申请人:Chemtura Corporation
公开号:US20170015618A1
公开(公告)日:2017-01-19
Diaryl amines are selectively alkylated by reaction with branched olefins, which olefins are capable of forming tertiary carbonium ions and can be conveniently prepared from readily available branched alcohols. The diaryl amine products are effective antioxidants and often comprise a high amount of di-alkylated diaryl amines and a low amount of tri- and tetra-alkylated diaryl amines.
二芳基胺通过与支链烯烃反应选择性地烷基化,这些烯烃能够形成三级碳离子,并且可以从易得的支链醇方便地制备。二芳基胺产品是有效的抗氧化剂,通常包含大量的二烷基化二芳基胺和少量的三烷基化和四烷基化二芳基胺。