Synthesis of Substituted Triarylpyran through an Unexpected Intramolecular Cyclization
作者:Atul Gupta、Gloria Beazley、Jean Lee、Gervais Bérubé
DOI:10.1080/00397910701356835
日期:2007.6
An unexpected cyclization of 1,1,2-tris-(4-methoxyphenyl)-pentan-1,5-diol (7) yielding highly substituted (+/-) 2,2,3-tris-(4-methoxyphenyl) tetrahydropyran (10) under mild reaction conditions is described. A reaction mechanism for the formation of this product is postulated.