| abstract |
The composn. comprises a 0.5-12% soln. of a cpd. - RYN(R1)CH2OR (R = H or lower alkyl; R1 = H, alkyl, hydroxymethyl, alkoxymethyl or YR11; Y is or -SO2- or group which forms with R11 a heterocycle opt. contg. other -N(R1)CH2OR groups; R' is H, alkyl or alkoxy, these gps. opt. contng. an amide or carbamate groups, which may be substd. at N by methylolo gps; R" alternatively may be amino, opt. substd. by alkyl, CN or CH2OR; or it may be aryl or alkaryl; R' and R" may form a heterocycle, opt. contg. Y-N(R1)CH2OR groups, and opt. substd.). |