The gold(I)-catalyzed oxycyclization of β-aryl monosubstituted o-(alkynyl)styrenes gives rise to 1-α-methoxy or 1-α-hydroxybenzyl-1H-indenes in a diastereospecific way. In contrast to β,β-disubstituted o-(alkynyl)styrenes, the stereochemical outcome of this process, diastereospecific reaction supports the higher contribution of a gold intermediate with a cyclopropylcarbene-like character.

中文翻译：

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金（i）催化1-α-氧基苄基-1 H-茚的非对映选择性合成†

金（I）催化的β-芳基单取代的邻-（炔基）苯乙烯的氧环化以非对映特异性的方式产生1-α-甲氧基或1-α-羟基苄基-1 H-茚。与该过程的立体化学结果-β，β-二取代的邻-（炔基）苯乙烯相反，非对映特异性反应支持具有环丙基卡宾样特征的金中间体的较高贡献。