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公开(公告)号：US4319052A
公开(公告)日：1982-03-09
申请号：US822374
申请日：1977-08-05
申请人： Evgeny L. Styskin , Yakov A. Gurvich , Simona T. Kumok , Olga F. Starikova , Grigory I. Rutman , Jury I. Michurov , Vladimir A. Yanshevsky , Vladimir K. Gusev , Alexandr G. Liakumovich
发明人： Evgeny L. Styskin , Yakov A. Gurvich , Simona T. Kumok , Olga F. Starikova , Grigory I. Rutman , Jury I. Michurov , Vladimir A. Yanshevsky , Vladimir K. Gusev , Alexandr G. Liakumovich
CPC分类号： C07C37/115 , C07C37/20 , C07C2101/14
摘要： A method for preparing sterically hindered bis- or polyphenols of the formula: ##STR1## wherein R' is hydrogen, a C.sub.1 -C.sub.4 alkyl; R" and R"' the same or different and are each: ##STR2## wherein R is a tertiary C.sub.4 -C.sub.8 alkyl, R.sub.1 and R.sub.2 are the same or different and represent a C.sub.1 -C.sub.8 alkyl or a C.sub.6 -C.sub.8 cycloalkyl, or a C.sub.7 -C.sub.9 aralkyl, which comprises reacting the starting sterically hindered 2,4,6-trialkylphenols of the formula: ##STR3## wherein A is a C.sub.1 -C.sub.8 alkyl or a C.sub.6 -C.sub.8 cycloalkyl or a C.sub.7 -C.sub.9 aralkyl or a 3,5-dialkyl-2-hydroxybenzyl of the formula: ##STR4## B is a C.sub.1 -C.sub.8 alkyl, or a C.sub.6 -C.sub.8 cycloalkyl, or a C.sub.7 -C.sub.9 aralkyl, or a 3,5-dialkyl-4-hydroxybenzyl of the formula: ##STR5## wherein R.sub.1 and R are as identified above, with acetals, aldehydes or donors of C.sub.1 -C.sub.5 aldehydes in an acidic medium at a temperature within the range of from 60.degree. to 200.degree. C. in the presence of an acidic catalyst, followed by isolation of the desired product.The method according to the present invention makes it possible to prepare sterically hindered bis- or polyphenols in a single stage, whereby the process technology is substantially simplified as compared to those of the prior art. The method of the present invention precludes formation of waste water and atmospheric pollutants. The method ensures preparation of the desired products possessing high quality in high yield without any additional crystallization.
摘要翻译： 制备下式的空间位阻双酚或多酚的方法：其中R'是氢，C1-C4烷基; R“和R”相同或不同，各自为：其中R为叔C4-C8烷基，R1和R2相同或不同，表示C1-C8烷基或 C 6 -C 8环烷基或C 7 -C 9芳烷基，其包括使下式的起始空间位阻2,4,6-三烷基酚与其反应：其中A是C1-C8烷基或C6-C8环烷基或 C7-C9芳烷基或下式的3,5-二烷基-2-羟基苄基：B是C 1 -C 8烷基或C 6 -C 8环烷基或C 7 -C 9芳烷基， 下式的二烷基-4-羟基苄基：其中R1和R如上所定义，在酸性介质中在60至200℃的温度范围内与C1-C5醛的缩醛，醛或供体 在酸性催化剂存在下，然后分离所需产物。 根据本发明的方法使得可以在单个阶段中制备空间位阻双酚或多酚，由此与现有技术相比，工艺技术被大大简化。 本发明的方法排除了废水和大气污染物的形成。 该方法可确保以高产率制备具有高质量的所需产品，而无需任何额外的结晶。
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2.发明授权Method for the production of 2,4,6-tri(3,5-ditertiary butyl-4-hydroxybenzyl) mesitylene 失效2,4,6-三（3,5-二叔丁基-4-羟基苄基）均三甲苯的制备方法
公开(公告)号：US4259534A
公开(公告)日：1981-03-31
申请号：US840329
申请日：1977-10-07
