It was confirmed that selenium catalyzed the reaction of 2-nitrobenzyl alcohols with carbon monoxide to afford 1,4-dihydro-2H-3,1-benzoxazin-2-ones in good yields. Similarly, seven-membered cyclic carbamate was prepared by the reaction of 2-(2-nitrophenyl)ethanol with carbon monoxide.
证实
硒催化
2-硝基苄醇与
一氧化碳的反应,以良好的产率得到 1,4-二氢-2H-3,1-苯并恶嗪-2-酮。类似地,通过
2-(2-硝基苯基)乙醇与
一氧化碳反应制备七元环状
氨基甲酸酯。