Dimethyl Bis(methylthio)methylphosphonate

[61779-87-1] C5H13O3PS2 (MW 216.29) InChI = 1S/C5H13O3PS2/c1-7-9(6,8-2)5(10-3)11-4/h5H,1-4H3 InChIKey = CAHXAVHWMLFWIT-UHFFFAOYSA-N (treatment with base gives a carbanion that reacts with aldehydes and ketones1-5) Alternate Name: O,O-dimethyl formylphosphonate S,S-dimethyl thioacetal. Physical Data: bp 72 °C/0.05 mmHg. Solubility: sol THF, DME. Form Supplied in: not commercially available. Preparative Methods: (MeO)2P(O)CH(SMe)26 and related S,S-thioacetals of formylphosphonates6, 7 are readily prepared in high yields by the Arbuzov reaction of trialkyl phosphites with chloro dithioacetals (eq 1).1, 8 Other syntheses of thiophosphonates are known.9 (1)