会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 10. 发明授权
    • Stabilizer thiirane derivatives containing hindered phenol groups
    • 含有受阻酚基团的稳定剂硫杂环丙烷衍生物
    • US4797218A
    • 1989-01-10
    • US898815
    • 1986-08-18
    • David H. SteinbergFrank Cortolano
    • David H. SteinbergFrank Cortolano
    • C07D331/02C08K5/45C09K15/14C09K15/28C10M135/34C10M105/08C07D327/02C09K15/08C09K15/10
    • C07D331/02C08K5/45C09K15/14C09K15/28C10M135/34
    • Compounds of the formula I ##STR1## in which R.sub.1 and R.sub.2, independently, denote alkyl with 1 to 6 carbon atoms, cycloalkyl with 5 to 8 carbon atoms, allyl, methallyl, aralkyl with 5 to 9 carbon atoms, phenyl, 1- or 2-naphthyl, or alkaryl with 7 to 9 carbon atoms, R.sub.2 moreover also denotes hydrogen, R.sub.3 denotes hydrogen, alkyl with 1 to 6 carbon atoms, unsubstituted phenyl or phenyl substituted by one or two chlorine atoms and/or one or two methyl groups, B denotes a hetero atom, the group --OC(O)--, --OC(O)--CH.sub.2 CH.sub.2 -- or a direct bond, m is an integer from 0 to 6, and n is an integer from 1 to 6, are prepared by reaction of a thioglycerol derivative with a carboxylic acid containing the hindered phenol moiety in the presence of an acid and are used as antioxidants and thermal stabilizers for lubricating oils, plastics, resins and other organic substrates.
    • 其中R 1和R 2独立地表示具有1至6个碳原子的烷基,具有5至8个碳原子的环烷基,烯丙基,甲代烯丙基,具有5至9个碳原子的芳烷基的式I化合物(I) 1-或2-萘基或具有7至9个碳原子的烷芳基,R 2还表示氢,R 3表示氢,具有1至6个碳原子的烷基,未取代的苯基或被一个或两个氯原子取代的苯基和/或一个或 两个甲基,B表示杂原子,基团-OC(O) - , - OC(O)-CH 2 CH 2 - 或直接键,m是0至6的整数,n是1至6的整数 通过硫代甘油衍生物与含有受阻酚部分的羧酸在酸的存在下反应制备,并用作润滑油,塑料,树脂和其它有机基材的抗氧化剂和热稳定剂。