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。