| 摘要 |
<p>Vinyl-v-triazole textile blueing. Title cpds. of formula: (where B is a heterocyclic-aromatic radical, R1-R4 are H, lower alkyl, Y is aryl, carbocyclic or heterocyclic radical). are prepd. by elimination of one mole of water from (i) or (ii) by using a condensation acid. Cpds. are for use as a textile bluer, esp. polyamides (synthetic), cellulosic textiles etc.</p> |
