DD132494A5 - Verfahren zur herstellung von gamma-pyronen - Google Patents
Verfahren zur herstellung von gamma-pyronenInfo
- Publication number
- DD132494A5 DD132494A5 DD7700199657A DD19965777A DD132494A5 DD 132494 A5 DD132494 A5 DD 132494A5 DD 7700199657 A DD7700199657 A DD 7700199657A DD 19965777 A DD19965777 A DD 19965777A DD 132494 A5 DD132494 A5 DD 132494A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- producing gamma
- pyrones
- gamma pyrones
- producing
- 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
- C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71090176A | 1976-08-02 | 1976-08-02 | |
| US05/721,885 US4082717A (en) | 1976-08-02 | 1976-09-09 | Preparation of gamma-pyrones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD132494A5 true DD132494A5 (de) | 1978-10-04 |
Family
ID=27108548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD7700199657A DD132494A5 (de) | 1976-08-02 | 1977-06-23 | Verfahren zur herstellung von gamma-pyronen |
Country Status (36)
| Country | Link |
|---|---|
| JP (7) | JPS5318578A (ja) |
| AR (1) | AR216080A1 (ja) |
| AT (3) | AT362790B (ja) |
| BE (1) | BE855965A (ja) |
| BG (4) | BG29136A3 (ja) |
| BR (1) | BR7703970A (ja) |
| CA (3) | CA1095921A (ja) |
| CH (4) | CH625798A5 (ja) |
| CS (3) | CS203921B2 (ja) |
| DD (1) | DD132494A5 (ja) |
| DE (3) | DE2728499C2 (ja) |
| DK (4) | DK153483C (ja) |
| EG (1) | EG13080A (ja) |
| ES (5) | ES459994A1 (ja) |
| FI (6) | FI72722C (ja) |
| FR (1) | FR2372821A1 (ja) |
| GB (5) | GB1538373A (ja) |
| GR (1) | GR68938B (ja) |
| HK (5) | HK30481A (ja) |
| HU (4) | HU180040B (ja) |
| IE (5) | IE45642B1 (ja) |
| IT (1) | IT1106258B (ja) |
| LU (1) | LU77600A1 (ja) |
| MX (1) | MX4597E (ja) |
| MY (3) | MY8100267A (ja) |
| NL (5) | NL170955C (ja) |
| NO (7) | NO150561C (ja) |
| NZ (1) | NZ184342A (ja) |
| PH (5) | PH13557A (ja) |
| PL (4) | PL115496B1 (ja) |
| PT (1) | PT66694B (ja) |
| RO (4) | RO78952A (ja) |
| SE (6) | SE433079B (ja) |
| SU (2) | SU955859A3 (ja) |
| TR (1) | TR19652A (ja) |
| YU (4) | YU40166B (ja) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1095921A (en) * | 1976-08-02 | 1981-02-17 | Thomas M. Brennan | Preparation of gamma-pyrones |
| FR2402654A1 (fr) * | 1977-09-12 | 1979-04-06 | Shinetsu Chemical Co | Nouveaux derives de x tetrahydropyrannone(5) |
| JPS5444675A (en) * | 1977-09-12 | 1979-04-09 | Shin Etsu Chem Co Ltd | Production of 3-hydroxy-4-pyrone analog |
| JPS5741226U (ja) * | 1980-08-20 | 1982-03-05 | ||
| JPS59135008U (ja) * | 1983-02-28 | 1984-09-10 | 松下電工株式会社 | 分電盤装置 |
| JPS6050245A (ja) * | 1983-08-29 | 1985-03-19 | Nissan Motor Co Ltd | 内燃機関の燃料噴射装置 |
| JPH0226945Y2 (ja) * | 1985-09-11 | 1990-07-20 | ||
| JP2586607B2 (ja) * | 1987-10-30 | 1997-03-05 | 日産化学工業株式会社 | 光学活性アルコールの製造法 |
| PE20081596A1 (es) * | 2007-03-28 | 2009-02-05 | Apotex Technologies Inc | Derivados fluorinados de deferiprona |
