Chun, Yong-Jin published the artcileSynthesis of ω-phthalimidoalkylphosphonates, Application of Diethyl (bromomethyl)phosphonate, the publication is Synthesis (1994), 909-10, database is CAplus.
Di-Et phthalimidoalkylphosphonates I (n = 1,2,3,4) were synthesized by the reaction of di-Et bromoalkylphosphonates with N-(tert-butyldimethylsilyl)phthalimide in the presence of tetrabutylammonium fluoride.
Synthesis published new progress about 66197-72-6. 66197-72-6 belongs to bromides-buliding-blocks, auxiliary class Aliphatic Chain, name is Diethyl (bromomethyl)phosphonate, and the molecular formula is C5H12BrO3P, Application of Diethyl (bromomethyl)phosphonate.
Referemce:
https://en.wikipedia.org/wiki/Bromide,
bromide – Wiktionary