CA1110254A - Obtention de gamma-pyrones - Google Patents
Obtention de gamma-pyronesInfo
- Publication number
- CA1110254A CA1110254A CA363,273A CA363273A CA1110254A CA 1110254 A CA1110254 A CA 1110254A CA 363273 A CA363273 A CA 363273A CA 1110254 A CA1110254 A CA 1110254A
- Authority
- CA
- Canada
- Prior art keywords
- chlorine
- gamma
- solution
- carbon atoms
- bromine
- 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
- 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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71090176A | 1976-08-02 | 1976-08-02 | |
US710,901 | 1976-08-02 | ||
US721,885 | 1976-09-09 | ||
US05/721,885 US4082717A (en) | 1976-08-02 | 1976-09-09 | Preparation of gamma-pyrones |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1110254A true CA1110254A (fr) | 1981-10-06 |
Family
ID=27108548
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA279,922A Expired CA1095921A (fr) | 1976-08-02 | 1977-06-06 | Preparation de gamma-pyrones |
CA000363274A Expired CA1117541A (fr) | 1976-08-02 | 1980-10-24 | 4-halo-dihydropyrannes et leur preparation |
CA363,273A Expired CA1110254A (fr) | 1976-08-02 | 1980-10-24 | Obtention de gamma-pyrones |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA279,922A Expired CA1095921A (fr) | 1976-08-02 | 1977-06-06 | Preparation de gamma-pyrones |
CA000363274A Expired CA1117541A (fr) | 1976-08-02 | 1980-10-24 | 4-halo-dihydropyrannes et leur preparation |
Country Status (36)
Country | Link |
---|---|
JP (7) | JPS5318578A (fr) |
AR (1) | AR216080A1 (fr) |
AT (3) | AT362790B (fr) |
BE (1) | BE855965A (fr) |
BG (4) | BG28849A3 (fr) |
BR (1) | BR7703970A (fr) |
CA (3) | CA1095921A (fr) |
CH (4) | CH625798A5 (fr) |
CS (3) | CS203921B2 (fr) |
DD (1) | DD132494A5 (fr) |
DE (3) | DE2728499C2 (fr) |
DK (4) | DK153483C (fr) |
EG (1) | EG13080A (fr) |
ES (5) | ES459994A1 (fr) |
FI (6) | FI72722C (fr) |
FR (1) | FR2372821A1 (fr) |
GB (5) | GB1538375A (fr) |
GR (1) | GR68938B (fr) |
HK (5) | HK30381A (fr) |
HU (4) | HU185686B (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) | RO74367A (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 |
CA2627529A1 (fr) * | 2007-03-28 | 2008-09-28 | Apotex Technologies Inc. | Derives fluores de deferiprone |
MX2010011701A (es) | 2008-04-25 | 2010-12-06 | Apotex Technologies Inc | Formulacion liquida para deferiprona con gusto agradable al paladar. |
KR101682966B1 (ko) | 2009-07-03 | 2016-12-06 | 아포텍스 테크놀로지스 인크. | 3―하이드록시피리딘―4―온의 불소화된 유도체 |
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 SE SE7707035A patent/SE433079B/xx not_active IP Right Cessation
- 1977-06-16 JP JP7157277A patent/JPS5318578A/ja active Granted
- 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 NL NLAANVRAGE7706811,A patent/NL170955C/xx not_active IP Right Cessation
- 1977-06-21 BE BE1008209A patent/BE855965A/fr not_active IP Right Cessation
- 1977-06-22 DK DK276177A patent/DK153483C/da active
- 1977-06-22 ES ES459994A patent/ES459994A1/es not_active Expired
- 1977-06-22 DE DE2728499A patent/DE2728499C2/de not_active Expired
- 1977-06-22 NO NO772193A patent/NO150561C/no unknown
- 1977-06-22 EG EG371/77A patent/EG13080A/xx active
- 1977-06-22 PT PT66694A patent/PT66694B/pt unknown
- 1977-06-22 DE DE2760220A patent/DE2760220C2/de not_active Expired
- 1977-06-22 TR TR19652A patent/TR19652A/xx unknown
- 1977-06-22 AT AT0440477A patent/AT362790B/de not_active IP Right Cessation
- 1977-06-22 CH CH765877A patent/CH625798A5/fr not_active IP Right Cessation
- 1977-06-22 DE DE2760221A patent/DE2760221C2/de not_active Expired
- 1977-06-22 LU LU77600A patent/LU77600A1/xx unknown
- 1977-06-23 DD DD7700199657A patent/DD132494A5/xx not_active IP Right Cessation
- 1977-06-23 IT IT49950/77A patent/IT1106258B/it active
- 1977-06-23 FR FR7719250A patent/FR2372821A1/fr active Granted
- 1977-06-23 AR AR268164A patent/AR216080A1/es active
- 1977-07-14 BG BG7736892A patent/BG28849A3/xx unknown
- 1977-07-14 BG BG7942607A patent/BG28989A4/xx unknown
- 1977-07-14 CS CS774705A patent/CS203921B2/cs unknown
- 1977-07-14 BG BG7742606A patent/BG28988A4/xx unknown
- 1977-07-14 BG BG7942608A patent/BG29136A3/xx unknown
