申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0172413A2
公开(公告)日:1986-02-26
wherein R, is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; R2 is a hydrogen atom or an alkyl group having 1 to 2 carbon atoms; and R3 and R4 is each independently an alkyl group having 1 to 12 carbon atoms, which process comprises reacting a piperidine represented by the general formula (I)
wherein R1 and R2 are as defined above, with a ketone represented by the general formula (II) wherein R3 and R4 are as defined above, in the presence of chloroform and alkali and in the presence or absence of a phase transfer catalyst, and a stabilized resin composition comprising a resin, said piperidine derivative, a phenol-type antioxidant and a sulfur-containing antioxidant.
其中,R 是氢原子或具有 1 至 3 个碳原子的烷基;R2 是氢原子或具有 1 至 2 个碳原子的烷基;R3 和 R4 分别独立地是具有 1 至 12 个碳原子的烷基,该过程包括使通式 (I) 所代表的哌啶发生反应
其中 R1 和 R2 如上文所定义,与通式(II)(其中 R3 和 R4 如上文所定义)所代表的酮在氯仿和碱的存在下,以及在有或没有相转移催化剂的情况下,与一种稳定树脂组合物反应,该树脂组合物包括树脂、所述哌啶衍生物、苯酚型抗氧化剂和含硫抗氧化剂。