Process for the preparation of phosphonic acid esters

Details Process for the preparation of phosphonic acid esters Process for the preparation of phosphonic acid esters

1984-05-29

1987-04-07

Andrews., R.

Chemistry: electrical and wave energy

Processes and products

204 59R, C25C 100

Patent

active

046558837

ABSTRACT:
The present invention relates to a new process for the preparation of phosphonic acid esters of the formula I ##STR1## in which Ar denotes phenyl, a binuclear or polynuclear aromatic radical, cycloheptatrienyl, furyl or pyridyl, X denotes (substituted) alkyl, (substituted) alkoxy or optionally substituted aryl, aryloxy, heterocyclyloxy or arylmercapto radicals, phenylcarbonylamino, alkylcarbonylamino or alkoxycarbonylamino, alkylmercapto, alkoxycarbonyloxy, alkoxycarbonylalkoxy, phenylaminocarbonyloxy or alkylaminocarbonyloxy or two radicals X in the orthoposition together form a (substituted) (C.sub.3 -C.sub.4) chain in which 2 carbon atoms can be replaced by oxygen, Y denotes halogen, alkoxycarbonyl, alkylcarbonyl, nitro, nitroso, cyano, alkylsulfonyl, phenylsulfonyl, alkoxysulfonyl, phenoxysulfonyl, alkoxy/alkylphosphinyl, halogenated alkyl, formyl or (substituted) amidosulfonyl, R denotes alkyl, n denotes 1, 2 or 3 and m denotes 0, 1, 2 or 3, wherein a compound of the formula II

REFERENCES:
patent: 4124456 (1978-11-01), Yagupolsky et al.
patent: 4337125 (1982-06-01), Kuch et al.

Affiliated with

Also associated with

Rating

Process for the preparation of phosphonic acid esters does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of phosphonic acid esters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of phosphonic acid esters will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1085167