The α′-oxidation of cyclic derivatives of β-alkoxy-α,β-unsaturated ketones using manganese(III) acetate in the presence of various carboxylic acids provided a convenient synthesis of 5-acyloxy-3-alkoxy-2-cyclopentenones and 6-acyloxy-3-alkoxy-2-cyclohexenones.
在各种
羧酸存在下,使用
乙酸锰(III)对δ-烷氧基-δ,δ-不饱和酮的环状衍
生物进行δ′-氧化,可方便地合成 5-乙酰氧基-3-烷氧基-
2-环戊烯酮和 6-乙酰氧基-3-烷氧基-2-
环己烯酮。