C07F9/443 - CPC Classification

Compounds containing elements of Groups 5 or 15 of the Periodic System; Phosphorus compounds with one or more P—C bonds; Phosphonic acids RP(=O)(OH); Thiophosphonic acids, i.e. RP(=X)(XH)2 (X = S, Se); Amides thereof the acid moiety containing a substituent or a structure which is considered as characteristic Amides of acids containing the structure -C(=Y)-P(=X)(XR)-N or NC-(P(=X)(XR)-N )