| BRPI0822206B8 (pt) | 2008-04-25 | 2021-05-25 | Apotex Tech Inc | formulação líquida para deferiprona com um sabor agradável. |
| JP5611339B2 (ja) | 2009-07-03 | 2014-10-22 | アポテックス テクノロジーズ インク．Ａｐｏｔｅｘ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｉｎｃ． | ３−ヒドロキシピリジン‐４−オンのフッ素化誘導体 |
| WO2017168309A1 (en) * | 2016-03-29 | 2017-10-05 | Dr. Reddy’S Laboratories Limited | Process for preparation of eribulin and intermediates thereof |
| CN108609456B (zh) * | 2016-12-13 | 2021-03-12 | 奥的斯电梯公司 | 可打开扩展面板及具有其的电梯吊顶，轿厢和系统 |
| CN111606879A (zh) * | 2020-05-25 | 2020-09-01 | 安徽金禾实业股份有限公司 | 一锅法制备2-羟甲基-3-烷氧基-4h-吡喃-4-酮的方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3491122A (en) * | 1966-09-14 | 1970-01-20 | Monsanto Co | Synthesis of 4-pyrones |
| US3547912A (en) * | 1968-07-29 | 1970-12-15 | American Home Prod | Derivatives of 2h-pyran-3(6h)-ones and preparation thereof |
| JPS5145565B1 (ja) * | 1968-10-12 | 1976-12-04 | ||
| US3621063A (en) * | 1968-12-24 | 1971-11-16 | Monsanto Co | Unsaturated acyclic ketones |
| US3832357A (en) * | 1971-05-26 | 1974-08-27 | Daicel Ltd | Process for preparation of 3-hydroxy-2-alkyl-4-pyrone |
| JPS5212166A (en) * | 1975-07-17 | 1977-01-29 | Tatsuya Shono | Process for preparation of 4-pyron derivatives |
| IE42789B1 (en) * | 1975-08-28 | 1980-10-22 | Pfizer | Preparation of gamma-pyrones |
| CA1095921A (en) | 1976-08-02 | 1981-02-17 | Thomas M. Brennan | Preparation of gamma-pyrones |
-
1977
- 1977-06-06 CA CA279,922A patent/CA1095921A/en not_active Expired
- 1977-06-08 NZ NZ184342A patent/NZ184342A/xx unknown
- 1977-06-09 GR GR53666A patent/GR68938B/el unknown
- 1977-06-13 YU YU1469/77A patent/YU40166B/xx unknown
- 1977-06-15 MX MX775807U patent/MX4597E/es unknown
- 1977-06-16 JP JP7157277A patent/JPS5318578A/ja active Granted
- 1977-06-16 SE SE7707035A patent/SE433079B/xx not_active IP Right Cessation
- 1977-06-17 PH PH19887A patent/PH13557A/en unknown
- 1977-06-20 BR BR7703970A patent/BR7703970A/pt unknown
- 1977-06-21 FI FI771934A patent/FI72722C/fi not_active IP Right Cessation
- 1977-06-21 BE BE1008209A patent/BE855965A/xx not_active IP Right Cessation
- 1977-06-21 NL NLAANVRAGE7706811,A patent/NL170955C/xx not_active IP Right Cessation
- 1977-06-22 DK DK276177A patent/DK153483C/da active
- 1977-06-22 LU LU77600A patent/LU77600A1/xx unknown
- 1977-06-22 DE DE2728499A patent/DE2728499C2/de not_active Expired
- 1977-06-22 TR TR19652A patent/TR19652A/xx unknown
- 1977-06-22 CH CH765877A patent/CH625798A5/fr not_active IP Right Cessation
- 1977-06-22 AT AT0440477A patent/AT362790B/de not_active IP Right Cessation
- 1977-06-22 NO NO772193A patent/NO150561C/no unknown
- 1977-06-22 EG EG371/77A patent/EG13080A/xx active
- 1977-06-22 ES ES459994A patent/ES459994A1/es not_active Expired
- 1977-06-22 PT PT66694A patent/PT66694B/pt unknown
- 1977-06-22 DE DE2760221A patent/DE2760221C2/de not_active Expired
- 1977-06-22 DE DE2760220A patent/DE2760220C2/de not_active Expired
