A reactive compound represented by the following formula (I):
[In the formula (I), Z represents a divalent group. A plurality of Y may be the same or different, and represent a monovalent boronate residue having at least one hydroxyl group, Ar
1
and Ar
2
may be the same or different, and represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group.].
the synthesis of 2,5-disubstitutedoxazolesvia iodine-promoted oxidative domino cyclization. These reactions were performed with readily available methyl azaarenes and α-amino ketones under metal-free conditions. This protocol is a simple method with high functional group compatibility, a wide range of substrates, and excellent yield, providing a new way to synthesize azaarene-attached oxazoles.