GB1419927A - Method - Google Patents
MethodInfo
- Publication number
- GB1419927A GB1419927A GB1668274A GB1668274A GB1419927A GB 1419927 A GB1419927 A GB 1419927A GB 1668274 A GB1668274 A GB 1668274A GB 1668274 A GB1668274 A GB 1668274A GB 1419927 A GB1419927 A GB 1419927A
- Authority
- GB
- United Kingdom
- Prior art keywords
- institut
- biotin
- nauk sssr
- akademii nauk
- zelinskogo
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
1419927 Biotin INSTITUT ORGANICHESKOI KHIMII IMENI ND ZELINSKOGO AKADEMII NAUK SSSR and INSTITUT ELEMENTOORGANICHESKIKH SOEDINENY AKADEMII NAUK SSSR 16 April 1974 16682/74 Heading C2V Racemic biotin is obtained by reacting 2,3,8,9- tetrahydrobiotin with triethylsilane and trifluoroacetic acid. The reaction may be carried out by heating at 20‹ to 70‹ C. Examples are given.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1668274A GB1419927A (en) | 1974-04-16 | 1974-04-16 | Method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1668274A GB1419927A (en) | 1974-04-16 | 1974-04-16 | Method |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1419927A true GB1419927A (en) | 1975-12-31 |
Family
ID=10081745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1668274A Expired GB1419927A (en) | 1974-04-16 | 1974-04-16 | Method |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1419927A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986002069A1 (en) * | 1984-09-26 | 1986-04-10 | Pfizer Inc. | Biotin intermediates and process therefor |
US4782165A (en) * | 1984-09-26 | 1988-11-01 | Pfizer Inc. | Process for biotin intermediates |
-
1974
- 1974-04-16 GB GB1668274A patent/GB1419927A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986002069A1 (en) * | 1984-09-26 | 1986-04-10 | Pfizer Inc. | Biotin intermediates and process therefor |
US4709044A (en) * | 1984-09-26 | 1987-11-24 | Pfizer Inc. | Biotin intermediates |
US4782165A (en) * | 1984-09-26 | 1988-11-01 | Pfizer Inc. | Process for biotin intermediates |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |