ES8105252A1 - Un procedimiento para la preparacion de derivados de acido citrico - Google Patents
Un procedimiento para la preparacion de derivados de acido citricoInfo
- Publication number
- ES8105252A1 ES8105252A1 ES492727A ES492727A ES8105252A1 ES 8105252 A1 ES8105252 A1 ES 8105252A1 ES 492727 A ES492727 A ES 492727A ES 492727 A ES492727 A ES 492727A ES 8105252 A1 ES8105252 A1 ES 8105252A1
- Authority
- ES
- Spain
- Prior art keywords
- acid
- formula
- see diagramm
- threo
- formula see
- 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
- C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
- C07D305/02—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D305/10—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having one or more double bonds between ring members or between ring members and non-ring members
- C07D305/12—Beta-lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/235—Saturated compounds containing more than one carboxyl group
- C07C59/245—Saturated compounds containing more than one carboxyl group containing hydroxy or O-metal groups
- C07C59/295—Saturated compounds containing more than one carboxyl group containing hydroxy or O-metal groups containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/48—Compounds containing oxirane rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
PROCEDIMIENTO DE OBTENCION DE DERIVADOS DE ACIDO CITRICO. CONSISTE EN DISOCIAR ACIDO EPOXIACONITICO CON UN CLORURO DE METAL ALCALINO O ALCALINOTERREO EN UN DISOLVENTE ACUOSO EN PRESENCIA DE UN ACIDO. OPCIONALMENTE SE PUEDE RESOLVER UN DERIVADO DE ACIDO (+-)-TREO O (+-)-ERITROCITICO EN SUS ANTIPODAS OPTICAMENTE ACTIVOS. EL COMPUESTO OBTENIDO PUEDE AISLAR EN FORMA DE LA SAL RESPECTIVA LOS DISOLVENTES ACUOSOS QUE INCLUYEN AGUA Y MEZCLAS DE AGUA Y UN ALCANOL INFERIOR AGUA Y UN ETER, TAL COMO DIMETOXIETANO, TETRAHIDROFURANO O DIOXANO Y AGUA Y UN DISOLVENTE APORTICO POLAR TAL COMO DIMETILACETAMIDA, DIMEDITILFORMAMIDA, SULFOXIDO DE DIMETILO O HEXAMETILFOSFORAMIDA. AGENTES ANORECTICOS. D
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/973,504 US4312885A (en) | 1978-12-26 | 1978-12-26 | Chlorocitric acids |
CH1058079 | 1979-11-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES492727A0 ES492727A0 (es) | 1981-06-01 |
ES8105252A1 true ES8105252A1 (es) | 1981-06-01 |
Family
ID=25706941
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES487247A Granted ES487247A0 (es) | 1978-12-26 | 1979-12-24 | Un procedimiento para la preparacion de derivados de acido tro-clorocitrico |
ES492727A Expired ES8105252A1 (es) | 1978-12-26 | 1980-06-25 | Un procedimiento para la preparacion de derivados de acido citrico |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES487247A Granted ES487247A0 (es) | 1978-12-26 | 1979-12-24 | Un procedimiento para la preparacion de derivados de acido tro-clorocitrico |
Country Status (16)
Country | Link |
---|---|
EP (1) | EP0016867B1 (es) |
AR (1) | AR222201A1 (es) |
AU (1) | AU527139B2 (es) |
CA (1) | CA1138470A (es) |
DE (1) | DE2965783D1 (es) |
DK (1) | DK154641C (es) |
ES (2) | ES487247A0 (es) |
FI (1) | FI67073C (es) |
HU (1) | HU179987B (es) |
IE (1) | IE49341B1 (es) |
IL (1) | IL59015A (es) |
MC (1) | MC1299A1 (es) |
NO (1) | NO153491C (es) |
NZ (1) | NZ192423A (es) |
PH (1) | PH14915A (es) |
PT (1) | PT70628A (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT500800B1 (de) | 2004-09-08 | 2008-07-15 | Biomedica Medizinprodukte Gmbh | Verfahren zur bestimmung von probnp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3356721A (en) * | 1962-03-21 | 1967-12-05 | Richard H Wiley | Citric acid manufacture |
US3764692A (en) * | 1970-09-30 | 1973-10-09 | Hoffmann La Roche | Method of treating obesity |
US3901915A (en) * | 1973-10-10 | 1975-08-26 | Hoffmann La Roche | Optical resolution of organic carboxylic acids |
US4123458A (en) * | 1975-12-22 | 1978-10-31 | Lever Brothers Company | Preparation of cis and trans aconitic acids and their salts |
-
1979
- 1979-12-17 NZ NZ192423A patent/NZ192423A/xx unknown
- 1979-12-18 FI FI793976A patent/FI67073C/fi not_active IP Right Cessation
- 1979-12-19 AU AU54009/79A patent/AU527139B2/en not_active Ceased
- 1979-12-19 MC MC791421A patent/MC1299A1/xx unknown
- 1979-12-19 CA CA000342235A patent/CA1138470A/en not_active Expired
- 1979-12-20 IL IL7959015A patent/IL59015A/xx unknown
- 1979-12-21 HU HU79HO2203A patent/HU179987B/hu not_active IP Right Cessation
- 1979-12-21 PT PT70628A patent/PT70628A/pt unknown
- 1979-12-21 PH PH23453A patent/PH14915A/en unknown
- 1979-12-21 EP EP79105314A patent/EP0016867B1/de not_active Expired
- 1979-12-21 NO NO79794232A patent/NO153491C/no unknown
- 1979-12-21 DE DE7979105314T patent/DE2965783D1/de not_active Expired
- 1979-12-21 DK DK554079A patent/DK154641C/da not_active IP Right Cessation
- 1979-12-21 IE IE2501/79A patent/IE49341B1/en unknown
- 1979-12-24 ES ES487247A patent/ES487247A0/es active Granted
-
1980
- 1980-06-25 ES ES492727A patent/ES8105252A1/es not_active Expired
- 1980-10-26 AR AR279443A patent/AR222201A1/es active
Also Published As
Publication number | Publication date |
---|---|
IL59015A (en) | 1983-10-31 |
CA1138470A (en) | 1982-12-28 |
DK154641B (da) | 1988-12-05 |
AU527139B2 (en) | 1983-02-17 |
EP0016867B1 (de) | 1983-06-22 |
MC1299A1 (fr) | 1980-10-03 |
ES492727A0 (es) | 1981-06-01 |
HU179987B (en) | 1983-01-28 |
FI793976A (fi) | 1980-06-27 |
FI67073C (fi) | 1985-01-10 |
EP0016867A1 (de) | 1980-10-15 |
IE792501L (en) | 1980-06-26 |
DE2965783D1 (en) | 1983-07-28 |
AU5400979A (en) | 1980-07-03 |
FI67073B (fi) | 1984-09-28 |
DK154641C (da) | 1989-05-08 |
NO153491B (no) | 1985-12-23 |
ES8100243A1 (es) | 1980-11-01 |
AR222201A1 (es) | 1981-04-30 |
PH14915A (en) | 1982-01-29 |
NO153491C (no) | 1986-04-02 |
IE49341B1 (en) | 1985-09-18 |
IL59015A0 (en) | 1980-03-31 |
PT70628A (en) | 1980-01-01 |
ES487247A0 (es) | 1980-11-01 |
NO794232L (no) | 1980-06-27 |
DK554079A (da) | 1980-06-27 |
NZ192423A (en) | 1981-12-15 |
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