Oxidative cycloaddition of hydroxamic acids with dienes or guaiacols mediated by iodine(III) reagents
作者:Hisato Shimizu、Akira Yoshimura、Keiichi Noguchi、Victor N Nemykin、Viktor V Zhdankin、Akio Saito
DOI:10.3762/bjoc.14.39
日期:——
[Bis(trifluoroacetoxy)iodo]benzene (BTI) and (diacetoxyiodo)benzene (DIB) efficiently promote the formation of acylnitroso species from hydroxamic acids in the presence of various dienes to give the corresponding hetero-Diels-Alder (HDA) adducts in moderate to high yields. The present method could be applied to the HDA reactions of acylnitroso species with o-benzoquinones generated by the oxidative dearomatization