Indium trichloride was found to be an effective catalyst for the synthesis of various tetra-substituted pyridine derivatives via Michael addition of β-dicarbonyl compounds to α,β-unsaturated oximes and subsequent ring closure.
发现
三氯化铟是通过将β-二羰基化合物迈克尔加成到α,β-不饱和
肟上并随后闭环来合成各种四取代
吡啶衍生物的有效催化剂。