PT87221A - Processo para a preparacao de esteres do acido lactico opticamente puros - Google Patents

Processo para a preparacao de esteres do acido lactico opticamente puros

Info

Publication number
PT87221A
PT87221A PT87221A PT8722188A PT87221A PT 87221 A PT87221 A PT 87221A PT 87221 A PT87221 A PT 87221A PT 8722188 A PT8722188 A PT 8722188A PT 87221 A PT87221 A PT 87221A
Authority
PT
Portugal
Prior art keywords
alcohol
enclosure
preparation
ester
optically pure
Prior art date
Application number
PT87221A
Other languages
English (en)
Other versions
PT87221B (pt
Inventor
Michel Alas
Albert Bouniot
Pierre Redien
Original Assignee
Rhone Poulenc Chimie
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Publication of PT87221A publication Critical patent/PT87221A/pt
Publication of PT87221B publication Critical patent/PT87221B/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
    • C07C69/67—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
    • C07C69/675—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids of saturated hydroxy-carboxylic acids
    • C07C69/68—Lactic acid esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
PT87221A 1987-04-13 1988-04-12 Processo para a preparacao de esteres do acido lactico opticamente puros PT87221B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8705407A FR2613715B1 (fr) 1987-04-13 1987-04-13 Procede de preparation d'esters de l'acide lactique optiquement purs

Publications (2)

Publication Number Publication Date
PT87221A true PT87221A (pt) 1988-05-01
PT87221B PT87221B (pt) 1992-08-31

Family

ID=9350188

Family Applications (1)

Application Number Title Priority Date Filing Date
PT87221A PT87221B (pt) 1987-04-13 1988-04-12 Processo para a preparacao de esteres do acido lactico opticamente puros

Country Status (7)

Country Link
EP (1) EP0287426B1 (pt)
AT (1) ATE65490T1 (pt)
BR (1) BR8801711A (pt)
DE (1) DE3863821D1 (pt)
FR (1) FR2613715B1 (pt)
IE (1) IE60454B1 (pt)
PT (1) PT87221B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677354B1 (fr) * 1991-06-05 1993-09-03 Rhone Poulenc Chimie Procede pour la preparation d'esters d'acides racemisables.
US6342626B1 (en) * 2001-01-31 2002-01-29 Council Of Scientific & Industrial Research Process for the preparation of alkyl esters from commercial lactic acid
DE10353934A1 (de) 2003-11-18 2005-06-23 Sasol Germany Gmbh Verfahren zur Herstellung von Metallsalzen der Trifluormethansulfonsäure und deren Verwendung als Veresterungskatalysatoren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2406648A (en) * 1942-12-08 1946-08-27 Sealtest Inc Process of preparing water-soluble alkyl lactates
US2410740A (en) * 1944-04-01 1946-11-05 Libbey Owens Ford Glass Co Preparation of lactates
US2519906A (en) * 1947-05-26 1950-08-22 Us Ind Chemicals Inc Production of lactig acid esters

Also Published As

Publication number Publication date
FR2613715B1 (fr) 1990-11-09
EP0287426A1 (fr) 1988-10-19
ATE65490T1 (de) 1991-08-15
FR2613715A1 (fr) 1988-10-14
IE881099L (en) 1988-10-13
PT87221B (pt) 1992-08-31
BR8801711A (pt) 1989-11-07
IE60454B1 (en) 1994-07-13
EP0287426B1 (fr) 1991-07-24
DE3863821D1 (de) 1991-08-29

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19920204

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19930831