- 1977-06-23 AR AR268164A patent/AR216080A1/es active
- 1977-06-23 FR FR7719250A patent/FR2372821A1/fr active Granted
- 1977-06-23 DD DD7700199657A patent/DD132494A5/xx not_active IP Right Cessation
- 1977-06-23 IT IT49950/77A patent/IT1106258B/it active
- 1977-07-14 CS CS774705A patent/CS203921B2/cs unknown
- 1977-07-14 BG BG7942608A patent/BG29136A3/xx unknown
- 1977-07-14 BG BG7942607A patent/BG28989A4/xx unknown
- 1977-07-14 BG BG7736892A patent/BG28849A3/xx unknown
- 1977-07-14 BG BG7742606A patent/BG28988A4/xx unknown
- 1977-07-20 RO RO7799826A patent/RO78952A/ro unknown
- 1977-07-20 RO RO7799830A patent/RO78953A/ro unknown
- 1977-07-20 RO RO7799825A patent/RO78951A2/ro unknown
- 1977-07-20 RO RO7791106A patent/RO74367A/ro unknown
- 1977-07-21 HU HU77PI584A patent/HU180040B/hu unknown
- 1977-07-21 GB GB4241/78A patent/GB1538373A/en not_active Expired
- 1977-07-21 GB GB4243/78A patent/GB1538375A/en not_active Expired
- 1977-07-21 PL PL1977215007A patent/PL115496B1/pl unknown
- 1977-07-21 HU HU82155A patent/HU185686B/hu unknown
- 1977-07-21 GB GB4240/78A patent/GB1538372A/en not_active Expired
- 1977-07-21 HU HU82156A patent/HU186026B/hu unknown
- 1977-07-21 PL PL1977215006A patent/PL115497B1/pl unknown
- 1977-07-21 SU SU772508256A patent/SU955859A3/ru active
- 1977-07-21 HU HU82157A patent/HU185687B/hu unknown
- 1977-07-21 GB GB30759/77A patent/GB1538371A/en not_active Expired
- 1977-07-21 PL PL1977199798A patent/PL115586B1/pl unknown
- 1977-07-21 PL PL21500877A patent/PL215008A1/xx unknown
- 1977-07-21 GB GB4242/78A patent/GB1538374A/en not_active Expired
- 1977-07-29 IE IE584/79A patent/IE45642B1/en not_active IP Right Cessation
- 1977-07-29 IE IE1587/77A patent/IE45641B1/en not_active IP Right Cessation
- 1977-07-29 IE IE587/79A patent/IE45645B1/en not_active IP Right Cessation
- 1977-07-29 IE IE586/79A patent/IE45644B1/en not_active IP Right Cessation
- 1977-07-29 IE IE585/79A patent/IE45643B1/en not_active IP Right Cessation
-
1978
- 1978-02-03 PH PH20745A patent/PH15185A/en unknown
- 1978-02-03 PH PH20746A patent/PH13926A/en unknown
- 1978-05-25 JP JP6281878A patent/JPS5436267A/ja active Granted
- 1978-05-25 JP JP6281978A patent/JPS5436268A/ja active Pending
- 1978-05-25 JP JP53062820A patent/JPS5814433B2/ja not_active Expired
- 1978-05-25 JP JP6282178A patent/JPS5436270A/ja active Granted
- 1978-05-25 JP JP6281778A patent/JPS5436266A/ja active Pending
- 1978-05-25 JP JP6282278A patent/JPS5436271A/ja active Granted
- 1978-06-07 CS CS783705A patent/CS203922B2/cs unknown
- 1978-06-07 CS CS783706A patent/CS203923B2/cs unknown
- 1978-06-13 ES ES470746A patent/ES470746A1/es not_active Expired
- 1978-06-13 ES ES470745A patent/ES470745A1/es not_active Expired
- 1978-06-13 ES ES470744A patent/ES470744A1/es not_active Expired
- 1978-06-13 ES ES470743A patent/ES470743A1/es not_active Expired
- 1978-07-05 SU SU782631651A patent/SU1015826A3/ru active
-
1979
