BR9408521A - Método para sintetizar gama-pironas - Google Patents
Método para sintetizar gama-pironasInfo
- Publication number
- BR9408521A BR9408521A BR9408521A BR9408521A BR9408521A BR 9408521 A BR9408521 A BR 9408521A BR 9408521 A BR9408521 A BR 9408521A BR 9408521 A BR9408521 A BR 9408521A BR 9408521 A BR9408521 A BR 9408521A
- Authority
- BR
- Brazil
- Prior art keywords
- pyrones
- synthesizing gamma
- synthesizing
- gamma
- Prior art date
Links
Classifications
-
- 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
- C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
- C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Luminescent Compositions (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Light Receiving Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18947894A | 1994-01-31 | 1994-01-31 | |
| PCT/IB1994/000432 WO1995020584A1 (en) | 1994-01-31 | 1994-12-16 | Method of synthesizing gamma pyrones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9408521A true BR9408521A (pt) | 1997-08-19 |
Family
ID=22697509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9408521A BR9408521A (pt) | 1994-01-31 | 1994-12-16 | Método para sintetizar gama-pironas |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US5908941A (pt) |
| EP (1) | EP0741717A1 (pt) |
| JP (1) | JPH09501699A (pt) |
| CN (1) | CN1142821A (pt) |
| AU (1) | AU695469B2 (pt) |
| BR (1) | BR9408521A (pt) |
| CA (1) | CA2181463A1 (pt) |
| FI (1) | FI963018A0 (pt) |
| IL (1) | IL112013A0 (pt) |
| MY (1) | MY131725A (pt) |
| NO (1) | NO963187L (pt) |
| NZ (1) | NZ276786A (pt) |
| RU (1) | RU2109739C1 (pt) |
| TW (1) | TW354786B (pt) |
| WO (1) | WO1995020584A1 (pt) |
| ZA (1) | ZA9410244B (pt) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100401783B1 (ko) * | 1995-12-12 | 2004-01-28 | 주식회사 두산콘프로덕츠코리아 | 향미증진제말톨의제조방법 |
| CN102964296B (zh) | 2007-03-28 | 2015-03-25 | 阿普泰克斯科技公司 | 去铁酮的氟化衍生物 |
| RS53689B1 (en) | 2008-04-25 | 2015-04-30 | Apotex Technologies Inc. | LIQUID FORMULATION OF DEFERIPRON WITH FAVORABLE TASTE |
| CN101585822B (zh) * | 2009-06-26 | 2011-05-18 | 滁州学院 | 一种乙基麦芽酚的合成方法 |
| PT2448922E (pt) | 2009-07-03 | 2014-12-02 | Apotex Technologies Inc | Derivados fluorados de 3-hidroxipiridina-4-onas |
| CN103755667B (zh) * | 2014-01-27 | 2016-01-20 | 苏州大学 | 一种手性3-（2-硝基乙基）四氢呋喃化合物及其制备方法 |
| CN104387355B (zh) * | 2014-09-27 | 2016-06-08 | 安徽金禾实业股份有限公司 | 一种乙基麦芽酚结晶母液回收方法 |
| CN105906597B (zh) * | 2016-05-11 | 2018-05-04 | 广东省肇庆香料厂有限公司 | 一种乙基麦芽酚的合成工艺 |
| CN108947950A (zh) * | 2018-07-27 | 2018-12-07 | 重庆华控康乐药物研究有限公司 | 一种天然麦芽酚的制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4342697A (en) * | 1975-08-28 | 1982-08-03 | Pfizer Inc. | Preparation of gamma-pyrones |
| US4390709A (en) * | 1976-11-11 | 1983-06-28 | Pfizer Inc. | Preparation of gamma-pyrones |
| US4126624A (en) * | 1976-11-12 | 1978-11-21 | Pfizer Inc. | Preparation of gamma-pyrones from 3-substituted furans |
| US4435584A (en) * | 1981-10-14 | 1984-03-06 | Pfizer Inc. | Preparation of gamma-pyrones |
| US4451661A (en) * | 1982-04-26 | 1984-05-29 | Pfizer Inc. | Preparation of gamma-pyrone intermediates |
-
1994
- 1994-12-16 BR BR9408521A patent/BR9408521A/pt not_active Application Discontinuation
- 1994-12-16 CN CN94194904A patent/CN1142821A/zh active Pending
- 1994-12-16 AU AU11177/95A patent/AU695469B2/en not_active Ceased
- 1994-12-16 US US08/676,230 patent/US5908941A/en not_active Expired - Fee Related
- 1994-12-16 IL IL11201394A patent/IL112013A0/xx unknown
- 1994-12-16 CA CA002181463A patent/CA2181463A1/en not_active Abandoned
- 1994-12-16 RU RU96117591A patent/RU2109739C1/ru active
- 1994-12-16 JP JP7519961A patent/JPH09501699A/ja active Pending
- 1994-12-16 TW TW083111776A patent/TW354786B/zh active
- 1994-12-16 WO PCT/IB1994/000432 patent/WO1995020584A1/en not_active Application Discontinuation
- 1994-12-16 NZ NZ276786A patent/NZ276786A/en unknown
- 1994-12-16 EP EP95902249A patent/EP0741717A1/en not_active Ceased
- 1994-12-20 MY MYPI94003440A patent/MY131725A/en unknown
- 1994-12-22 ZA ZA9410244A patent/ZA9410244B/xx unknown
-
1996
- 1996-07-30 NO NO963187A patent/NO963187L/no unknown
- 1996-07-30 FI FI963018A patent/FI963018A0/fi unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2181463A1 (en) | 1995-08-03 |
| NO963187D0 (no) | 1996-07-30 |
| NO963187L (no) | 1996-09-30 |
| RU2109739C1 (ru) | 1998-04-27 |
| AU1117795A (en) | 1995-08-15 |
| IL112013A0 (en) | 1995-03-15 |
| MY131725A (en) | 2007-08-30 |
| ZA9410244B (en) | 1996-06-24 |
| FI963018A (fi) | 1996-07-30 |
| US5908941A (en) | 1999-06-01 |
| FI963018A0 (fi) | 1996-07-30 |
| JPH09501699A (ja) | 1997-02-18 |
| AU695469B2 (en) | 1998-08-13 |
| NZ276786A (en) | 1998-05-27 |
| CN1142821A (zh) | 1997-02-12 |
| EP0741717A1 (en) | 1996-11-13 |
| TW354786B (en) | 1999-03-21 |
| WO1995020584A1 (en) | 1995-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Transfer |
Free format text: CULTOR LTD. (FI) |
|
| EG | Technical examination (opinion): publication of technical examination (opinion) | ||
| FC | Decision: refusal |