A facile synthesis of 3-methyl-2H-1-benzopyrans via claisen rearrangement
作者:D Gopal、K Rajagopalan
DOI:10.1016/s0040-4039(00)85354-x
日期:1986.1
Several aryl-1(3-bromo-2-methyl-prop-2-ene) ethers have been prepared and their thermal rearrangements in PEG-400 in the presence of N,N-diethylaniline were found to yield the title compounds.