DK148020C - Fremgangsmaade til fremstilling af 6-alkoxy-2h-pyran-3(6h)-on-forbindelser - Google Patents
Fremgangsmaade til fremstilling af 6-alkoxy-2h-pyran-3(6h)-on-forbindelserInfo
- Publication number
- DK148020C DK148020C DK315576A DK315576A DK148020C DK 148020 C DK148020 C DK 148020C DK 315576 A DK315576 A DK 315576A DK 315576 A DK315576 A DK 315576A DK 148020 C DK148020 C DK 148020C
- Authority
- DK
- Denmark
- Prior art keywords
- pyrane
- alcoxy
- preparing
- compounds
- Prior art date
Links
- 150000001875 compounds Chemical class 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/32—Oxygen atoms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/20—Synthetic spices, flavouring agents or condiments
- A23L27/205—Heterocyclic compounds
- A23L27/2052—Heterocyclic compounds having oxygen or sulfur as the only hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/60—Two oxygen atoms, e.g. succinic anhydride
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/0069—Heterocyclic compounds
- C11B9/0073—Heterocyclic compounds containing only O or S as heteroatoms
- C11B9/008—Heterocyclic compounds containing only O or S as heteroatoms the hetero rings containing six atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Food Science & Technology (AREA)
- Nutrition Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
- Saccharide Compounds (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Picture Signal Circuits (AREA)
- Electroluminescent Light Sources (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pyridine Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Compounds Of Unknown Constitution (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK146379A DK148084C (da) | 1975-08-28 | 1979-04-09 | Fremgangsmaade til fremstilling af gamma-pyroner |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60845275A | 1975-08-28 | 1975-08-28 | |
US60845275 | 1975-08-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK315576A DK315576A (da) | 1976-02-29 |
DK148020B DK148020B (da) | 1985-02-04 |
DK148020C true DK148020C (da) | 1985-10-07 |
Family
ID=24436571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK315576A DK148020C (da) | 1975-08-28 | 1976-07-13 | Fremgangsmaade til fremstilling af 6-alkoxy-2h-pyran-3(6h)-on-forbindelser |
Country Status (36)
Country | Link |
---|---|
JP (1) | JPS5231077A (da) |
AR (2) | AR214976A1 (da) |
AT (1) | AT347455B (da) |
BE (1) | BE843953A (da) |
BG (1) | BG27373A3 (da) |
BR (1) | BR7604541A (da) |
CA (1) | CA1077501A (da) |
CH (1) | CH620917A5 (da) |
CS (2) | CS193557B2 (da) |
DD (2) | DD131857A5 (da) |
DE (1) | DE2630837C3 (da) |
DK (1) | DK148020C (da) |
ES (3) | ES449938A1 (da) |
FI (1) | FI71316C (da) |
FR (1) | FR2322146A1 (da) |
GB (2) | GB1505029A (da) |
GR (1) | GR60430B (da) |
HK (2) | HK30081A (da) |
HU (2) | HU177367B (da) |
IE (1) | IE42789B1 (da) |
IN (1) | IN144978B (da) |
IT (1) | IT1065604B (da) |
LU (1) | LU75380A1 (da) |
MX (1) | MX3627E (da) |
MY (2) | MY8100265A (da) |
NL (2) | NL166260C (da) |
NO (3) | NO145952C (da) |
PH (2) | PH13217A (da) |
PL (3) | PL110369B1 (da) |
PT (1) | PT65357B (da) |
RO (1) | RO71275B (da) |
SE (3) | SE426592B (da) |
SU (2) | SU942596A3 (da) |
TR (1) | TR19310A (da) |
YU (2) | YU39355B (da) |
ZA (1) | ZA763902B (da) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52153967A (en) * | 1976-06-15 | 1977-12-21 | Otsuka Chem Co Ltd | 5,6-dihydro-2h-pyran-5-one derivatives |
CA1095921A (en) * | 1976-08-02 | 1981-02-17 | Thomas M. Brennan | Preparation of gamma-pyrones |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE225446C (da) * | ||||
US3159652A (en) * | 1962-06-13 | 1964-12-01 | Pfizer & Co C | Preparation of gamma-pyrones |