- 1979-02-01 PH PH22150A patent/PH13874A/en unknown
- 1979-02-01 PH PH22149A patent/PH14625A/en unknown
-
1980
- 1980-03-06 AT AT0124380A patent/AT364356B/de not_active IP Right Cessation
- 1980-03-06 AT AT0124480A patent/AT363470B/de not_active IP Right Cessation
- 1980-10-24 CA CA363,273A patent/CA1110254A/en not_active Expired
- 1980-10-24 CA CA000363274A patent/CA1117541A/en not_active Expired
- 1980-10-30 CH CH808580A patent/CH625235A5/fr not_active IP Right Cessation
-
1981
- 1981-02-20 CH CH116181A patent/CH626358A5/fr not_active IP Right Cessation
- 1981-02-20 CH CH116081A patent/CH626357A5/fr not_active IP Right Cessation
- 1981-07-02 HK HK304/81A patent/HK30481A/xx unknown
- 1981-07-02 HK HK303/81A patent/HK30381A/xx unknown
- 1981-07-02 HK HK306/81A patent/HK30681A/xx unknown
- 1981-07-02 HK HK305/81A patent/HK30581A/xx unknown
- 1981-07-02 HK HK307/81A patent/HK30781A/xx unknown
- 1981-12-09 NL NLAANVRAGE8105540,A patent/NL182805C/xx not_active IP Right Cessation
- 1981-12-09 NL NLAANVRAGE8105537,A patent/NL182476C/xx not_active IP Right Cessation
- 1981-12-09 NL NLAANVRAGE8105538,A patent/NL182477C/xx not_active IP Right Cessation
- 1981-12-09 NL NLAANVRAGE8105539,A patent/NL182478C/xx not_active IP Right Cessation
- 1981-12-30 MY MY267/81A patent/MY8100267A/xx unknown
- 1981-12-30 MY MY262/81A patent/MY8100262A/xx unknown
- 1981-12-30 MY MY287/81A patent/MY8100287A/xx unknown
-
1982
- 1982-01-29 SE SE8200521A patent/SE452616B/sv not_active IP Right Cessation
- 1982-01-29 SE SE8200518A patent/SE445041B/sv not_active IP Right Cessation
- 1982-01-29 SE SE8200522A patent/SE444565B/sv not_active IP Right Cessation
- 1982-01-29 SE SE8200519A patent/SE445042B/sv not_active IP Right Cessation
- 1982-01-29 SE SE8200520A patent/SE444564B/sv not_active IP Right Cessation
- 1982-06-03 NO NO821850A patent/NO821850L/no unknown
- 1982-06-03 NO NO821849A patent/NO150559C/no unknown
- 1982-06-03 NO NO821847A patent/NO150042C/no unknown
- 1982-06-03 NO NO821851A patent/NO150560C/no unknown
- 1982-06-03 NO NO821848A patent/NO150043C/no unknown
- 1982-12-07 YU YU02703/82A patent/YU270382A/xx unknown
- 1982-12-13 YU YU2747/82A patent/YU42613B/xx unknown
-
1983
- 1983-05-16 FI FI831700A patent/FI72119C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831703A patent/FI73424C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831702A patent/FI72720C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831704A patent/FI72721C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831701A patent/FI72723C/fi not_active IP Right Cessation
- 1983-08-08 YU YU1663/83A patent/YU43190B/xx unknown
- 1983-11-18 NO NO834236A patent/NO151365C/no unknown
-
1986
- 1986-07-09 DK DK325986A patent/DK153484C/da active
- 1986-07-09 DK DK326086A patent/DK153401C/da not_active IP Right Cessation
- 1986-07-09 DK DK326186A patent/DK154079C/da active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |