Gold(I)-Catalyzed Reactions between <i>N</i>-(<i>o</i>-Alkynylphenyl)imines and Vinyldiazo Ketones to Form 3-(Furan-2-ylmethyl)-1<i>H</i>-indoles via Postulated Azallyl Gold and Allylic Cation Intermediates
作者:Antony Sekar Kulandai Raj、Akshay Subhash Narode、Rai-Shung Liu
DOI:10.1021/acs.orglett.1c00038
日期:2021.2.19
This work describes gold-catalyzed additions of vinyldiazo ketones to N-(o-alkynylphenyl)imines to yield 3-(furan-2-ylmethyl)-1H-indoles involving skeletal rearrangement; these new catalyticreactions are applicable to a wide range of substrates. We postulate a new mechanism involving an initial addition of diazo ketones to azomethine ylide intermediates to yield gold-containing N-alkylated indole