JPS57183733A - Purification of cyclopentenolone - Google Patents
Purification of cyclopentenoloneInfo
- Publication number
- JPS57183733A JPS57183733A JP56066682A JP6668281A JPS57183733A JP S57183733 A JPS57183733 A JP S57183733A JP 56066682 A JP56066682 A JP 56066682A JP 6668281 A JP6668281 A JP 6668281A JP S57183733 A JPS57183733 A JP S57183733A
- Authority
- JP
- Japan
- Prior art keywords
- calcium chloride
- cyclopentenolone
- adduct
- purity
- decomposed
- 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.)
- Granted
Links
Classifications
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56066682A JPS57183733A (en) | 1981-04-30 | 1981-04-30 | Purification of cyclopentenolone |
DE8282302024T DE3265190D1 (en) | 1981-04-30 | 1982-04-20 | A method for purification of cyclopentenolones |
EP82302024A EP0065356B1 (en) | 1981-04-30 | 1982-04-20 | A method for purification of cyclopentenolones |
US06/372,379 US4376871A (en) | 1981-04-30 | 1982-04-27 | Method for purification of cyclopentenolones |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56066682A JPS57183733A (en) | 1981-04-30 | 1981-04-30 | Purification of cyclopentenolone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57183733A true JPS57183733A (en) | 1982-11-12 |
JPH0153263B2 JPH0153263B2 (en, 2012) | 1989-11-13 |
Family
ID=13322938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56066682A Granted JPS57183733A (en) | 1981-04-30 | 1981-04-30 | Purification of cyclopentenolone |
Country Status (4)
Country | Link |
---|---|
US (1) | US4376871A (en, 2012) |
EP (1) | EP0065356B1 (en, 2012) |
JP (1) | JPS57183733A (en, 2012) |
DE (1) | DE3265190D1 (en, 2012) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108586223A (zh) * | 2018-05-28 | 2018-09-28 | 盐城市春竹香料有限公司 | 结晶法纯化甲基环戊烯醇酮的生产工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2789139A (en) * | 1953-05-13 | 1957-04-16 | Fmc Corp | Recovery of allethrolone |
US2813905A (en) * | 1955-06-06 | 1957-11-19 | Phillips Petroleum Co | Process for recovering cyclohexanone by formation of a bisulfite adduct |
GB848287A (en) * | 1958-06-02 | 1960-09-14 | Glaxo Lab Ltd | Purification of pseudo-ionone |
US3536495A (en) * | 1968-03-13 | 1970-10-27 | Miller Brewing | Ammonia complexes of hop alpha acids and modified alpha acids |
-
1981
- 1981-04-30 JP JP56066682A patent/JPS57183733A/ja active Granted
-
1982
- 1982-04-20 EP EP82302024A patent/EP0065356B1/en not_active Expired
- 1982-04-20 DE DE8282302024T patent/DE3265190D1/de not_active Expired
- 1982-04-27 US US06/372,379 patent/US4376871A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0153263B2 (en, 2012) | 1989-11-13 |
EP0065356B1 (en) | 1985-08-07 |
EP0065356A1 (en) | 1982-11-24 |
US4376871A (en) | 1983-03-15 |
DE3265190D1 (en) | 1985-09-12 |
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