He Quan-guo
2007
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Journal
Contemporary Chemical Industry
Abstract
The influencing factors of 4-tert-Butylphenylboronic acid preparation were analyzed with the Grey Correlation Degree method.The analysis showed that the order of influencing factors as follows : temperaturereaction timereactants molar ratio.A optimized process for preparation was thus obtained as follows: the reactants molar ratio of the trimethyl borate to 1-bromo-4-tert-butylbenzene is 1.4∶1,the temperature is at-20 ℃,and the reaction time 160 min.