METHOD FOR PRODUCING GLYOXYLIC ACID ESTERS OR THE HYDRATES THEREOF
The invention relates to a method for producing glyoxylic acid esters from glyoxylic acid ester hemiacetals which a) are directly transesterified with an alcohol in the presence of a catalyst; or b) are firstly converted into the corresponding glyoxylic acid whole acetals and are then transesterifie...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English French German |
| Published |
10.10.2001
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | The invention relates to a method for producing glyoxylic acid esters from glyoxylic acid ester hemiacetals which a) are directly transesterified with an alcohol in the presence of a catalyst; or b) are firstly converted into the corresponding glyoxylic acid whole acetals and are then transesterified with an alcohol in the presence of a catalyst, whereupon after a) and b) the acetals are divided into the desired, free glyoxylic acid ester or the hydrate thereof. |
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| AbstractList | The invention relates to a method for producing glyoxylic acid esters from glyoxylic acid ester hemiacetals which a) are directly transesterified with an alcohol in the presence of a catalyst; or b) are firstly converted into the corresponding glyoxylic acid whole acetals and are then transesterified with an alcohol in the presence of a catalyst, whereupon after a) and b) the acetals are divided into the desired, free glyoxylic acid ester or the hydrate thereof. |
| Author | ZIMMERMANN, CURT SAJTOS, ALEXANDER |
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| DocumentTitleAlternate | VERFAHREN ZUR HERSTELLUNG VON GLYOXYLSÄUREESTERN ODER DEREN HYDRATE PROCEDE ET DISPOSITIF POUR PREPARER DES ESTERS D'ACIDE GLYOXYLIQUE OU LEURS HYDRATES |
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| Notes | Application Number: EP19990958166 |
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| RelatedCompanies | DSM FINE CHEMICALS AUSTRIA NFG GMBH & CO KG |
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| Snippet | The invention relates to a method for producing glyoxylic acid esters from glyoxylic acid ester hemiacetals which a) are directly transesterified with an... |
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| SubjectTerms | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY |
| Title | METHOD FOR PRODUCING GLYOXYLIC ACID ESTERS OR THE HYDRATES THEREOF |
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