摘要:
Trithiophosphoric acid esters of formula: wherein R 1 is a methyl or ethyl group, useful as soil pesticides, are prepared from the corresponding phosphoric acids or the corresponding phosphites.
摘要:
Phosphorus compounds having at least one chlorine, bromine or iodine bonded directly to phosphorus are transhalogenated with fluorine by reaction with a fluoride salt, e.g., KF or ammonium fluoride, in an inert solvent in the presence of a catalytic amount of a carboxylic acid.