IT1141938B - Processo per la preparazione di acido levulinico e relativi esteri - Google Patents
Processo per la preparazione di acido levulinico e relativi esteriInfo
- Publication number
- IT1141938B IT1141938B IT21702/80A IT2170280A IT1141938B IT 1141938 B IT1141938 B IT 1141938B IT 21702/80 A IT21702/80 A IT 21702/80A IT 2170280 A IT2170280 A IT 2170280A IT 1141938 B IT1141938 B IT 1141938B
- Authority
- IT
- Italy
- Prior art keywords
- preparation
- levulinic acid
- foreign affairs
- affairs
- foreign
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/036,718 US4236021A (en) | 1979-05-07 | 1979-05-07 | Process for the manufacture of levulinic acid and esters |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8021702A0 IT8021702A0 (it) | 1980-04-29 |
IT1141938B true IT1141938B (it) | 1986-10-08 |
Family
ID=21890220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21702/80A IT1141938B (it) | 1979-05-07 | 1980-04-29 | Processo per la preparazione di acido levulinico e relativi esteri |
Country Status (8)
Country | Link |
---|---|
US (1) | US4236021A (it) |
EP (1) | EP0028234A4 (it) |
JP (1) | JPS56500451A (it) |
BE (1) | BE883067A (it) |
BR (1) | BR8008666A (it) |
CA (1) | CA1140579A (it) |
IT (1) | IT1141938B (it) |
WO (1) | WO1980002423A1 (it) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5189215A (en) * | 1989-06-05 | 1993-02-23 | Chemie Linz Gesellschaft M.B.H. | Process for the preparation of storage-stable levulinic acid |
AT392468B (de) * | 1989-06-05 | 1991-04-10 | Chemie Linz Gmbh | Verfahren zur herstellung lagerstabiler laevulinsaeure |
US5892107A (en) * | 1996-11-08 | 1999-04-06 | Arkenol, Inc. | Method for the production of levulinic acid |
US7265239B2 (en) * | 2005-08-26 | 2007-09-04 | Shell Oil Company | Process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate |
US20100279361A1 (en) * | 2007-05-02 | 2010-11-04 | Mascoma Corporation | Two-stage method for pretreatment of lignocellulosic biomass |
US8372164B2 (en) * | 2007-12-19 | 2013-02-12 | Shell Oil Company | Gasoline composition and process for the preparation of alkylfurfuryl ether |
EP2403821A2 (en) | 2009-03-05 | 2012-01-11 | Segetis, Inc. | Method for the preparation of alkyl levulinates |
US8138371B2 (en) | 2009-03-11 | 2012-03-20 | Biofine Technologies Llc | Production of formic acid |
CN104066705B (zh) | 2011-11-23 | 2016-12-07 | Gf生化有限公司 | 制备乙酰丙酸的方法 |
US9174909B2 (en) | 2012-02-02 | 2015-11-03 | Wisconsin Alumni Research Foundation | Two-stage, acid-catalyzed conversion of carbohydrates into levulinic acid |
US9290429B2 (en) * | 2012-08-02 | 2016-03-22 | Danmarks Tekniske Universitet | Conversion of carbohydrates to levulinic acid esters |
US9073841B2 (en) | 2012-11-05 | 2015-07-07 | Segetis, Inc. | Process to prepare levulinic acid |
EP3115351A1 (en) | 2015-07-10 | 2017-01-11 | GFBiochemicals Ltd. | Levulinic acid compositions |
EP3115352A1 (en) | 2015-07-10 | 2017-01-11 | GFBiochemicals Ltd. | Process for the isolation of levulinic acid |
EP3115353A1 (en) | 2015-07-10 | 2017-01-11 | GFBiochemicals Ltd. | Process for the isolation of levulinic acid |
WO2018112778A1 (en) * | 2016-12-21 | 2018-06-28 | Rhodia Operations | Process for the preparation of levulinate esters |
CN110963914B (zh) * | 2018-09-29 | 2022-12-09 | 中国科学院宁波材料技术与工程研究所 | 通过调控含水量制备乙酰丙酸烷基酯的方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2171795A (en) * | 1936-04-29 | 1939-09-05 | Rohm & Haas | Distillation of polymerizable materials |
US2763665A (en) * | 1951-07-31 | 1956-09-18 | Howards Ilford Ltd | Process for the manufacture of levulinic acid esters |
US3031380A (en) * | 1959-11-16 | 1962-04-24 | Pacific Lab Inc | Process for enzyme production |
US3203964A (en) * | 1961-11-06 | 1965-08-31 | Quaker Oats Co | Preparation of levulinic acid esters from furfuryl alcohol |
US3358014A (en) * | 1964-02-03 | 1967-12-12 | Quaker Oats Co | Purification of furfuryl alcoholderived levulinic esters |
US3347752A (en) * | 1965-03-26 | 1967-10-17 | Merck & Co Inc | Microbiological cleavage process for resolving racemic alpha-methyl-beta-(3, 4,-dihydroxyphenyl)-alanine |
US3752849A (en) * | 1970-03-18 | 1973-08-14 | Otsuka Kagaku Yakuhin | Manufacture of levulinic acid |
US3729386A (en) * | 1971-01-04 | 1973-04-24 | Du Pont | Organic isocyanate recovery process by distillation with a tar-thinning agent and a stripping agent |
CA947214A (en) * | 1971-04-02 | 1974-05-14 | Antoine D'iorio | Resolution of racemates of ring-substituted phenylalanines |
JPS5233194B2 (it) * | 1973-04-24 | 1977-08-26 | ||
US3963573A (en) * | 1975-03-03 | 1976-06-15 | The Procter & Gamble Company | Process for producing N-acyl-L-methionine |
FR2352827A1 (fr) * | 1976-05-26 | 1977-12-23 | Rhone Poulenc Ind | Complexes support-aminoacylase |
-
1979
- 1979-05-07 US US06/036,718 patent/US4236021A/en not_active Expired - Lifetime
-
1980
- 1980-04-14 WO PCT/US1980/000454 patent/WO1980002423A1/en not_active Application Discontinuation
- 1980-04-14 BR BR8008666A patent/BR8008666A/pt unknown
- 1980-04-14 JP JP50166380A patent/JPS56500451A/ja active Pending
- 1980-04-17 CA CA000350086A patent/CA1140579A/en not_active Expired
- 1980-04-29 IT IT21702/80A patent/IT1141938B/it active
- 1980-04-30 BE BE0/200431A patent/BE883067A/fr unknown
- 1980-11-17 EP EP19800900904 patent/EP0028234A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0028234A4 (en) | 1981-08-27 |
JPS56500451A (it) | 1981-04-09 |
EP0028234A1 (en) | 1981-05-13 |
BR8008666A (pt) | 1981-03-31 |
CA1140579A (en) | 1983-02-01 |
WO1980002423A1 (en) | 1980-11-13 |
BE883067A (fr) | 1980-08-18 |
US4236021A (en) | 1980-11-25 |
IT8021702A0 (it) | 1980-04-29 |
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