Trimethylaluminum(TMA), usually used in organic catalysis and organic synthesis, was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系（铁-锑复合催化剂）催化三乙基铝（TEA）与溴甲烷进行烷基交换反应合成三甲基铝（TMA）。
At present, we could not get EGCG from chemical synthesis in addition to extracting from tea.
目前，只能从茶叶中提取到EGCG，还不能进行化学合成。
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