Vilsmeier formylation and glyoxylation reactions of nucleophilic aromatic compounds using pyrophosphoryl chloride
作者:Ian M. Downie、Martyn J. Earle、Harry Heaney、Khamis F. Shuhaibar
DOI:10.1016/s0040-4020(01)89915-4
日期:1993.5
that undergo reactions with a wide range of nucleophilic aromatic substrates, including indoles, pyrroles, thiophenes, furans, and methoxy-substituted carbocyclic arenes to afford, after hydrolysis of the initial products, good to excellent yields of the expected aldehydes; reactions with methyl oxamates allow the preparation of methyl arylglyoxylates.
N,N-二甲基甲酰胺和N-甲基甲酰苯胺与焦磷酰氯的反应导致形成与多种亲核芳香族底物发生反应的试剂,包括吲哚,吡咯,噻吩,呋喃和甲氧基取代的碳环芳烃,初始产物水解后,预期醛的收率好至极好;与草酸甲酯反应可以制备芳基乙醛酸甲酯。