| 摘要 |
1331346 Phosphonic acid derivatives CIBA GEIGY AG 19 April 1971 [10 March 1970] 23110/71 Heading C2P [Also in Division D1] Phosphorus compounds are reaction products of (a<SP>1</SP>) a nitrogen compound which can be at least dimethylolated, (b<SP>1</SP>) a compound of formula wherein R 1 and R 2 are each alkyl, alkenyl or haloalkyl with at most 4C if X is H or methyl, (c<SP>1</SP>) formaldehyde or paraformaldehyde and (d<SP>1</SP>) optionally an alkanol of 1-4C. The reaction products may be of the formula wherein Y is alkyl (1-4 C), m is 4 to 6, n is 3 or 4 and p is a positive integer not greater than n + 1, or of the formula wherein A is CO, CS, -C=NH- or -CONE.CO wherein E is H or -CH 2 OY 1 , Y 1 is alkyl (1-4C) or H and q is 1, 2 or 3. Specified reactants (a<SP>1</SP>) are melamine, N-butylmelamine, ammeline, formo-, benzo-, aceto- and diguanamines, thioureas, alkylene-ureas and diureas, biuret, guanidines, 4,5-dihydroxy-imidazolidone-2 or the 4-.CH 2 .CH 2 .CONH.CH 2 OH derivative thereof, urea, and the compounds of formulae |
