NO121662B - - Google Patents
Download PDFInfo
- Publication number
- NO121662B NO121662B NO158242A NO15824265A NO121662B NO 121662 B NO121662 B NO 121662B NO 158242 A NO158242 A NO 158242A NO 15824265 A NO15824265 A NO 15824265A NO 121662 B NO121662 B NO 121662B
- Authority
- NO
- Norway
- Prior art keywords
- formula
- diels
- compound
- rearrangement
- oxazole
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/65—One oxygen atom attached in position 3 or 5
- C07D213/66—One oxygen atom attached in position 3 or 5 having in position 3 an oxygen atom and in each of the positions 4 and 5 a carbon atom bound to an oxygen, sulphur, or nitrogen atom, e.g. pyridoxal
- C07D213/67—2-Methyl-3-hydroxy-4,5-bis(hydroxy-methyl)pyridine, i.e. pyridoxine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH692164A CH451137A (de) | 1964-05-27 | 1964-05-27 | Verfahren zur Herstellung von Pyridinderivaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO121662B true NO121662B (de) | 1971-03-29 |
Family
ID=4317129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO158242A NO121662B (de) | 1964-05-27 | 1965-05-26 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3296275A (de) |
| AT (1) | AT278255B (de) |
| BE (1) | BE664497A (de) |
| BR (1) | BR6569731D0 (de) |
| CH (1) | CH451137A (de) |
| DE (1) | DE1545943A1 (de) |
| DK (1) | DK119705B (de) |
| ES (1) | ES313451A1 (de) |
| GB (1) | GB1034050A (de) |
| IL (1) | IL23496A (de) |
| NL (1) | NL145228B (de) |
| NO (1) | NO121662B (de) |
| SE (1) | SE334359B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3410856A (en) * | 1965-10-21 | 1968-11-12 | Merck & Co Inc | Intermediates and process for preparing vitamin b6 |
| CN1882592B (zh) * | 2003-11-19 | 2011-08-10 | 帝斯曼知识产权资产管理有限公司 | 维生素b6的制备 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3250778A (en) * | 1962-11-29 | 1966-05-10 | Hoffmann La Roche | Intermediates for and synthesis of vitamin b and related compounds |
-
1964
- 1964-05-27 CH CH692164A patent/CH451137A/de unknown
-
1965
- 1965-04-21 AT AT364465A patent/AT278255B/de not_active IP Right Cessation
- 1965-04-22 DE DE19651545943 patent/DE1545943A1/de active Pending
- 1965-05-09 IL IL23496A patent/IL23496A/xx unknown
- 1965-05-10 US US454651A patent/US3296275A/en not_active Expired - Lifetime
- 1965-05-19 GB GB21229/65A patent/GB1034050A/en not_active Expired
- 1965-05-19 BR BR169731/65A patent/BR6569731D0/pt unknown
- 1965-05-25 DK DK262565AA patent/DK119705B/da unknown
- 1965-05-26 NO NO158242A patent/NO121662B/no unknown
- 1965-05-26 ES ES0313451A patent/ES313451A1/es not_active Expired
- 1965-05-26 SE SE06975/65A patent/SE334359B/xx unknown
- 1965-05-26 NL NL656506703A patent/NL145228B/xx unknown
- 1965-05-26 BE BE664497D patent/BE664497A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6506703A (de) | 1965-11-29 |
| DK119705B (da) | 1971-02-15 |
| SE334359B (de) | 1971-04-26 |
| GB1034050A (en) | 1966-06-29 |
| ES313451A1 (es) | 1966-02-01 |
| AT278255B (de) | 1970-01-26 |
| BE664497A (de) | 1965-11-26 |
| BR6569731D0 (pt) | 1973-08-02 |
| CH451137A (de) | 1968-05-15 |
| NL145228B (nl) | 1975-03-17 |
| DE1545943A1 (de) | 1972-04-06 |
| US3296275A (en) | 1967-01-03 |
| IL23496A (en) | 1969-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SU426364A3 (ru) | Способ получения производных 1- | |
| EP2262756A1 (de) | Verfahren zur herstellung von 2-alkoxymethylen-4,4-difluor-3-oxobuttersäurealkylestern | |
| US4140716A (en) | Process for making an amide of formic acid and forming nitrodiarylamine therefrom | |
| Hirao et al. | Synthesis of vinylsilanes by palladium-catalyzed reaction of trimethylsilylallyl acetates with nucleophiles | |
| DK154079B (da) | Fremgangsmaade til fremstilling af 4-halogen-2h-pyran-3(6h)-on-forbindelser | |
| JP2021509685A (ja) | クリサボロールおよびその中間体を調製するためのプロセス | |
| KR102458638B1 (ko) | 메데토미딘의 합성에서 유용한 3-아릴부탄알과 같은 화합물의 제조 방법 | |
| NO331850B1 (no) | Fremgangsmate for fremstilling av kinolon-antibiotikumintermediater | |
| NO165496B (no) | Analogifremgangsmaate for fremstilling av nye epoksysteroider. | |
| NO152542B (no) | Anordning for anbringelse og fastholding av gripeboeyle paa hjul for kjoeretoey | |
| Valiullina et al. | A short synthesis of the carbocyclic core of Entecavir from Corey lactone | |
| NO874759L (no) | Fremgangsmaate til fremstilling av purin-9-yl-alkylenoksymetylfosfonsyrer. | |
| NO157421B (no) | Analogifremgangsmaate ved fremstilling av terapeutisk aktive 3,7-diazabicyclo-(3.3.1)-nonan-derivater. | |
| JPH04210947A (ja) | エルブスタチン類似体の全合成における改良 | |
| KR100537409B1 (ko) | 3,4-디히드록시-3-시클로부텐-1,2-디온의 제조법 | |
| US4031108A (en) | 2-Hydroxymethyl-3-benzyloxypyridine-6-epoxyethane | |
| Reddy et al. | Chemo‐and regioselective allylic oxidation: Oxo‐derivatives of 2‐phospholene sugar analogs | |
| US2915527A (en) | Oxazolidone compounds and means for | |
| US3296275A (en) | Process for the manufacture of pyridine derivatives | |
| Smith et al. | The Preparation of Chalcones from Hydroxy and Methoxy Aldehydes and Ketones1 | |
| US4182880A (en) | 1,8-Naphthyridine compounds and process for preparing the same | |
| SU511004A3 (ru) | Способ получени производных 2-оксиметил-1,3,4-оксадиазола | |
| Ma et al. | A neighboring group participation strategy: direct and highly diastereoselective synthesis of 2-substituted and 2, 2-bisubstituted perhydrofuro [2, 3-b] pyran derivatives | |
| US3287372A (en) | Process and intermediates for manufacture of 2-(dialkylmethyl)-5-alkyl-2-cyclohexen-1-ones | |
| NO309600B1 (no) | Forbedret fremgangsmåte for fremstilling av 4-hydroksy-2- pyrrolidon |