Jm. Gil et al., A NEW AND FACILE SYNTHETIC ROUTE TO 1-ALKYL-2-OXOPROPYLPHOSPHONATES -1-ALKYLATION WITH SUBSEQUENT OZONOLYSIS OF 2-METHYL ALLYLIC PHOSPHONATES, Synthetic communications, 28(19), 1998, pp. 3601-3607
Alkylation of the 2-methyl allylic phosphonates is performed by treatm
ent with n-BuLi, followed by addition of alkyl halides. The 1-alkyl-2-
oxopropylphosphonates are obtained by the ozonolysis of the correspond
ing allylic phosphonates.