SE453193B - Forfarande for framstellning av (2rs, 3rs, 4sr)-4-amino-2-metyl-6-oxo-tetrahydropyran-3-karboxylsyra-hydroklorid - Google Patents
Forfarande for framstellning av (2rs, 3rs, 4sr)-4-amino-2-metyl-6-oxo-tetrahydropyran-3-karboxylsyra-hydrokloridInfo
- Publication number
- SE453193B SE453193B SE8503811A SE8503811A SE453193B SE 453193 B SE453193 B SE 453193B SE 8503811 A SE8503811 A SE 8503811A SE 8503811 A SE8503811 A SE 8503811A SE 453193 B SE453193 B SE 453193B
- Authority
- SE
- Sweden
- Prior art keywords
- compound
- residue
- methyl
- aqueous solution
- concentrated
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
- C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
- C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
- C07D261/08—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
- C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
- C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
- C07D261/10—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more 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
- C07D261/12—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
- C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
- C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
- C07D261/10—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more 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
- C07D261/18—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D309/30—Oxygen atoms, e.g. delta-lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU309084A HU194203B (en) | 1984-08-15 | 1984-08-15 | Process for producing amino-lactone |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8503811D0 SE8503811D0 (sv) | 1985-08-14 |
SE8503811L SE8503811L (sv) | 1986-02-16 |
SE453193B true SE453193B (sv) | 1988-01-18 |
Family
ID=10962501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8503811A SE453193B (sv) | 1984-08-15 | 1985-08-14 | Forfarande for framstellning av (2rs, 3rs, 4sr)-4-amino-2-metyl-6-oxo-tetrahydropyran-3-karboxylsyra-hydroklorid |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS61246176A (pt) |
BE (1) | BE903069A (pt) |
CH (1) | CH666686A5 (pt) |
DE (1) | DE3529159A1 (pt) |
ES (1) | ES8609297A1 (pt) |
FR (1) | FR2569194B3 (pt) |
GB (1) | GB2163160A (pt) |
HU (1) | HU194203B (pt) |
PT (1) | PT80959B (pt) |
SE (1) | SE453193B (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8531638D0 (en) * | 1985-12-23 | 1986-02-05 | Ici Plc | Chemical compounds |
EP1411045B1 (en) | 2002-10-18 | 2008-01-16 | Tohru Yokozawa | Process for production of optically active amino alcohols |
WO2007086076A2 (en) * | 2006-01-24 | 2007-08-02 | Unichem Laboratories Limited | An improved process for preparation of leflunomide |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4287123A (en) * | 1980-01-14 | 1981-09-01 | Merck & Co., Inc. | Synthesis of thienamycin via (3SR, 4RS)-3-((RS)-1-acyloxyethyl)-2-oxo-4-azetidineacetate |
US4360684A (en) * | 1981-04-08 | 1982-11-23 | Merck & Co., Inc. | Process for the preparation of (2S)-tetrahydro-2α-methyl-6-oxo-4βα-carboxylic acid |
-
1984
- 1984-08-15 HU HU309084A patent/HU194203B/hu not_active IP Right Cessation
-
1985
- 1985-07-24 CH CH320285A patent/CH666686A5/de not_active IP Right Cessation
- 1985-08-14 PT PT8095985A patent/PT80959B/pt unknown
- 1985-08-14 DE DE19853529159 patent/DE3529159A1/de not_active Withdrawn
- 1985-08-14 JP JP17775885A patent/JPS61246176A/ja active Pending
- 1985-08-14 BE BE0/215472A patent/BE903069A/fr not_active IP Right Cessation
- 1985-08-14 SE SE8503811A patent/SE453193B/sv not_active IP Right Cessation
- 1985-08-14 FR FR8512410A patent/FR2569194B3/fr not_active Expired
- 1985-08-14 GB GB08520403A patent/GB2163160A/en not_active Withdrawn
- 1985-08-14 ES ES546140A patent/ES8609297A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2569194B3 (fr) | 1987-06-26 |
BE903069A (fr) | 1986-02-14 |
PT80959B (en) | 1987-02-06 |
JPS61246176A (ja) | 1986-11-01 |
HU194203B (en) | 1988-01-28 |
FR2569194A1 (fr) | 1986-02-21 |
PT80959A (en) | 1985-09-01 |
GB8520403D0 (en) | 1985-09-18 |
DE3529159A1 (de) | 1986-02-27 |
HUT37777A (en) | 1986-02-28 |
ES546140A0 (es) | 1986-09-01 |
GB2163160A (en) | 1986-02-19 |
CH666686A5 (de) | 1988-08-15 |
ES8609297A1 (es) | 1986-09-01 |
SE8503811D0 (sv) | 1985-08-14 |
SE8503811L (sv) | 1986-02-16 |
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NUG | Patent has lapsed |
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