- 1977-07-20 RO RO7791106A patent/RO74367A/fr unknown
- 1977-07-20 RO RO7799826A patent/RO78952A/fr unknown
- 1977-07-20 RO RO7799830A patent/RO78953A/fr unknown
- 1977-07-20 RO RO7799825A patent/RO78951A2/fr unknown
- 1977-07-21 GB GB4243/78A patent/GB1538375A/en not_active Expired
- 1977-07-21 HU HU82155A patent/HU185686B/hu unknown
- 1977-07-21 GB GB4240/78A patent/GB1538372A/en not_active Expired
- 1977-07-21 PL PL1977199798A patent/PL115586B1/pl unknown
- 1977-07-21 PL PL1977215007A patent/PL115496B1/pl unknown
- 1977-07-21 GB GB4242/78A patent/GB1538374A/en not_active Expired
- 1977-07-21 HU HU82157A patent/HU185687B/hu 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 GB30759/77A patent/GB1538371A/en not_active Expired
- 1977-07-21 PL PL21500877A patent/PL215008A1/xx unknown
- 1977-07-21 SU SU772508256A patent/SU955859A3/ru active
- 1977-07-21 PL PL1977215006A patent/PL115497B1/pl unknown
- 1977-07-21 HU HU82156A patent/HU186026B/hu unknown
- 1977-07-29 IE IE1587/77A patent/IE45641B1/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
- 1977-07-29 IE IE584/79A patent/IE45642B1/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 JP6281778A patent/JPS5436266A/ja active Pending
- 1978-05-25 JP JP6282278A patent/JPS5436271A/ja active Granted
- 1978-05-25 JP JP53062820A patent/JPS5814433B2/ja not_active Expired
- 1978-05-25 JP JP6281978A patent/JPS5436268A/ja active Pending
- 1978-05-25 JP JP6281878A patent/JPS5436267A/ja active Granted
- 1978-05-25 JP JP6282178A patent/JPS5436270A/ja active Granted
- 1978-06-07 CS CS783706A patent/CS203923B2/cs unknown
- 1978-06-07 CS CS783705A patent/CS203922B2/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 PH22149A patent/PH14625A/en unknown
- 1979-02-01 PH PH22150A patent/PH13874A/en unknown
-
1980
- 1980-03-06 AT AT0124480A patent/AT363470B/de not_active IP Right Cessation
- 1980-03-06 AT AT0124380A patent/AT364356B/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 HK303/81A patent/HK30381A/xx unknown
- 1981-07-02 HK HK307/81A patent/HK30781A/xx unknown
- 1981-07-02 HK HK306/81A patent/HK30681A/xx unknown
- 1981-07-02 HK HK304/81A patent/HK30481A/xx unknown
- 1981-07-02 HK HK305/81A patent/HK30581A/xx unknown
- 1981-12-09 NL NLAANVRAGE8105540,A patent/NL182805C/xx not_active IP Right Cessation
- 1981-12-09 NL NLAANVRAGE8105539,A patent/NL182478C/xx not_active IP Right Cessation
- 1981-12-09 NL NLAANVRAGE8105538,A patent/NL182477C/xx not_active IP Right Cessation
- 1981-12-09 NL NLAANVRAGE8105537,A patent/NL182476C/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 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 SE8200522A patent/SE444565B/sv not_active IP Right Cessation
- 1982-01-29 SE SE8200520A patent/SE444564B/sv not_active IP Right Cessation
- 1982-01-29 SE SE8200521A patent/SE452616B/sv not_active IP Right Cessation
- 1982-06-03 NO NO821850A patent/NO821850L/no unknown
- 1982-06-03 NO NO821851A patent/NO150560C/no unknown
- 1982-06-03 NO NO821849A patent/NO150559C/no unknown
- 1982-06-03 NO NO821847A patent/NO150042C/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 FI831704A patent/FI72721C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831700A patent/FI72119C/fi not_active IP Right Cessation
- 1983-05-16 FI FI831701A patent/FI72723C/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
- 1983-08-08 YU YU1663/83A patent/YU43190B/xx unknown
- 1983-11-18 NO NO834236A patent/NO151365C/no unknown
-
1986
- 1986-07-09 DK DK326186A patent/DK154079C/da active
- 1986-07-09 DK DK325986A patent/DK153484C/da active
- 1986-07-09 DK DK326086A patent/DK153401C/da not_active IP Right Cessation
Also Published As
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US4082717A (en) | Preparation of gamma-pyrones | |
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US4126624A (en) | Preparation of gamma-pyrones from 3-substituted furans | |
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US4368331A (en) | 3,4-Dihalo-tetrahydrophyran-5-one useful as intermediates for the preparation of gamma-pyrones | |
US4323506A (en) | Preparation of gamma-pyrones | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |