Rm. Moriarty et al., NEW ORGANOHYPERVALENT IODINE REAGENTS FOR ALPHA-METHYLPHOSPHONYLATIONS AND ALPHA-DIPHENYL-PHOSPHINYLATION AND ALPHA-DIMETHYLPHOSPHINYLATION, Tetrahedron letters, 38(14), 1997, pp. 2401-2404
roxy(((phenoxy)(methyl)phosphoryl)oxy)iodo]benzene (1), [hydroxy(((dip
henyl)phosphoryl)oxy)iodo]benzene (2) and [hydroxy(((dimethyl)phosphor
yl)oxy)iodo]benzene (3), obtained from the reaction of iodosobezene wi
th phenyl methylphosphonic acid, diphenyl- and dimethylphosphinic acid
, respectively, effect the introduction of the corresponding phosphona
te or phosphinate groups alpha- to ketone and ester carbonyl groups. P
henylacetylene is transformed by reagents 1-3 into the corresponding a
lpha-functionalized acetophenone derivatives. (C) 1997 Elsevier Scienc
e Ltd.