A SIMPLE SYNTHESIS OF 2-SUBSTITUTED 2-AMINOETHYLPHENYLPHOSPHINIC ACIDS

Authors
Citation
H. Krawczyk, A SIMPLE SYNTHESIS OF 2-SUBSTITUTED 2-AMINOETHYLPHENYLPHOSPHINIC ACIDS, Phosphorus, sulfur and silicon and the related elements, 118, 1996, pp. 195-204
Citations number
34
Categorie Soggetti
Chemistry Inorganic & Nuclear
ISSN journal
10426507
Volume
118
Year of publication
1996
Pages
195 - 204
Database
ISI
SICI code
1042-6507(1996)118:<195:ASSO22>2.0.ZU;2-D
Abstract
Piperidine catalysed reaction of methyl phenylphosphinylacetic acid 1 with paraformaldehyde and primary or secondary alcohols gave methyl ph enyl(1-alkoxymethyl)vinylphosphinates 3a-f. Conjugate addition of prim ary amines or ammonia to 3 followed by hydrolysis of the resulting 2-a minophosphinates 5 and 7 afforded 2-aminoethylphenylphosphinic acids 6 and 8 respectively.