DE3374563D1 - Alpha-substituted-alkylarylketals particularly useful for preparing alpha-arylalkanoic acids - Google Patents
Alpha-substituted-alkylarylketals particularly useful for preparing alpha-arylalkanoic acidsInfo
- Publication number
- DE3374563D1 DE3374563D1 DE8383201136T DE3374563T DE3374563D1 DE 3374563 D1 DE3374563 D1 DE 3374563D1 DE 8383201136 T DE8383201136 T DE 8383201136T DE 3374563 T DE3374563 T DE 3374563T DE 3374563 D1 DE3374563 D1 DE 3374563D1
- Authority
- DE
- Germany
- Prior art keywords
- sub
- alpha
- alkylarylketals
- substituted
- particularly useful
- 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
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D321/00—Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
- C07D321/02—Seven-membered rings
- C07D321/04—Seven-membered rings not condensed with other rings
- C07D321/06—1,3-Dioxepines; Hydrogenated 1,3-dioxepines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Cephalosporin Compounds (AREA)
- Organic Insulating Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8319930A IT1212709B (it) | 1983-03-07 | 1983-03-07 | Alfa-alogenoalchilarilchetali particolarmente utili per la sintesi di acidi alfa-arilalcanoici. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3374563D1 true DE3374563D1 (en) | 1987-12-23 |
Family
ID=11162433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8383201136T Expired DE3374563D1 (en) | 1983-03-07 | 1983-08-01 | Alpha-substituted-alkylarylketals particularly useful for preparing alpha-arylalkanoic acids |
Country Status (15)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004005318A1 (de) * | 2004-02-04 | 2005-08-25 | Bayer Cropscience Ag | Verfahren zur Herstellung von 2,5-Dimethylphenylessigsäure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2260261A (en) * | 1941-10-21 | Cyclic ketals and process for | ||
| US3116299A (en) * | 1961-01-03 | 1963-12-31 | Dow Chemical Co | Preparation of substituted dioxepins |
| US3116298A (en) * | 1961-01-03 | 1963-12-31 | Dow Chemical Co | Preparation of dioxepins |
| US3658846A (en) * | 1969-03-19 | 1972-04-25 | Merck & Co Inc | Intermediates for synthesis of vitamin b6 and related compounds |
| JPS5312837A (en) * | 1976-07-23 | 1978-02-04 | Mitsui Toatsu Chem Inc | Preparation of alpha-phenylpropionic acid derivatives |
| IE50898B1 (en) * | 1980-02-26 | 1986-08-06 | Blaschim Spa | Process for preparing esters of 2-(6'-methoxy-2'-naphthyl)-propionic acid via rearrangement of new ketals of 2-halo-1-(6'-methoxy-2'-naphthyl)-propan-1-one |
| JPS5810525A (ja) * | 1981-06-15 | 1983-01-21 | Sagami Chem Res Center | 光学活性な１−芳香族基置換−１−アルカノン類の製造方法 |
| JPS58154575A (ja) * | 1982-03-10 | 1983-09-14 | Hitachi Ltd | 新規な重合性単量体 |
| DE3232737A1 (de) * | 1982-09-03 | 1984-03-08 | Bayer Ag, 5090 Leverkusen | 2-aryl-2-azolylmethyl-1,3-dioxepine |
-
1983
- 1983-03-07 IT IT8319930A patent/IT1212709B/it active
- 1983-08-01 AT AT83201136T patent/ATE30914T1/de not_active IP Right Cessation
- 1983-08-01 DE DE8383201136T patent/DE3374563D1/de not_active Expired
- 1983-08-01 EP EP83201136A patent/EP0123739B1/en not_active Expired
- 1983-08-03 IE IE1838/83A patent/IE55718B1/xx unknown
- 1983-08-03 US US06/520,130 patent/US4537979A/en not_active Expired - Fee Related
- 1983-08-04 ZA ZA835745A patent/ZA835745B/xx unknown
- 1983-08-04 FI FI832818A patent/FI80028C/fi not_active IP Right Cessation
- 1983-08-04 PT PT77159A patent/PT77159B/pt not_active IP Right Cessation
- 1983-08-05 ES ES525462A patent/ES8502985A1/es not_active Expired
- 1983-08-05 DK DK358383A patent/DK166726B1/da not_active IP Right Cessation
- 1983-08-05 NO NO832831A patent/NO832831L/no unknown
- 1983-08-05 CA CA000433948A patent/CA1257283A/en not_active Expired
- 1983-08-06 JP JP58144332A patent/JPS59164752A/ja active Granted
- 1983-08-06 KR KR1019830003689A patent/KR880001053B1/ko active
- 1983-08-06 KR KR1019830003689A patent/KR840008010A/ko not_active IP Right Cessation
-
1984
- 1984-02-03 US US06/576,711 patent/US4618697A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT1212709B (it) | 1989-11-30 |
| JPH051265B2 (US06811534-20041102-M00003.png) | 1993-01-07 |
| EP0123739A3 (en) | 1985-09-18 |
| US4618697A (en) | 1986-10-21 |
| PT77159A (en) | 1983-09-01 |
| FI80028C (fi) | 1990-04-10 |
| IT8319930A0 (it) | 1983-03-07 |
| EP0123739A2 (en) | 1984-11-07 |
| KR840008010A (ko) | 1984-12-12 |
| JPS59164752A (ja) | 1984-09-17 |
| FI832818A0 (fi) | 1983-08-04 |
| DK358383A (da) | 1984-09-08 |
| IE831838L (en) | 1983-09-07 |
| DK166726B1 (da) | 1993-07-05 |
| ATE30914T1 (de) | 1987-12-15 |
| IE55718B1 (en) | 1991-01-02 |
| DK358383D0 (da) | 1983-08-05 |
| ES525462A0 (es) | 1985-02-01 |
| US4537979A (en) | 1985-08-27 |
| PT77159B (en) | 1986-02-03 |
| FI832818A (fi) | 1984-09-08 |
| KR880001053B1 (ko) | 1988-06-18 |
| ZA835745B (en) | 1984-12-24 |
| EP0123739B1 (en) | 1987-11-19 |
| NO832831L (no) | 1984-09-10 |
| FI80028B (fi) | 1989-12-29 |
| CA1257283A (en) | 1989-07-11 |
| ES8502985A1 (es) | 1985-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8339 | Ceased/non-payment of the annual fee |