Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.
化学修饰实验发现：巯基、胍基、氨基、羧基和吲哚基可能参与酶活性中心的组成。
2
The third part: Synthesis of bis (indolyl) methanes assisted by two phase transfer catalysts.
第三部分：相转移催化剂作用下合成二吲哚甲烷的研究。
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A brief review of the existence and function of some important indole compounds, besides, the research progress of bis (indolyl) methanes of synthesis.