Ju. Rhee et al., A FACILE PREPARATION OF DIALKYL PHOSPHONATE COMPOUNDS FROM STERICALLYHINDERED P-NITROCUMYL HALIDES THROUGH THE S(RN)1 MECHANISM, Tetrahedron letters, 39(47), 1998, pp. 8601-8604
p-Nitrobenzyl phosphonate anion with p-nitrocumyl halides gives a good
yield of the coupling product dialkyl[(1,1-dimethyl-1,2-di-(p-nitrobe
nzyl)ethyl] phosphonates through the S(RN)1 mechanism. The reaction wa
s greatly accelerated by sunlamp irradiation but inhibited by the radi
cal scavenger (t-Bu)(2)NO .. (C) 1998 Elsevier Science Ltd. All rights
reserved.