Perlikowska, Wieslawa published the artcileOne-pot stereoselective synthesis of (Z)-diethyl α-chlorovinylphosphonates, Application of Diethyltrichloromethylphosphonate, the publication is Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1997), 967-970, database is CAplus.
Di-Et trichloromethylphosphonate, treated with BuLi followed by an aldehyde (or cycloalkenone), was converted to α-chlorovinylphosphonates, e.g. 85% (Z)-PhCH:C(Cl)(PO3Et2), via the intermediate formation of a bisphosphonate and a Wadsworth-Emmons olefination. High (Z) stereoselectivity of the reaction is discussed in terms of the conformational preferences of the adducts.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry published new progress about 866-23-9. 866-23-9 belongs to chlorides-buliding-blocks, auxiliary class Aliphatic Chain, name is Diethyltrichloromethylphosphonate, and the molecular formula is C5H10Cl3O3P, Application of Diethyltrichloromethylphosphonate.
Referemce:
https://en.wikipedia.org/wiki/Chloride,
Chlorides – an overview | ScienceDirect Topics