Fiber-reactive phosphorus mothproofing agents

A compound of the formula:

• ##STR65## wherein:
• X and Y are independently O or S;
• R.sub.1 is alkyl, alkoxy, alkylamino, dialkylamino or alkylmercapto having 1 to 6 carbon atoms;
• amino or phenyl;
• R.sub.2 is alkyl having 1 to 6 carbon atoms;
• R.sub.3 is a group of the formula:
• -J-(K-L).sub.n ( 2)
• wherein:
• J is a cyclic group selected from the group consisting of phenyl, naphthyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, pyrazolyl, imidazolyl, 1,2,4-triazolyl, 1,3,4-thiodizolyl, indazolyl, phthalazinyl, quinoxalinyl, cinnolinyl and isoxazolyl, which cyclic group is linked directly to the group Y and is is linked to the group K by a divalent alkyl group or a divalent alkylmercapto group containing 1 to 4 carbon atoms, said divalent group being linked to the group K through a carbon atom, and said cyclic group being unsubstituted or substituted by substituents selected from the group consisting of halo, cyano, keto, nitro, lower alkylmercapto, cyanoalkylmercapto, lower alkoxy, lower alkyl and lower alkyl substituted with substituents selected from the group consisting of halo, cyano, lower alkylmercapto, lower alkoxy and nitro groups;
• K is one of the following groups:
• ##STR66## linked to J through the oxygen atom in the case of (3), (5) or (6), and through the nitrogen atom in the case of (4), and in which the carbonyl oxygen atom of (3), (4) or (5), or one or both carbonyl oxygen atoms of (6) may be replaced by sulphur;
• R.sub.4 is hydrogen, an aryl group having 6 to 10 carbon atoms, or an alkyl group of 1 to 6 carbon atoms;
• L is a halogenated alkyl or alkenyl group, an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 10 carbon atoms substituted with a vinylsulphonyl group, vinylsulphonamido group or a group capable of forming vinylsulphonyl or vinylsulphonylamido groups, or a 6-membered nitrogen heterocyclic group containing 2 to 3 nitrogen atoms and having attached to carbon atoms adjacent to a nitrogen atom of the ring 1 to 4 halogen atoms, and optionally being further substituted by substituents selected from the group consisting of cyano, an alkyl or alkoxy group containing 1 to 4 carbon atoms, an aryl, aryloxy, arylamino or arylsulphonyl group containing 6 to 10 carbon atoms, trifluoromethyl, amino, an alkylamino, dialkylamino or alkylsulphonyl group wherein the alkyl contains 1 to 4 carbon atoms and quaternary ammonium groups;
• the ring being linked directly to K or through an alkylene group having 1 to 4 carbon atoms;
• n is 1 to 3.