| 摘要 |
1466558 Benzotriazole, benzimidazole, naphthotriazole and naphthimidazole derivatives CIBA-GEIGY AG 7 Jan 1976 [23 Jan 1975] 2929/75 Heading C2C [Also in Division C7] Novel compounds of Formula I in which X is N or CR wherein R is H or C 1 -C 4 alkyl; A is a benzene or naphthalene radical, unsubstituted or substituted by one or more C 1 -C 12 alkyl, or C 7 -C 9 aralkyl radicals; R 1 and R 2 are independently either a radical of formula R 3 O[(alkylene)O] x (alkylene)- wherein R 3 is H or C 1 -C 20 alkyl, "alkylene" is straight- or branched-chain C 2 or C 3 alkylene and x is 0, 1, 2, 3, or 4, or are C 2 -C 20 alkenyl or C 2 -C 5 cyanoalkyl; or R 1 is as defined above and R 2 is H, C 1 -C 20 alkyl, C 6 -C 10 aryl, C 5 -C 12 cycloalkyl, C 7 -C 9 aralkyl, a heterocyclic radical or a radical of formula are prepared by reacting a compound of formula with formaldehyde and an amine of formula R 1 -NH-R 2 . They are used as corrosion inhibitors or metal passivators in a wide range of functional fluids. |
