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Abstract
The reaction of phosphorus trichloride and 1,3-propanediol was reinvestigated. Besides 2-chloro-1,3,2-dioxaphosphorinane 1 3-chloropropyl-dichlorophosphite 2 was formed. Compound 1 and 2 were fluorinated to give the corresponding phosphorinane 3 and the phosphite 4, respectively. Proton NMR spectra were recorded at 360.08 MHz and simulated for 1 and 3. The 4-H and 6-H signals were treated not as first order but as AA' XX' systems.