ZA908744B - Process for the separation of r and s-2,2-r1,r2-1,3-dioxolane-4-carboxylic acid - Google Patents
Process for the separation of r and s-2,2-r1,r2-1,3-dioxolane-4-carboxylic acidInfo
- Publication number
- ZA908744B ZA908744B ZA908744A ZA908744A ZA908744B ZA 908744 B ZA908744 B ZA 908744B ZA 908744 A ZA908744 A ZA 908744A ZA 908744 A ZA908744 A ZA 908744A ZA 908744 B ZA908744 B ZA 908744B
- Authority
- ZA
- South Africa
- Prior art keywords
- dioxolane
- carboxylic acid
- enantiomer
- unsubstituted
- salt
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Polyethers (AREA)
- Polyurethanes Or Polyureas (AREA)
- Saccharide Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP89202765 | 1989-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA908744B true ZA908744B (en) | 1991-08-28 |
Family
ID=8202495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA908744A ZA908744B (en) | 1989-11-01 | 1990-10-31 | Process for the separation of r and s-2,2-r1,r2-1,3-dioxolane-4-carboxylic acid |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5164519A (xx) |
| EP (1) | EP0426253B1 (xx) |
| JP (1) | JPH03232879A (xx) |
| AT (1) | ATE118755T1 (xx) |
| AU (1) | AU649970B2 (xx) |
| CA (1) | CA2029173A1 (xx) |
| DE (1) | DE69017145T2 (xx) |
| FI (1) | FI905387A0 (xx) |
| IE (1) | IE903917A1 (xx) |
| IL (1) | IL96194A0 (xx) |
| NO (1) | NO904736L (xx) |
| NZ (1) | NZ235908A (xx) |
| PT (1) | PT95748A (xx) |
| ZA (1) | ZA908744B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5433190A (en) * | 1993-08-20 | 1995-07-18 | Sunalp; Murad A. | Eyelid speculum device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4575558A (en) * | 1984-02-15 | 1986-03-11 | American Hospital Supply Corporation | Preparation of optically active 1,3-dioxolane-4-methanol compounds |
| DE3447783A1 (de) * | 1984-12-29 | 1986-07-10 | Henkel Kgaa | Verfahren zur herstellung von salzen der 1.3-dioxolan-4-carbonsaeuren und deren verwendung |
| IT1190399B (it) * | 1985-10-04 | 1988-02-16 | Zambon Spa | Processo per la preparazione di composti carbonilici otticamente attivi |
| IL82416A0 (en) * | 1986-05-08 | 1987-11-30 | Gist Brocades Nv | Process for the preparation of r-2,2-r1,r2-1,3-dioxolane-4-methanol |
-
1990
- 1990-10-29 AT AT90202873T patent/ATE118755T1/de not_active IP Right Cessation
- 1990-10-29 DE DE69017145T patent/DE69017145T2/de not_active Expired - Fee Related
- 1990-10-29 EP EP90202873A patent/EP0426253B1/en not_active Expired - Lifetime
- 1990-10-31 ZA ZA908744A patent/ZA908744B/xx unknown
- 1990-10-31 IE IE391790A patent/IE903917A1/en unknown
- 1990-10-31 NZ NZ235908A patent/NZ235908A/en unknown
- 1990-10-31 FI FI905387A patent/FI905387A0/fi not_active IP Right Cessation
- 1990-10-31 NO NO90904736A patent/NO904736L/no unknown
- 1990-10-31 PT PT95748A patent/PT95748A/pt not_active Application Discontinuation
- 1990-10-31 IL IL96194A patent/IL96194A0/xx unknown
- 1990-10-31 AU AU65678/90A patent/AU649970B2/en not_active Expired - Fee Related
- 1990-11-01 JP JP2297015A patent/JPH03232879A/ja active Pending
- 1990-11-01 CA CA002029173A patent/CA2029173A1/en not_active Abandoned
-
1991
- 1991-12-02 US US07/801,437 patent/US5164519A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FI905387A0 (fi) | 1990-10-31 |
| PT95748A (pt) | 1991-09-13 |
| DE69017145D1 (de) | 1995-03-30 |
| EP0426253A1 (en) | 1991-05-08 |
| NO904736L (no) | 1991-05-02 |
| CA2029173A1 (en) | 1991-05-02 |
| ATE118755T1 (de) | 1995-03-15 |
| EP0426253B1 (en) | 1995-02-22 |
| DE69017145T2 (de) | 1995-06-29 |
| NZ235908A (en) | 1992-02-25 |
| IL96194A0 (en) | 1991-07-18 |
| IE903917A1 (en) | 1991-05-08 |
| US5164519A (en) | 1992-11-17 |
| AU649970B2 (en) | 1994-06-09 |
| AU6567890A (en) | 1991-05-09 |
| JPH03232879A (ja) | 1991-10-16 |
| NO904736D0 (no) | 1990-10-31 |
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