with 2-(arylsulfonyl)-3-ethoxy-2-en-1-ones, readily available by reaction of β-keto sulfones with triethyl orthoformate, allows the synthesis of a variety of functionalized diaryl sulfones with very good regioselectivity. arenes - sulfones - cyclizations - regioselectivity - silyl enol ethers
1,3-双(甲
硅烷氧基)丁1,3-二烯与2-(芳基磺酰基)-3-乙氧基-2-烯-1-酮的形式[3 + 3]环化反应,可通过β-酮砜与
原甲酸三乙酯可合成具有非常好的区域选择性的各种官能化二芳基砜。
芳烃-砜-环化-区域选择性-甲
硅烷基烯醇醚