Development of Cycloisomerization with Rearrangement of a Tosyl Group Using -Tosyl--allenylaniline.

J Org Chem

Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamada-oka, Suita, Osaka 565-0871, Japan.

Published: August 2023

Sulfonyl indoles were synthesized by migratory cycloisomerization from the allene -tosyl--allenylaniline. 3-Tosyl indoles or 4-tosyl indoles were selectively produced using a Pd catalyst or a Au catalyst, respectively.

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http://dx.doi.org/10.1021/acs.joc.3c00625DOI Listing

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