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Abstract: A visible‐light‐mediated α‐hydroxymethylation of ketones using methanol as the hydroxymethylating reagent has been developed. Using 1 mol% rose bengal as the photosensitizer and air as the green oxidant, the reactions proceeded smoothly at room temperature. Experimental studies indicate the reaction proceeded via a radical pathway. [ABSTRACT FROM AUTHOR]

The mono-aza-Michael additions of divinyl ketones with benzotriazole and other N-heterocycles in the presence of cesium carbonate were described. This protocol has advantages of high regioselectivity, high yield, and mild condition. [ABSTRACT FROM AUTHOR]

Using an efficient aerobic oxidative method, the synthesis of ten 3,5-disubstituted isoxazoles by treatment of α,β-unsaturated ketones with hydroxylamine and NaOH at room temperature has been achieved. [ABSTRACT FROM AUTHOR]

Chemical equations are presented for the article 2-Hydroxylation of 1,3-Diketones with Atmospheric Oxygen" by T. Li and colleagues, published in the journal "Synlett" in 2015.

A diagram is presented which shows the synthesis of 1,3,5-triarylpentane-1,5-diones from α,β-unsaturated ketones catalyzed by copper.