Synthesis of γ,δ-unsaturated quaternary α-alkylamino acids using umpolung reaction and Claisen rearrangement
作者:Isao Mizota、Katsuki Tanaka、Makoto Shimizu
DOI:10.1016/j.tetlet.2012.01.133
日期:2012.4
A new synthesis of γ,δ-unsaturated quaternary α-amino acid derivatives was developed utilizing N-alkylation and Claisen rearrangement of allyl α-iminocarboxylates.
Reacting Molecular Oxygen with Butanone under Visible Light Irradiation: A General Aerobic Oxidation of Alkenes, Sulfides, Phosphines, and Silanes
作者:Pengcheng Lian、Kaifeng Wang、Hang Liu、Ruyi Li、Minggang Li、Xiaoguang Bao、Xiaobing Wan
DOI:10.1021/acs.orglett.3c03096
日期:2023.11.10
technique by reacting molecularoxygen with butanone under visible lightirradiation. This method enables the mild oxidation of various functionalized compounds, including olefins, sulfides, phosphines, and silanes. Preliminary mechanistic experiments and theoretical calculations suggest that visible light triggers molecularoxygen to produce singlet oxygen in butanone. This singlet oxygen then reacts with