| 摘要 |
<p>N-substd. benzothiazol-2-sulphonamides of formula (I) is new. In (I) R is (substd.) benzothiazolyl of formula (II), X is halogen, lower alkyl, lower alkoxy, acetamido or nitro; R1 is H, halogen, (cyclo)alkyl, benzyl, phenyl opt. substd. by halogen, lower alkyl or nitro, naphthyl or R2-5 and R2 is (cyclo)alkyl, benzyl, trichloromethyl, naphthyl or phenyl opt. substd. by halogen, lower alkyl, nitro or carboxy. (I) are anti-scorch agents for natural- and diene rubbers. (I) can be used in small amts. and produces rubbers with good properties. (I) can also be used as stabilisers for rubbers and resins, pharmaceuticals, agricultural chemicals, corrosion inhibitor for metals, an additive for lubricants and their intermediates.</p> |
