Catalytic and Oxidative Methoxymercuration of Terminal Alkynes: Syntheses of 2-Methoxy-1-alkenes and 2-Methoxy-acrolein Acetals
作者:José Barluenga、Fernando Aznar、Miguel Bayod
DOI:10.1055/s-1988-27495
日期:——
2-Methoxy-1-alkenes 2 are easily obtained by reaction of a variety of 1-alkynes with an excess of methanol in the presence of triethylamine and catalytic amounts of mercury(II) chloride. By changing the molar ratio of the reagents and increasing the reaction time, propargyl ethers undergo a further oxidative process to give the 2-methoxyacrolein acetals 3.
2-甲氧基-1-烯烃 2 可以通过将多种 1-炔烃与过量甲醇在三乙胺和催化量的氯化汞存在下反应来轻松获得。通过改变试剂的摩尔比并延长反应时间,丙炔醚进一步经历氧化过程,生成 2-甲氧基丙烯醛缩醛 3。