CYCLOADDITIONS OF 4-SUBSTITUTED 3,5-DIMETHYL-5,6-DIHYDROANISOLES WITH METHYL ACRYLATE
作者:Akio Murai、Shingo Sato、Tadashi Masamune
DOI:10.1246/cl.1981.429
日期:1981.3.5
The title reactions proceeded smoothly and gave mixtures of four stereoisomeric cycloadducts differing in the configurations at C-8 and C-2, whose relative amounts varied depending on bulkiness of the 4-substituents and reaction temperature used.
The sodium acetate-buffered peracetic acid oxidation of various 1-methoxybicyclo[2.2.2]oct-5-enones (4a-f), and (14), prepared by hydrolysis of the adducts (3) [(13)] derived from dihydroanisole derivatives (2) [(12)] and 2-chloroacrylonitrile leads to 4-substituted cyclohex-2-en-1-one 4-acetic acid derivatives (7) [(15)].