发明授权
US3983146A Process for the production of .alpha., .alpha., .alpha., .alpha.', .alpha.' , .alpha.', -hexakisaryl-1,3-and-1,4-dimethyl benzenes 失效
制备{60,{60,{60,{60 {40,{60 {40,{60 {40, - 六联芳基-1,3- - 1,4-二甲基苯

Process for the production of .alpha., .alpha., .alpha., .alpha.', .alpha.'
,
.alpha.', -hexakisaryl-1,3-and-1,4-dimethyl benzenes
摘要:
The present invention relates to a process of producing .alpha., .alpha., .alpha., .alpha.', .alpha.', .alpha.'-hexakisaryl-1,3- and -1,4-dimethyl benzenes by reacting .alpha., .alpha., .alpha.', .alpha.'-tetrakisaryl-1,3 or -1,4-bis-(chloromethyl)- or -bis-(hydroxymethyl)- benzenes with 2 to 30 times the molar quantity (based on the tetrakis benzene) of phenol or a substituted phenol.
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