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Synthesis of Azines in Solid State: Reactivity of Solid Hydrazine with Aldehydes and Ketones

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journal contribution
posted on 16.12.2011, 00:00 by Byeongno Lee, Kyu Hyung Lee, Jaeheung Cho, Wonwoo Nam, Nam Hwi Hur
Highly conjugated azines were prepared by solid state grinding of solid hydrazine and carbonyl compounds such as aldehydes and ketones, using a mortar and a pestle. Complete conversion to the azine product is generally achieved at room temperature within 24 h, without using solvents or additives. The solid-state reactions afford azines as the sole products with greater than 97% yield, producing only water and carbon dioxide as waste.