Zobrazeno 1 - 4
of 4
pro vyhledávání: '"V. A. Al\\'fonsov"'
Publikováno v:
Russian Chemical Bulletin. 58:244-247
A reaction of ent-16-oxobeyeran-19-oic acid (isosteviol) with an excess of PCl3 gives the corresponding acid chloride as a sole product. The latter reacts with trialkyl phosphites and dialkyl trimethylsilyl phosphites to yield acylphosphonates inert
Autor:
V. F. Zheltukhin, Ivan I. Stoikov, Igor S. Antipin, A. I. Konovalov, N. A. Fitseva, V. A. Al\\'fonsov, L. I. Gafioullina, L. R. Akhmetzyanova, A. I. Devyaterikova
Publikováno v:
Russian Chemical Bulletin. 53:1577-1583
New α-amino phosphonates containing different alkyl and aryl substituents at the α-carbon atom were synthesized in high yields by the Kabachnik—Fields and Pudovik reactions. These compounds were studied as carriers of several α-hydroxy carboxyli
Publikováno v:
Russian Chemical Bulletin. 50:287-291
O,O"-Bis-(O,O"-dialkyl 1-phosphorylbenzyl)phenylphosphonites (1a--c) and -thionophosphonates (2a--c) containing a pseudochiral center were synthesized. Based on analysis of the “topic” relations between the chiral fragments of the stereoisomeric
Autor:
Mudaris N. Dimukhametov, E. Yu. Davydova, V. A. Al\\'fonsov, T. A. Zyablikova, E. V. Bayandina, Igor A. Litvinov, Alexey B. Dobrynin
Publikováno v:
Russian Chemical Bulletin. 50:2468-2470
The reaction of R-(+)-2-benzylideneaminobutan-1-ol with ethylene phosphorochloridite afforded phosphorus-epimeric (3R,5R)-2-(2-chloroethoxy)-5-ethyl-2-oxo-3-phenyl-1,4,2-oxazaphosphorinanes. The phosphorinane-ring closure proceeded stereospecifically