Abnormal reaction of an aryl azide confined in a calix[6]arene skeleton
Abstract
Photolysis of an aryl azide embedded in a m-phenylene-bridged p-tert-butylcalix[6]arene 2 results in the formation of unusual reaction products 3 and 4via the transannular addition reaction of an initially formed nitrene intermediate; the molecular structure of 4 was determined by X-ray crystallographic analysis.