我们在此描述了由铜(I)盐和仲铵盐(或胺)协同催化的 O-乙酰基酮肟和 α,β-不饱和醛的 [3+3] 型缩合反应。这种氧化还原中性反应允许在温和条件下模块化合成各种取代的吡啶,并具有广泛的官能团耐受性。该反应由亚胺催化和铜催化剂的氧化还原活性的结合驱动,最初会还原肟 NO 键以生成亲核铜 (II) 烯酰胺,然后将二氢吡啶中间体氧化为吡啶产物。
POLYMERS FUNCTIONALIZED WITH PROTECTED OXIME COMPOUNDS
申请人:Luo Steven
公开号:US20080146745A1
公开(公告)日:2008-06-19
A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a protected oxime compound.