Visible-light-promoted oxidation/condensation of benzyl alcohols with dialkylacetamides to cinnamides
作者:Tianlong Yang、Maojian Lu、Zhaowei Lin、Mingqiang Huang、Shunyou Cai
DOI:10.1039/c8ob02938e
日期:——
Oxidative cross-coupling reactions of benzylalcohols with N,N-dialkylacetamides were developed only employing oxygen as the terminal oxidant, efficiently providing a new, novel protocol for the construction of multifunctionalized cinnamides with the synergistic effects of KOH, organic photocatalyst eosin Y, and visible light irradiation at room temperature. A broad substrate scope and mild reaction
A facile and convenient protocol for the synthesis of cinnamides from cinnamic acids and tetraalkylthiuram disulfides under metal and additive free conditions has been achieved. This method allows the efficient coupling of diverse cinnamic acids with tetraalkylthiuram disulfides through a simply mixing operation.