反应详情

h. 7-Ethyl-benzofuran is prepared by the method described in J. Chem. Soc. 1920, 1534, but using o-ethylphenol of o-cresol. The MS. of the product thus obtained shows the following ion peaks with the relative intensities given within brackets: 131 (100%), 146 (38%) and 77 (10%).