New 3-substd. 4-sulpho-methyl-pyrrolidinium betaine cpds. - contg. 2-silyl:alkylamino-propyl:sulphonyl-methyl gp. useful as biocides surfactants, etc.

摘要

3-(2-(N-Silylalkylamino propylsulphonylmethyl) -4-sulphomethylpyrrolidinium betaines of formula (I) are new. Where, R1 and R2 = H, 1-20C alkyl or alkylcarbamoylmethyl; R3 = a 2- to 70-unit siloxane gp. or a 1-3C alkoxy silyl gp.; and z = 1-4C alkylene. USE - (I) are useful as biocides, intermediates, antistatic agents, hard surface finishes and surfactants.