Indium- or Zinc-Mediated One-Pot Synthesis of Homoallylamines, β-Amino Esters, and β-Amino Nitriles
作者:Bassima Choucair、Hervé Léon、Marcelle-Astrid Miré,、Chrystèle Lebreton、Paul Mosset
DOI:10.1021/ol005912k
日期:2000.6.1
obtained in a one-pot synthesis directly from an aldehyde and a secondary amine such as dibenzylamine or diallylamine. Their condensation with titanium(IV) isopropoxide generates an intermediate aminoalkoxy titanium complex. Further reaction in THF with nucleophilic organometallic species, generated in situ from indium or zinc and a reactive halide (allyl bromide, alkyl bromo- or iodoacetate, iodoacetonitrile)
一锅合成中,直接从醛和仲胺(例如二苄基胺或二烯丙基胺)中获得高烯丙胺,β-氨基酯和β-氨基腈。它们与异丙醇钛(IV)的缩合生成中间体氨基烷氧基钛络合物。在THF中与由铟或锌与反应性卤化物(烯丙基溴,烷基溴或碘乙酸烷基酯,碘乙腈)原位生成的亲核有机金属物质进一步反应,得到相应的胺。