DYEING SYNTHETIC POLYAMIDE FIBRE MATERIAL

摘要

1364122 Sulphonic acid derivatives CIBAGEIGY AG 1 Dec 1971 [2 Dec 1970] 55834/71 Heading C2C [Also in Division Dl] In Example 16 the compound of formula is obtained by treating 2,4-diaminobenzenesulphonic acid in water with thiophosgene, the precipitate being salted out. In Example 17 the compound of formula is obtained by treating methoxy-dichloro-5- triazine in acetone with p-phenolsulphonic acid the product being salted out.