酸塩化物および塩素で処理したリグニンの酸化分解-2-
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概要
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With an object of obtaining a compound containing no methoxy group from soda lignin of cryptomeria, the soda lignin was reacted at first with phosphorous oxychloride then oxidized with potassium permanganate and nitrobenzene, and the oxidation products were investigated.The result indicated that alkaline permanganate oxidation yielded benzoic acid and oxidation with nitrobenzene yielded protocatechualdehyde.Soda lignin from beech-wood and cryptomeria, and lignin sulfonate were treated with chlorine and subsequent treatment of oxidative decomposition with alkaline copper oxide yielded 2, 5-dihydroxybenzaldehyde.
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