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

Shohei YoshiokaMasaharu TakatsukiTsunayoshi Takehara Takeyuki Suzuki Mitsuhiro Arisawa

Published in: The Journal of organic chemistry (2023)

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

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