Metal-Free Intermolecular Cfur-Nsucc Bond Coupling of Highly Substituted 3-Furancarbaldehydes and Their Use in meso-Substituted BODIPY Synthesis
作者:Atul P. Singh、Kang Mun Lee、Kibong Kim、Taehong Jun、David G. Churchill
DOI:10.1002/ejoc.201101447
日期:2012.2
novel highlysubstituted3-furancarbaldehydes have been synthesized by the reaction of 3-furancarbaldehyde and NBS in chloroform and N,N-dimethylformamide. Importantly, NBS serves as a succinimide donor under mild metal-free conditions whereas NCS does not. Also, NBS does not undergo the same reaction with 3-thiophenecarbaldehyde. We show how solvent plays a crucial role in C–Br and C–N bond formation