申请人： Yakov A. Gurvich , Simona T. Kumok , Galina G. Latysheva , Anna I. Rybak , Evgeny L. Styskin , Alexandr G. Liakumovich , Jury I. Michurov , Rufina A. Filipova , Vladimir A. Yanshevsky , Grigory I. Rutman , Igor J. Logutov
发明人： Yakov A. Gurvich , Simona T. Kumok , Galina G. Latysheva , Anna I. Rybak , Evgeny L. Styskin , Alexandr G. Liakumovich , Jury I. Michurov , Rufina A. Filipova , Vladimir A. Yanshevsky , Grigory I. Rutman , Igor J. Logutov
摘要： A method for the production of 2,4,6-tri(3,5-ditertiary butyl-4-hydroxybenzyl)mesitylene which resides in treating a mesitylene solution in chloroalkane simultaneously with sulfuric acid used as a catalyst and a solution of 2,6-ditertiary butyl-4-methoxymethylphenol or bis-3,5-ditertiary butyl-4-hydroxybenzyl ether in chloroalkane at a temperature of -20.degree. to +20.degree. C. This results in a reaction mixture consisting of an acid phase and an organic phase including the target product. The phases are separated. The organic phase is subjected to neutralization by the treatment thereof with gaseous ammonia used as an alkaline agent. The precipitate of ammonium sulfate is separated and chloroalkane is removed from the remaining solution.The proposed method makes it possible to obtain the target product with a yield of 88 to 90% and a melting temperature of 239.degree. to 239.5.degree. C.The method prevents the formation of effluents, and the amount of phenol wastes is considerably reduced.
摘要翻译： 一种制备2,4,6-三（3,5-二叔丁基-4-羟基苄基）均三甲苯的方法，该方法是用硫酸作为催化剂同时处理氯代烷烃中的均三甲苯溶液， - 二叔丁基-4-甲氧基甲基苯酚或双-3,5-二叔丁基-4-羟基苄基醚在-20℃至+ 20℃的温度下进行。这导致由酸相和有机物组成的反应混合物 包括目标产品。 相分离。 有机相用作为碱性试剂的气态氨进行中和处理。 分离出硫酸铵的沉淀物，从剩余的溶液中除去氯代烷烃。 所提出的方法可以获得88-90％的产率和239℃至239.5℃的熔融温度的目标产物。该方法可防止流出物的形成，并且苯酚废物的量显着降低。
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3.发明授权Method of removing aluminum-containing catalyst from phenol alkylation products 失效从苯酚烷基化产物中除去含铝催化剂的方法
公开(公告)号：US4232176A
公开(公告)日：1980-11-04
申请号：US695753
申请日：1976-06-14
申请人： Engel R. Adigamov , Yakov A. Gurvich , Alexandr G. Liakumovich , Igor J. Logutov , Jury I. Michurov , Alexei S. Polenov , Vladimir A. Yanshevsky
发明人： Engel R. Adigamov , Yakov A. Gurvich , Alexandr G. Liakumovich , Igor J. Logutov , Jury I. Michurov , Alexei S. Polenov , Vladimir A. Yanshevsky
CPC分类号： C07C37/86
摘要： Method of removing aluminum-containing catalyst from phenol alkylation products comprises treating phenol alkylation products with water at a temperature of 165.degree.-250.degree. C., with water being in molar excess to aluminum in a range of 3-20. The resulting residue of meta-aluminate is easily separated by filtration.The present invention allows eliminating constant control of aluminum content in alkylation products, easily removing the catalyst therefrom and eliminating the loss of phenol alkylation products.
摘要翻译： 从苯酚烷基化产物中除去含铝催化剂的方法包括在165℃-250℃的温度下用水处理苯酚烷基化产物，水与3-20的摩尔量摩尔。 所得到的偏铝酸盐的残留物通过过滤容易地分离。 本发明可以消除烷基化产物中铝含量的不断控制，容易地从其中除去催化剂并消除苯酚烷基化产物的损失。
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