通过N H吡啶2(1 H)-酮(2-吡啶酮)的化学选择性N-烯基化,区域选择性加成烯丙基锂(二-正丁基)的化学合成N吡啶基简单地合成官能化的喹啉并丁4-酮的范围和局限性将镁酸盐(1-)转变为N-烯基吡啶-2(1 H)-,然后进行闭环复分解(RCM)。引入喹喔啉-4-酮环的许多功能化表明了支架合成中提出的策略的高前景。还介绍了它们扩展到吡啶并[1,2 - a ]氮杂环庚烷-4-酮和吡啶并[1,2 - a ]偶氮星-4-酮衍生物的合成以及螺环稠合化合物的合成。
The Effect of a Cyclopropyl Group on a Displacement Reaction at an Adjacent Saturated Carbon Atom. I. The Ethanolysis of Cyclopropylmethyl Benzenesulfonate1
The free‐radical three‐component carbocyanation of electron‐rich olefins was investigated with p‐tosyl cyanide as cyanide source. The scope and limitations of the process were established by varying the nature of the alkene and radical precursor. Carbocyanation of chiral allylsilanes was shown to occur with high diastereocontrol, leading to syn β‐silyl nitriles. The origin of the stereocontrol was
Employing a photocatalyst system based on copper and BINAP, visible light-mediated perfluoroalkylative carbonylation of unactivated alkenes has been developed. The method enables a photo-promoted perfluoroalkyl radical addition-carbon monoxide insertion-coupling cascade approach to functionalized β-perfluoroalkyl carbonyl compounds. Various substrates, including alkenes, perfluoroalkyl halides, and