NL255427A - - Google Patents
Info
- Publication number
- NL255427A NL255427A NL255427DA NL255427A NL 255427 A NL255427 A NL 255427A NL 255427D A NL255427D A NL 255427DA NL 255427 A NL255427 A NL 255427A
- Authority
- NL
- Netherlands
Links
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
- C07D307/34—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
- C07D307/38—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/40—Colouring or decolouring of foods
- A23L5/42—Addition of dyes or pigments, e.g. in combination with optical brighteners
- A23L5/47—Addition of dyes or pigments, e.g. in combination with optical brighteners using synthetic organic dyes or pigments not covered by groups A23L5/43 - A23L5/46
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/74—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with dehydration
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/213—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing six-membered aromatic rings
- C07C49/217—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing six-membered aromatic rings having unsaturation outside the aromatic rings
- C07C49/223—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing six-membered aromatic rings having unsaturation outside the aromatic rings polycyclic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/255—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB29623/59A GB914047A (en) | 1959-08-31 | 1959-08-31 | Unsaturated diketones |
Publications (1)
Publication Number | Publication Date |
---|---|
NL255427A true NL255427A (xx) |
Family
ID=10294494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL255427D NL255427A (xx) | 1959-08-31 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3194841A (xx) |
CH (1) | CH414043A (xx) |
GB (1) | GB914047A (xx) |
NL (1) | NL255427A (xx) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4093736A (en) * | 1973-06-18 | 1978-06-06 | Sterling Drug, Inc. | Methylenedioxyphenyl substituted aliphatic diketones |
US4521629A (en) * | 1984-06-29 | 1985-06-04 | American Cyanamid Company | Method for the preparation of 1,5-bis-aryl-1,4-pentadien-3-ones |
US5679864A (en) * | 1995-11-03 | 1997-10-21 | Gene Print Inc. | Process for the synthesis of curcumin-related compounds |
DE102005008262A1 (de) * | 2005-02-22 | 2006-08-24 | Basf Ag | Verfahren zur Herstellung von Curcumin |
KR20080112340A (ko) * | 2006-03-29 | 2008-12-24 | 디에스엠 아이피 어셋츠 비.브이. | 커큐민의 합성 |
EP3206488B1 (en) * | 2009-05-15 | 2019-08-21 | The Research Foundation for The State University of New York | Curcumin analogues as zinc chelators and their uses |
CN108101761B (zh) * | 2017-12-08 | 2021-08-03 | 陕西嘉禾生物科技股份有限公司 | 一种姜黄素的制备方法 |
US11451667B1 (en) | 2022-01-31 | 2022-09-20 | Zoom Video Communications, Inc. | Collaborative virtual waiting room |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2230591A (en) * | 1937-02-06 | 1941-02-04 | Gen Aniline & Film Corp | Aliphatic aldehyde condensation products and a process for making them |
US2499172A (en) * | 1946-02-09 | 1950-02-28 | Commercial Solvents Corp | Process for converting lower-boiling ketones into higher-boiling ketones |
US2516729A (en) * | 1947-02-18 | 1950-07-25 | Shell Dev | Polycarbonylic compounds and preparation of the same |
-
0
- NL NL255427D patent/NL255427A/xx unknown
-
1959
- 1959-08-31 GB GB29623/59A patent/GB914047A/en not_active Expired
-
1960
- 1960-08-29 US US52361A patent/US3194841A/en not_active Expired - Lifetime
- 1960-08-31 CH CH980760A patent/CH414043A/de unknown
Also Published As
Publication number | Publication date |
---|---|
GB914047A (en) | 1962-12-28 |
CH414043A (de) | 1966-05-31 |
US3194841A (en) | 1965-07-13 |