RO78951A2 - Procede pour la preparation des 6-hydroxy/2h-pyran-3(6h)-ones - Google Patents
Procede pour la preparation des 6-hydroxy/2h-pyran-3(6h)-onesInfo
- Publication number
- RO78951A2 RO78951A2 RO7799825A RO9982577A RO78951A2 RO 78951 A2 RO78951 A2 RO 78951A2 RO 7799825 A RO7799825 A RO 7799825A RO 9982577 A RO9982577 A RO 9982577A RO 78951 A2 RO78951 A2 RO 78951A2
- Authority
- RO
- Romania
- Prior art keywords
- pyran
- hydroxy
- ones
- preparation
- 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
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Pyrane Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
- Cosmetics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Furan Compounds (AREA)
- Saccharide Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Processing Of Color Television Signals (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Picture Signal Circuits (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Seasonings (AREA)
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 |
|---|---|
| RO78951A2 true RO78951A2 (fr) | 1982-04-12 |
Family
ID=27108548
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7799826A RO78952A (fr) | 1976-08-02 | 1977-07-20 | Procede pour la preparation des gamma-pyrones |
| RO7799830A RO78953A (fr) | 1976-08-02 | 1977-07-20 | Procede pour la preparation des 4-halo-6-hydroxy-2h-pyran-3(6h)-ones |
| RO7791106A RO74367A (fr) | 1976-08-02 | 1977-07-20 | Procede de preparation des gamma-pyrones |
| RO7799825A RO78951A2 (fr) | 1976-08-02 | 1977-07-20 | Procede pour la preparation des 6-hydroxy/2h-pyran-3(6h)-ones |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7799826A RO78952A (fr) | 1976-08-02 | 1977-07-20 | Procede pour la preparation des gamma-pyrones |
| RO7799830A RO78953A (fr) | 1976-08-02 | 1977-07-20 | Procede pour la preparation des 4-halo-6-hydroxy-2h-pyran-3(6h)-ones |
| RO7791106A RO74367A (fr) | 1976-08-02 | 1977-07-20 | Procede de preparation des gamma-pyrones |
Country Status (36)
| Country | Link |
|---|---|
| JP (7) | JPS5318578A (fr) |
| AR (1) | AR216080A1 (fr) |
| AT (3) | AT362790B (fr) |
| BE (1) | BE855965A (fr) |
| BG (4) | BG28988A4 (fr) |
| BR (1) | BR7703970A (fr) |
| CA (3) | CA1095921A (fr) |
| CH (4) | CH625798A5 (fr) |
| CS (3) | CS203921B2 (fr) |
| DD (1) | DD132494A5 (fr) |
| DE (3) | DE2760221C2 (fr) |
| DK (4) | DK153483C (fr) |
| EG (1) | EG13080A (fr) |
| ES (5) | ES459994A1 (fr) |
| FI (6) | FI72722C (fr) |
| FR (1) | FR2372821A1 (fr) |
| GB (5) | GB1538373A (fr) |
| GR (1) | GR68938B (fr) |
| HK (5) | HK30481A (fr) |
| HU (4) | HU180040B (fr) |
| IE (5) | IE45641B1 (fr) |
| IT (1) | IT1106258B (fr) |
| LU (1) | LU77600A1 (fr) |
| MX (1) | MX4597E (fr) |
| MY (3) | MY8100267A (fr) |
| NL (5) | NL170955C (fr) |
| NO (7) | NO150561C (fr) |
| NZ (1) | NZ184342A (fr) |
| PH (5) | PH13557A (fr) |
| PL (4) | PL115586B1 (fr) |
| PT (1) | PT66694B (fr) |
| RO (4) | RO78952A (fr) |
| SE (6) | SE433079B (fr) |
| SU (2) | SU955859A3 (fr) |
| TR (1) | TR19652A (fr) |
| YU (4) | YU40166B (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1095921A (fr) | 1976-08-02 | 1981-02-17 | Thomas M. Brennan | Preparation de 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 (fr) * | 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 (fr) * | 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 |
| UY30986A1 (es) | 2007-03-28 | 2008-09-02 | Apotex Technologies Inc | Derivados fluorinados de deferiprona |
| NZ588602A (en) | 2008-04-25 | 2012-08-31 | Apotex Technologies Inc | Liquid formulation for deferiprone with palatable taste |
| DK2448922T3 (da) | 2009-07-03 | 2014-11-10 | Apotex Technologies Inc | Fluorinerede derivater af 3-hydroxypyridin-4-oner |
| WO2017168309A1 (fr) * | 2016-03-29 | 2017-10-05 | Dr. Reddy’S Laboratories Limited | Procédé de préparation d'éribuline et de ses intermédiaires |
| 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 (fr) * | 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 (fr) * | 1976-08-02 | 1981-02-17 | Thomas M. Brennan | Preparation de gamma-pyrones |
-
1977
- 1977-06-06 CA CA279,922A patent/CA1095921A/fr 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 BE BE1008209A patent/BE855965A/fr not_active IP Right Cessation
- 1977-06-21 FI FI771934A patent/FI72722C/fi not_active IP Right Cessation
- 1977-06-21 NL NLAANVRAGE7706811,A patent/NL170955C/xx not_active IP Right Cessation
- 1977-06-22 AT AT0440477A patent/AT362790B/de not_active IP Right Cessation
- 1977-06-22 LU LU77600A patent/LU77600A1/xx unknown
- 1977-06-22 EG EG371/77A patent/EG13080A/xx active
- 1977-06-22 TR TR19652A patent/TR19652A/xx unknown
- 1977-06-22 DK DK276177A patent/DK153483C/da active
- 1977-06-22 DE DE2760221A patent/DE2760221C2/de not_active Expired
- 1977-06-22 DE DE2760220A patent/DE2760220C2/de not_active Expired
- 1977-06-22 NO NO772193A patent/NO150561C/no unknown
- 1977-06-22 CH CH765877A patent/CH625798A5/fr not_active IP Right Cessation
- 1977-06-22 DE DE2728499A patent/DE2728499C2/de not_active Expired
- 1977-06-22 ES ES459994A patent/ES459994A1/es not_active Expired
- 1977-06-22 PT PT66694A patent/PT66694B/pt unknown
- 1977-06-23 DD DD7700199657A patent/DD132494A5/xx not_active IP Right Cessation
- 1977-06-23 FR FR7719250A patent/FR2372821A1/fr active Granted
- 1977-06-23 IT IT49950/77A patent/IT1106258B/it active
- 1977-06-23 AR AR268164A patent/AR216080A1/es active
- 1977-07-14 BG BG7742606A patent/BG28988A4/xx unknown
- 1977-07-14 CS CS774705A patent/CS203921B2/cs unknown
- 1977-07-14 BG BG7942607A patent/BG28989A4/xx unknown
- 1977-07-14 BG BG7942608A patent/BG29136A3/xx unknown
- 1977-07-14 BG BG7736892A patent/BG28849A3/xx unknown
- 1977-07-20 RO RO7799826A patent/RO78952A/fr unknown
- 1977-07-20 RO RO7799830A patent/RO78953A/fr unknown
- 1977-07-20 RO RO7791106A patent/RO74367A/fr unknown
- 1977-07-20 RO RO7799825A patent/RO78951A2/fr unknown
- 1977-07-21 SU SU772508256A patent/SU955859A3/ru active
- 1977-07-21 PL PL1977199798A patent/PL115586B1/pl unknown
- 1977-07-21 PL PL21500877A patent/PL215008A1/xx unknown
- 1977-07-21 HU HU77PI584A patent/HU180040B/hu unknown
- 1977-07-21 HU HU82155A patent/HU185686B/hu unknown
- 1977-07-21 HU HU82156A patent/HU186026B/hu unknown
- 1977-07-21 GB GB4241/78A patent/GB1538373A/en not_active Expired
- 1977-07-21 PL PL1977215007A patent/PL115496B1/pl unknown
- 1977-07-21 GB GB4242/78A patent/GB1538374A/en not_active Expired
- 1977-07-21 PL PL1977215006A patent/PL115497B1/pl unknown
- 1977-07-21 GB GB4240/78A patent/GB1538372A/en not_active Expired
- 1977-07-21 HU HU82157A patent/HU185687B/hu unknown
- 1977-07-21 GB GB30759/77A patent/GB1538371A/en not_active Expired
- 1977-07-21 GB GB4243/78A patent/GB1538375A/en not_active Expired
- 1977-07-29 IE IE1587/77A patent/IE45641B1/en not_active IP Right Cessation
- 1977-07-29 IE IE584/79A patent/IE45642B1/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
- 1977-07-29 IE IE587/79A patent/IE45645B1/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 JP6282178A patent/JPS5436270A/ja active Granted
- 1978-05-25 JP JP53062820A patent/JPS5814433B2/ja not_active Expired
- 1978-05-25 JP JP6281878A patent/JPS5436267A/ja active Granted
- 1978-05-25 JP JP6282278A patent/JPS5436271A/ja active Granted
- 1978-05-25 JP JP6281978A patent/JPS5436268A/ja active Pending
- 1978-05-25 JP JP6281778A patent/JPS5436266A/ja active Pending
- 1978-06-07 CS CS783706A patent/CS203923B2/cs unknown
- 1978-06-07 CS CS783705A patent/CS203922B2/cs unknown
- 1978-06-13 ES ES470744A patent/ES470744A1/es not_active Expired
- 1978-06-13 ES ES470743A patent/ES470743A1/es not_active Expired
- 1978-06-13 ES ES470746A patent/ES470746A1/es not_active Expired
- 1978-06-13 ES ES470745A patent/ES470745A1/es not_active Expired
- 1978-07-05 SU SU782631651A patent/SU1015826A3/ru active
-
1979
- 1979-02-01 PH PH22149A patent/PH14625A/en unknown
- 1979-02-01 PH PH22150A patent/PH13874A/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 CA000363274A patent/CA1117541A/fr not_active Expired
- 1980-10-24 CA CA363,273A patent/CA1110254A/fr 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 HK305/81A patent/HK30581A/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 HK307/81A patent/HK30781A/xx unknown
- 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
- 1981-12-09 NL NLAANVRAGE8105540,A patent/NL182805C/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 SE8200522A patent/SE444565B/sv not_active IP Right Cessation
- 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 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 NO821848A patent/NO150043C/no unknown
- 1982-06-03 NO NO821851A patent/NO150560C/no unknown
- 1982-06-03 NO NO821847A patent/NO150042C/no unknown
- 1982-06-03 NO NO821850A patent/NO821850L/no unknown
- 1982-06-03 NO NO821849A patent/NO150559C/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 FI831702A patent/FI72720C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831701A patent/FI72723C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831704A patent/FI72721C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831703A patent/FI73424C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831700A patent/FI72119C/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 DK326186A patent/DK154079C/da active
- 1986-07-09 DK DK326086A patent/DK153401C/da not_active IP Right Cessation
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RO75757A (fr) | Procede pour la purification des composes vinylaromatiques | |
| RO76054A (fr) | Procede pour la preparation des tetradecapeptides | |
| RO75612A (fr) | Procede pour la preparation des macrolides | |
| RO70897A (fr) | Procede pour la preparation des derives de phenoxy-benzyloxycarbonylesubstitus | |
| RO74888A (fr) | Procede pour la preparation des 4-acyleaminophenylethanolamines | |
| RO73517A (fr) | Procede pour la preparation des derives aminoglycosidiques | |
| RO70854A (fr) | Procede pour la preparation des metha-aryloxybenzaldehydes | |
| RO78951A2 (fr) | Procede pour la preparation des 6-hydroxy/2h-pyran-3(6h)-ones | |
| RO75870A (fr) | Procede pour la preparation des alkylendiamines | |
| RO73516A (fr) | Procede pour la preparation des glycosides de 2-desoxystreptamine | |
| RO79969A (fr) | Procede pour la preparation des derives de kanamicine | |
| RO79398A (fr) | Procede pour la preparation des 1-oxa-dethiacephalosporines | |
| RO70462A (fr) | Procede pour la preparation des 3-halomethylcephem | |
| RO73006A (fr) | Procede de preparation des thioderives | |
| PT66781B (fr) | Procede pour la preparation des derives de la phenoxy-hydroxypropylamine | |
| RO71572A (fr) | Procede pour la preparation des oxycarbamates n-sulphenyles | |
| RO83446A (fr) | Procede pour la preparation des cyclopropylmethoxyanilides | |
| RO71066A (fr) | Procede pour la preparation des 2-chlorsulfinylazetidin-4-ones | |
| RO78300A (fr) | Procede pour la preparation des cis-4a-aryloctahydro-1h-2-pyrimidines | |
| BE862236A (fr) | Procede pour la preparation de polyphenols | |
| RO72831A (fr) | Procede pour la preparation des fenilpyperazines | |
| RO74589A (fr) | Procede de preparation des ethers oxymiques de l'isonitrozovyanacetamide | |
| PT66890A (fr) | Procede pour la preparation des aryloxy-1 amino-3 propanols-2 | |
| RO70052A (fr) | Procede pour la preparation des 7-alcoxy-3-chloremethylecephemes | |
| RO71742A (fr) | Procede pour la preparation des 1-oxadethiacephalosporines |