Metal-Free Photoinduced Hydrocyclization of Unactivated Alkenes toward Ring-Fused Quinazolin-4(3<i>H</i>)-ones via Intermolecular Hydrogen Atom Transfer
作者:Zixian Yang、Xian Wu、Jie Zhang、Jin-Tao Yu、Changduo Pan
DOI:10.1021/acs.orglett.3c00329
日期:2023.3.17
of unactivated alkenes was developed using 3CzClIPN as the photocatalyst to generate substituted α-methyldeoxyvasicinones and α-methylmackinazolinones in moderate to good yields. An intermolecular hydrogen atom transfer with THF as the hydrogen source was involved. Mechanism studies indicated that the intramolecular addition of the in situ formed aminal radical to the unactivated alkene generated the