Process for the preparation of alkynols

Process for the preparation of alkynols

Process for the preparation of an alkynol with formula HC≡C-CH(OH)-R2(formula 2) wherein R2 represents methyl, halomethyl or ethyl, wherein the corresponding silyl-protected alkynol ester with formula 1 wherein R1 represents H, or an optionally substituted alkyl, an optionally substituted alkenyl or...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VERZIJL GERARDUS KAREL MARIA, BROXTERMAN QUIRINUS BERNARDUS
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
SPIRITS
VINEGAR
WINE
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Beschreibung
Zusammenfassung:Process for the preparation of an alkynol with formula HC≡C-CH(OH)-R2(formula 2) wherein R2 represents methyl, halomethyl or ethyl, wherein the corresponding silyl-protected alkynol ester with formula 1 wherein R1 represents H, or an optionally substituted alkyl, an optionally substituted alkenyl or an optionally substituted (hetero)aryl group, R2 is as defined above and A3Si represents a trisubstituted silyl group wherein each A independently represents an optionally substituted alkyl or an optionally substituted (hetero)aryl group, in the presence of water and at least an equivalent amount of amine functionalities is converted into the alkynol with formula 2. Preferably, the amount of water is between 0.5 and 3 equivalents calculated with respect to the amount of silyl-protected alkynol ester with formula (1).