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    • 8. 发明公开
    • 푸르푸랄의 제조 방법
    • 制备糠醛的方法
    • KR1020080066584A
    • 2008-07-16
    • KR1020080002969
    • 2008-01-10
    • 스미또모 가가꾸 가부시끼가이샤
    • 히로타마사지
    • C07D307/48
    • A method for preparing furfural is provided to obtain high quality furfural with excellent operability with inhibiting generation of scaling. A method for preparing furfural represented by a formula(2) comprises the steps of: (a) reacting furan represented by a formula(1), phosgene and 4-formyl morpholine in a hydrocarbon solvent which is optionally substituted by halogen(s) at a temperature of 0-40 deg.C; and (b) hydrolyzing a reaction mixture obtained from the step(a). In the formulae, each R^1 to R^3 is H or hydrocarbon. Further, the hydrocarbon solvent is toluene.
    • 提供了一种制备糠醛的方法,以获得高质量的糠醛,具有优异的可操作性,同时抑制了结垢的产生。 由式(2)表示的制备糠醛的方法包括以下步骤:(a)将由式(1)表示的呋喃,光气和4-甲酰基吗啉在任选被卤素取代的烃溶剂中反应, 温度为0-40℃; 和(b)水解由步骤(a)获得的反应混合物。 式中,R 1〜R 3为H或烃。 此外,烃溶剂是甲苯。