BR6354482D0 - Processo para a preparacao de derivados de piridina - Google Patents
Processo para a preparacao de derivados de piridinaInfo
- Publication number
- BR6354482D0 BR6354482D0 BR154482/63A BR15448263A BR6354482D0 BR 6354482 D0 BR6354482 D0 BR 6354482D0 BR 154482/63 A BR154482/63 A BR 154482/63A BR 15448263 A BR15448263 A BR 15448263A BR 6354482 D0 BR6354482 D0 BR 6354482D0
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- pyridine derivatives
- pyridine
- derivatives
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/30—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D263/34—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
- C07D263/36—One oxygen atom
- C07D263/42—One oxygen atom attached in position 5
-
- 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
- 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
- C07D491/10—Spiro-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Epoxy Compounds (AREA)
- Air Transport Of Granular Materials (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US241019A US3250778A (en) | 1962-11-29 | 1962-11-29 | Intermediates for and synthesis of vitamin b and related compounds |
Publications (1)
Publication Number | Publication Date |
---|---|
BR6354482D0 true BR6354482D0 (pt) | 1973-07-03 |
Family
ID=22908910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR154482/63A BR6354482D0 (pt) | 1962-11-29 | 1963-11-12 | Processo para a preparacao de derivados de piridina |
Country Status (9)
Country | Link |
---|---|
US (1) | US3250778A (pt) |
BR (1) | BR6354482D0 (pt) |
CH (1) | CH427795A (pt) |
DE (1) | DE1445882A1 (pt) |
DK (2) | DK109037C (pt) |
ES (1) | ES293991A1 (pt) |
GB (2) | GB1013893A (pt) |
NO (1) | NO122836B (pt) |
SE (1) | SE308522B (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH451137A (de) * | 1964-05-27 | 1968-05-15 | Hoffmann La Roche | Verfahren zur Herstellung von Pyridinderivaten |
US3408359A (en) * | 1965-10-21 | 1968-10-29 | Merck & Co Inc | 7-methyl-8-hydroxy-1, 4-dihydro-o-dioxin(4, 5-c)pyridine |
US3410856A (en) * | 1965-10-21 | 1968-11-12 | Merck & Co Inc | Intermediates and process for preparing vitamin b6 |
US3365461A (en) * | 1965-10-21 | 1968-01-23 | Merck & Co Inc | Process for preparing pyridoxine |
US3429897A (en) * | 1965-10-21 | 1969-02-25 | Merck & Co Inc | 3,6-dihydro-1,2-dioxin and its method of production |
US3364226A (en) * | 1965-10-21 | 1968-01-16 | Merck & Co Inc | Method for preparing pyridoxine and intermediates therefor |
US3525749A (en) * | 1969-03-19 | 1970-08-25 | Merck & Co Inc | Certain 1,3-dioxepino-(5,6-c)-pyridines |
US4011231A (en) * | 1975-10-03 | 1977-03-08 | Pfizer Inc. | 2-Phenyl-6-(1-hydroxy-2-t-butylaminoethyl)-4H-pyrido[3,2-d]-1,3-dioxin maleate and its use as an intermediate |
DE10261271A1 (de) * | 2002-12-27 | 2004-07-08 | Basf Ag | Verfahren zur Herstellung von Pyridoxin oder seines Säureadditionssalzes |
JP2007511558A (ja) * | 2003-11-19 | 2007-05-10 | ディーエスエム アイピー アセッツ ビー.ブイ. | ビタミンb6の製造 |
CN109956899B (zh) * | 2017-12-14 | 2021-01-22 | 新发药业有限公司 | 一种维生素b6的制备方法 |
CN114149442A (zh) * | 2021-12-08 | 2022-03-08 | 华中药业股份有限公司 | 一种杂质ts-3b的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2260261A (en) * | 1941-10-21 | Cyclic ketals and process for | ||
US2312743A (en) * | 1939-12-01 | 1943-03-02 | Standard Oil Dev Co | Alkoxy meta-dioxanes |
US2520038A (en) * | 1948-04-14 | 1950-08-22 | American Cyanamid Co | Process for preparing pyridoxine hydrochloride |
