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
    • 4. 发明授权
    • Liquid polyfunctional additives
    • 液体多官能添加剂
    • US06448208B1
    • 2002-09-10
    • US09622707
    • 2000-08-21
    • Paul DubsRoger MartinSamuel EvansStephan AllenbachMarc Ribeaud
    • Paul DubsRoger MartinSamuel EvansStephan AllenbachMarc Ribeaud
    • C10M15916
    • C09K15/08C08K5/1345C08K5/375
    • A description is given of products obtainable by reacting components a), b), c) and, if desired, d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of the formula II, component c) is a component of the formula IIIa and/or of the formula IIIb or a mixture of compounds of the formula IIIa and/or IIIb, and component d) is a compound of the formula IV or a mixture of compounds of the formula IV, in which the general symbols are as defined therein, where the compound of the formula I is, for example, pentaerythritol, thiodiethylene glycol, 1,4-butanediol, 1,2-propanediol, diethylene glycol, triethylene glycol, 1,1,1-tris(hydroxymethyl)ethane, 2,2-dimethyl-1,3-propanediol or glycerol, the compound of the formula II is, for example, methyl 3-(3′,5′-di-tert-butyl-4′-hydroxyphenyl)propionate or methyl 3-(3′-tert-butyl-4′-hydroxy-5′-methylphenyl)-propionate, the compound of the formula IIIa is, for example, methyl pelargonate or methyl laurate and the compound of the formula IIIb is, for example, 2-dodecenylsuccinic anhydride, and the compound of the formula IV is, for example, C8-C30alkylbenzene or an alkane of 12 to 30 carbon atoms. These products can be employed as liquid antioxidants in fuels and polymers and as antifriction additives in lubricants.
    • 给出了通过使组分a),b),c)和(如果需要)d)反应获得的产物的描述,其中组分a)是式I化合物或式I化合物的混合物,组分b) 是式II的化合物或式II化合物的混合物,组分c)是式IIIa和/或式IIIb的组分或式IIIa和/或IIIb的化合物的混合物,以及组分 d)是式Ⅳ的化合物或式Ⅳ化合物的混合物,其中一般符号如上定义,其中式Ⅰ化合物是例如季戊四醇,硫代二甘醇, 丁二醇,1,2-丙二醇,二甘醇,三甘醇,1,1,1-三(羟甲基)乙烷,2,2-二甲基-1,3-丙二醇或甘油,式II化合物为 ,3-(3',5'-二叔丁基-4'-羟基苯基)丙酸甲酯或3-(3'-叔丁基-4'-羟基-5'-甲基苯基)丙酸甲酯,化合物 的fo 糠醛IIIa例如是壬酸甲酯或月桂酸甲酯,式IIIb化合物是例如2-十二碳烯基琥珀酸酐,式Ⅳ化合物是例如C 8 -C 30烷基苯或12〜 30个碳原子。 这些产品可用作燃料和聚合物中的液体抗氧化剂以及润滑剂中的减摩添加剂。
    • 9. 发明授权
    • Process for the preparation of hydroxybenzylphosphonates
    • 制备羟基苯甲酰磷酸酯的方法
    • US5157141A
    • 1992-10-20
    • US616549
    • 1990-11-21
    • Paul DubsWerner StegmannReto LuisoliRoger Martin
    • Paul DubsWerner StegmannReto LuisoliRoger Martin
    • C07F9/40
    • C07F9/4056
    • A process for the preparation of compounds of the general formula I ##STR1## in which R.sub.1 is hydrogen or methyl, R.sub.2 and R.sub.3 independently of one another are C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.8 cycloalkyl, phenyl, C.sub.7 -C.sub.9 phenylalkyl or halogen, R.sub.2 is additionally hydrogen and R.sub.7 and R.sub.8 independently of one another are C.sub.1 -C.sub.18 alkyl, phenyl or C.sub.7 -C.sub.18 alkylphenyl, which comprises reacting a phenol of the formula II ##STR2## in which R.sub.1 to R.sub.3 have the meaning described above, with formaldehyde or paraformaldehyde, an amine of the formula IIINR.sub.4 R.sub.5 R.sub.6 IIIin which R.sub.4 is C.sub.1 -C.sub.4 alkyl and R.sub.5 and R.sub.6 independently of one another are hydrogen or C.sub.1 -C.sub.4 alkyl, and a phosphite of the formula IV ##STR3## in which R.sub.7 and R.sub.8 have the meaning described above and R.sub.9 has the meaning given for R.sub.7 and R.sub.8, at a temperature of 0.degree.-200.degree. C.Some compounds of the formula I are novel.
    • 其中R 1是氢或甲基,R 2和R 3彼此独立地是C 1 -C 18烷基,C 5 -C 8环烷基,苯基,C 7 -C 9苯基烷基或卤素的通式I的化合物的方法,R 2是 另外氢和R 7和R 8彼此独立地是C 1 -C 18烷基,苯基或C 7 -C 18烷基苯基,其包括使式II的苯酚(其中R 1至R 3具有上述含义)与甲醛或多聚甲醛反应, 其中R 4为C 1 -C 4烷基且R 5和R 6彼此独立地为氢或C 1 -C 4烷基的式III的NR 4 R 5 R 6 III的胺,和其中R 7和R 8具有所述含义的式IV的亚磷酸酯 R9和R7具有对于R 7和R 8的含义,在0℃-200℃的温度下。式I的一些化合物是新的。