METHOD OF OBTAINING ESTERS OF PHOSPHORUS ACIDS

A process for the preparation of a (thio)phosphoric(phosphonic) acid ester of the formula XY-R2 PARALLEL R1-P ANGLE R3R5 ¦¦ (I) Z---C-C-Hal ¦¦ R4R6 in which R1 is a straight-chain or branched alkyl, alkylmercapto or alkoxy group with up to 8 carbon atoms, R2 is alkyl with 1 to 8 carbon atoms optiona...

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Bibliographische Detailangaben
Hauptverfasser:	DITER ARLT,DT, KURT LEJ,DT
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY COMPOSITIONS BASED THEREON METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A process for the preparation of a (thio)phosphoric(phosphonic) acid ester of the formula XY-R2 PARALLEL R1-P ANGLE R3R5 ¦¦ (I) Z---C-C-Hal ¦¦ R4R6 in which R1 is a straight-chain or branched alkyl, alkylmercapto or alkoxy group with up to 8 carbon atoms, R2 is alkyl with 1 to 8 carbon atoms optionally substituted by chlorine, R3, R4, R5 and R6 each independently is hydrogen or some other radical, X, Y and Z each independently is oxygen or sulfur, and Hal is chlorine or bromine, WHICH COMPRISES REACTING AN OLEFIN OF THE FORMULA R3R5 ANGLE C=C ANGLE (II) R4R6 in a one-step process with a halogenating agent and a (thio)phosphoric(phosphonic) acid ester of the formula XY-R2 PARALLEL R1-P ANGLE (III) Y-R2