US2875207A (en) * | 1953-11-30 | 1959-02-24 | Sadolin & Holmblad As | Process for the preparation of vitamin b6, intermediates employed therein, and processes of preparing the same |
US2870097A (en) * | 1955-07-01 | 1959-01-20 | Du Pont | Process for the preparation of polymeric acetals |
-
1962
- 1962-11-29 US US241019A patent/US3250778A/en not_active Expired - Lifetime
-
1963
- 1963-11-08 CH CH1375163A patent/CH427795A/de unknown
- 1963-11-12 DE DE19631445882 patent/DE1445882A1/de active Pending
- 1963-11-12 BR BR154482/63A patent/BR6354482D0/pt unknown
- 1963-11-25 GB GB46403/63A patent/GB1013893A/en not_active Expired
- 1963-11-25 GB GB30544/65A patent/GB1013894A/en not_active Expired
- 1963-11-26 NO NO150994A patent/NO122836B/no unknown
- 1963-11-28 ES ES293991A patent/ES293991A1/es not_active Expired
- 1963-11-29 DK DK560563AA patent/DK109037C/da active
-
1965
- 1965-07-13 SE SE9231/65A patent/SE308522B/xx unknown
- 1965-07-15 DK DK363465AA patent/DK115330B/da unknown
Also Published As
Publication number | Publication date |
---|---|
DE1445882A1 (de) | 1968-11-28 |
DK115330B (da) | 1969-09-29 |
US3250778A (en) | 1966-05-10 |
GB1013893A (en) | 1965-12-22 |
NO122836B (pt) | 1971-08-23 |
DK109037C (da) | 1968-03-11 |
GB1013894A (en) | 1965-12-22 |
CH427795A (de) | 1967-01-15 |
ES293991A1 (es) | 1964-05-16 |
SE308522B (pt) | 1969-02-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR6349779D0 (pt) | Um processo para a preparacao de derivados de lumilisergo | |
BR6458616D0 (pt) | Processo para preparacao de tioxanteno-sulfanamidas | |
BR6352674D0 (pt) | Processo para a preparacao de poli-p-benzamida | |
BR6354482D0 (pt) | Processo para a preparacao de derivados de piridina | |
BR6349262D0 (pt) | Processo para a preparacao de compostos 2-guanidino-alcoil-1 4-benzo-dioxanicos | |
BR6352520D0 (pt) | Processo para a preparacao de composicoes vitaminadas | |
BR6350584D0 (pt) | Processo para a preparacao de derivados de benzodiazepina | |
BR6567252D0 (pt) | Processo para a preparacao de derivados de dibenzociclo-heptatrienos | |
BR6238246D0 (pt) | Processo para a preparacao de peptideos | |
BR6462227D0 (pt) | Processo para a preparacao de novos imidazois | |
BR6353616D0 (pt) | Processo para a preparacao de l-alfa-metil-3,4-diidroxi- fenil-alamina | |
BR6347164D0 (pt) | Processo para a preparacao de derivados de uridina | |
BR6245382D0 (pt) | Processo para a preparacao de derivados de tetrar-droisoquinoleina | |
BR6352733D0 (pt) | Processo para a preparacao de dibenzo-ciclo-heptenos | |
BR6355424D0 (pt) | Processo para a preparacao de novos benzoaza-cicloalqueno | |
BR6572846D0 (pt) | Processo para a preparacao de derivados de y-picolila | |
BR6461413D0 (pt) | Processo para a preparacao de amino-isoxazois | |
BR6567941D0 (pt) | Processo para a preparacao de novos derivados tetrazolico | |
BR6346524D0 (pt) | Processo para a preparacao de alfa-aminobenzil-penicilina | |
BR6463685D0 (pt) | Processo para a preparacao de derivados de dibenzocicloheptenos | |
BR6345820D0 (pt) | Processo para preparacao de derivados de piridina | |
BR6353335D0 (pt) | Processo de preparacao de novos derivados colchicicos | |
BR6348190D0 (pt) | Processo para a preparacao de derivados de quinazolina | |
BR6240027D0 (pt) | Processo para a preparacao de derivados de tetraido isoquinoleina | |
BR6569731D0 (pt) | Processo para a preparacao de derivados de piridina |