assignment |
Owner name: F. HOFFMANN-LA ROCHE AG |
|
PL | Patent ceased |