US3476778A (en) * | 1966-05-16 | 1969-11-04 | Monsanto Co | Gamma-pyrone synthesis |
US3491122A (en) * | 1966-09-14 | 1970-01-20 | Monsanto Co | Synthesis of 4-pyrones |
JPS5145565B1 (da) * | 1968-10-12 | 1976-12-04 | ||
JPS5212166A (en) * | 1975-07-17 | 1977-01-29 | Tatsuya Shono | Process for preparation of 4-pyron derivatives |
-
1976
- 1976-04-01 IE IE685/76A patent/IE42789B1/en unknown
- 1976-06-24 SE SE7607321A patent/SE426592B/xx unknown
- 1976-06-28 GR GR51133A patent/GR60430B/el unknown
- 1976-06-29 CA CA255,993A patent/CA1077501A/en not_active Expired
- 1976-06-29 IN IN1155/CAL/76A patent/IN144978B/en unknown
- 1976-06-30 ZA ZA763902A patent/ZA763902B/xx unknown
- 1976-06-30 YU YU1604/76A patent/YU39355B/xx unknown
- 1976-07-01 PH PH18639A patent/PH13217A/en unknown
- 1976-07-07 MX MX761180U patent/MX3627E/es unknown
- 1976-07-09 FR FR7621102A patent/FR2322146A1/fr active Granted
- 1976-07-09 BE BE1007496A patent/BE843953A/xx not_active IP Right Cessation
- 1976-07-09 DE DE2630837A patent/DE2630837C3/de not_active Expired
- 1976-07-12 BR BR7604541A patent/BR7604541A/pt unknown
- 1976-07-12 PT PT65357A patent/PT65357B/pt unknown
- 1976-07-13 NO NO762449A patent/NO145952C/no unknown
- 1976-07-13 FI FI762039A patent/FI71316C/fi not_active IP Right Cessation
- 1976-07-13 DD DD7600200675A patent/DD131857A5/xx unknown
- 1976-07-13 JP JP51083428A patent/JPS5231077A/ja active Pending
- 1976-07-13 DD DD193825A patent/DD127201A5/xx unknown
- 1976-07-13 NL NL7607730.A patent/NL166260C/xx not_active IP Right Cessation
- 1976-07-13 DK DK315576A patent/DK148020C/da not_active IP Right Cessation
- 1976-07-14 IT IT50417/76A patent/IT1065604B/it active
- 1976-07-14 LU LU75380A patent/LU75380A1/xx unknown
- 1976-07-14 CH CH905076A patent/CH620917A5/fr not_active IP Right Cessation
- 1976-07-14 AR AR263946A patent/AR214976A1/es active
- 1976-07-14 AT AT517276A patent/AT347455B/de not_active IP Right Cessation
- 1976-07-19 ES ES449938A patent/ES449938A1/es not_active Expired
- 1976-07-20 BG BG033793A patent/BG27373A3/xx unknown
- 1976-07-21 GB GB43608/76A patent/GB1505029A/en not_active Expired
- 1976-07-21 GB GB30470/76A patent/GB1505028A/en not_active Expired
- 1976-07-23 CS CS764886A patent/CS193557B2/cs unknown
- 1976-07-23 RO RO87075A patent/RO71275B/ro unknown
- 1976-07-23 CS CS776588A patent/CS193595B2/cs unknown
- 1976-07-23 HU HU76PI532A patent/HU177367B/hu unknown
- 1976-07-23 HU HU81127A patent/HU187762B/hu unknown
- 1976-07-24 PL PL1976210755A patent/PL110369B1/pl unknown
- 1976-07-24 PL PL1976210756A patent/PL110241B1/pl unknown
- 1976-07-24 PL PL1976191419A patent/PL104612B1/pl unknown
- 1976-08-27 SU SU762391501A patent/SU942596A3/ru active
-
1977
- 1977-03-18 AR AR266904A patent/AR215618A1/es active
- 1977-08-01 ES ES461252A patent/ES461252A1/es not_active Expired
- 1977-08-01 ES ES461253A patent/ES461253A1/es not_active Expired
- 1977-08-04 PH PH20075A patent/PH14410A/en unknown
- 1977-08-30 SU SU772514858A patent/SU1169540A3/ru active
-
1978
- 1978-08-08 TR TR19310A patent/TR19310A/xx unknown
-
1979
- 1979-12-21 SE SE7910631A patent/SE432929B/sv unknown
- 1979-12-21 SE SE7910630A patent/SE433078B/sv unknown
-
1980
- 1980-09-02 NL NL8004974A patent/NL8004974A/nl active Search and Examination
- 1980-12-17 NO NO803832A patent/NO146572C/no unknown
- 1980-12-17 NO NO803831A patent/NO147245C/no unknown
-
1981
- 1981-07-02 HK HK300/81A patent/HK30081A/xx unknown
- 1981-07-02 HK HK299/81A patent/HK29981A/xx unknown
- 1981-12-30 MY MY265/81A patent/MY8100265A/xx unknown
- 1981-12-30 MY MY273/81A patent/MY8100273A/xx unknown
-
1982
- 1982-05-17 YU YU1031/82A patent/YU39577B/xx unknown
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |