Hexamethylene Tetramine Hyorotribromide Mediated Regioselective Cyclisation of<i>Ortho</i>- Cyclohexenyl Phenols<sup>#</sup>
作者:K. C. Majumdar、A. K. Kundu、P. Chatterjee
DOI:10.1080/00397919608003693
日期:1996.3
Hexamethylene tetramine hydrotribromide is found to be superior to pyridine hydrotribromide when compared with the rate of reaction and chemoselectivity for the regioselective cyclisation of a number of ortho-cyclohexenyl phenols 1(a-j) to 3-bromo-2,4-propano-chromans 2(a-j).