氨基葡萄糖schiff碱的合成问题？类似操作： To a suspension of glucosamine hydrochloride (0.21 g, 1 mmol) in ethanol (15 ml), triethyl amine (1.5 mmol) was added and stirred for 15 min. At this stage, 1-pyrenecarboxaldehyde (0.23 g,1 mmol) was added. The reaction mixture was heated to raise the temperature of the contents to 50 °C for 6 h during which alight yellow precipitate formed. The product was separated by filtration and was washed with a small portions of ethanol followed by cold chloroform and then with diethyl ether followed by drying under vacuum查看更多
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