Affiliation:
1. Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
Abstract
AbstractHerein, we describe metal‐free fluorocyclization of 2‐alkynylbenzoates by N‐fluoropyridinium salts. The present method allows the selective synthesis of 4‐fluoroisocoumarins and 3,4,4‐trifluoroisochromanones by minor modification of the reaction conditions.
Funder
Shiono Wellness Foundation
Iketani Science and Technology Foundation
Sumitomo Foundation