C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/291, 260/351
C07F 9/14 (2006.01) C07F 9/165 (2006.01) C07F 9/20 (2006.01) C07F 9/26 (2006.01) C07F 9/40 (2006.01) C07F 9/42 (2006.01)
Patent
CA 1173446
Abstract New cyanoalkylphosphoric acid ester chlorides of the general formula Image in which R represents a hydrogen atom, an optionally substi- tuted radical selected from alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aralkyl, aralkenyl and aryl, or an optionally substituted heterocyclic radical, R1 represents an optionally substituted radical selected from alkyl, alkenyl, alkinyl, aryl, aralkyl, alkoxy, aryloxy, aralkoxy, alkylthio, alkenylthio, alkinylthio, arylthio, aralkylthio, alkylamino (monoalkylamino or dialkylamino), arylamino or aralkylamino and X represents oxygen or sulphur are obtained by the reaction of a phosphoric acid dichloride of the general formula Image (II) in which R1 and X have the meaning given above, with an aldehyde of the general formula R-CHO (III) in which R has the meaning given above, in the presence of an approximately equimolar quantity of a water-soluble cyanide. The compounds of the formula (I) can be used as intermediate products for the preparation of insecticides.
396603
Hammann Ingeborg
Homeyer Bernhard
Kruger Bernd-Wieland
Riebel Hans-Jochem
Stendel Wilhelm
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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