申请人:CIBA-GEIGY AG
公开号:EP0330613A2
公开(公告)日:1989-08-30
New compositions comprise an organic material and, as corrosion inhibitor and/or antioxidant, at least one compound having the formula I:
wherein R¹ and R² may be the same or different and each is hydrogen, C₁-C₁₅alkyl, C₃-C₁₅alkenyl, C₇-C₁₀phenylalkyl, C₆-C₁₈aryl having 6 or 10 aromatic ring carbon atoms; or C₅-C₁₂cycloalkyl;
R³ is hydrogen or C₁-C₄alkyl; n is 0 or 1;
A is a residue of a heterocyclic ring having 5-7 ring members and 1-4 nitrogen atoms, or A is a residue of a heterocyclic ring having 5-7 ring memberes and 1-4 nitrogen atoms and is fused to a further heterocyclic ring or to a carbocyclic ring, or A is a carbocyclic ring, in particular a phenyl or naphthyl ring, and wherein R is one or more of hydrogen, C₁-C₁₅alkyl, C₁-C₄halogenoalkyl, C₁-C₁₂alkoxy, C₁-C₁₂alkylthio, phenylthio, benzylthio, C₁-C₁₂alkylsulphonyl, phenyl, C₇-C₁₅alkylphenyl, C₇-C₁₀phenylalkyl, C₅-C₈cycloalkyl, halogen, NO₂, CN, COOH, COO(C₁-C₁₂alkyl), OH, NH₂, CONH₂, NHR⁴, N(R⁴)₂, CONH(R⁴) or -CON(R⁴) or -CON(R⁴)₂ wherein R⁴ is C₁-C₁₂alkyl, C₃-C₁₂alkyl which is interrupted by one or more O-atoms, C₅-C₈cycloalkyl, benzyl, phenyl or phenyl which is substituted by halogen, C₁-C₄alkyl, C₁-C₄alkoxy or NO₂, or N(R⁴)₂ is a pyrrolidino, piperidino or morpholine group; provided that i) A is not benzothiazole residue; and ii) when A is a carbocyclic ring and n is 1, A is not 3,5-di-t-butyl-4-hydroxyphenyl and, when n is 1 and A is phenyl substituted by alkyl, R₁ and R₂ are not both t-butyl.
新组合物包括一种有机材料和作为缓蚀剂和/或抗氧化剂的至少一种具有式 I 的化合物:
其中 R¹ 和 R² 可以相同或不同,且各自为氢、C₁-C₁₅ 烷基、C₃-C₁₅ 烯基、C₇-C₁₀苯基、具有 6 或 10 个芳香环碳原子的 C₆-C₁₈芳基;或 C₅-C₁₂烷基;
R³ 是氢或 C₁-C₄ 烷基;n 是 0 或 1;
A 是具有 5-7 个环成员和 1-4 个氮原子的杂环的残余物,或者 A 是具有 5-7 个环成员和 1-4 个氮原子的杂环的残余物,并与另一个杂环或碳环融合、或 A 是碳环基,特别是苯基或萘基,其中 R 是氢、C₁-C₁₅烷基中的一个或多个、C₁-C₄卤代烷基、C₁-C₁₂烷氧基、C₁-C₁₂烷硫基、苯硫基、苄硫基、C₁-C₁₂烷基磺酰基、苯基、C₇-C₁₅烷基苯基、C₇-C₁₀苯基、C₅-C₈环烷基、卤素、NO₂、CN、COOH、COO(C₁-C₁₂alkyl)、OH、NH₂、CONH₂、NHR⁴、N(R⁴)₂、CONH(R⁴)或-CON(R⁴)或-CON(R⁴)₂,其中 R⁴ 为 C₁-C₁₂alkyl、被一个或多个 O 原子打断的 C₃-C₁₂ 烷基、C₅-C₈ 环烷基、苄基、苯基或被卤素取代的苯基、C₁-C₄烷基、C₁-C₄烷氧基或 NO₂,或 N(R⁴)₂ 是吡咯烷基、哌啶基或吗啉基;条件是 i) A 不是苯并噻唑残基;和 ii) 当 A 是碳环且 n 为 1 时,A 不是 3,5-二叔丁基-4-羟基苯基,且当 n 为 1 且 A 是被烷基取代的苯基时,R₁ 和 R₂ 不是叔丁基。