Facile addition reactions of allylsilanes to quinolines and isoquinolines activated by chloroformate ester and a catalytic amount of triflate ion
作者:Ryohei Yamaguchi、Tatsuya Nakayasu、Bunpei Hatano、Teruno Nagura、Sinpei Kozima、Ken-ichi Fujita
DOI:10.1016/s0040-4020(00)00993-5
日期:2001.1
Addition reactions of allylsilanes to quinolines acylated by chloroformate esters are promoted by a catalytic amount of triflate ion to give 2-allyl-1,2-dihydroquinoline derivatives in good yields. A variety of functional groups on quinoline ring are tolerated in the reaction. The similar reactions of allylsilanes with isoquinolines afford cyclized benzoisoquinuclidine derivatives in good yields, along
催化量的三氟甲磺酸根离子促进烯丙基硅烷与被氯甲酸酯酰化的喹啉的加成反应,从而以高收率得到2-烯丙基-1,2-二氢喹啉衍生物。反应中可以耐受喹啉环上的各种官能团。烯丙基硅烷与异喹啉的类似反应可根据反应条件,以高收率得到环化的苯并异喹啉衍生物,以及1-烯丙基-1,2-二氢异喹啉衍生物。另外,在本加成反应中可以使用2-取代的烯丙基硅烷,分别得到2-取代的和1-取代的1,2-二氢喹啉和-异喹啉。