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    • 52. 发明授权
    • Process for producing aziridines
    • 生产氮丙啶的方法
    • US4966980A
    • 1990-10-30
    • US275106
    • 1988-11-07
    • Teruo KameiYuuji ShimasakiHideaki TsunekiKoichi YamamotoYutaka MorimotoMichio Ueshima
    • Teruo KameiYuuji ShimasakiHideaki TsunekiKoichi YamamotoYutaka MorimotoMichio Ueshima
    • C07D203/02
    • C07D203/02Y02P20/582
    • A process for producing an aziridine compound represented by the following general formula ##STR1## wherein R represents hydrogen, or a methyl or ethyl group, which comprises intramolecularly dehydrating an alkanolamine represented by the following formula ##STR2## wherein R is as defined, X is OH or NH.sub.2, and Y is NH.sub.2 when X is OH, and OH when X is NH.sub.2, in the presence of a catalyst in the vapor phase in a reaction step (A) to form a reaction product containing the aziridine compound, and subjecting the reaction product to any one of the following procedures (1) to (3),(1) sending the reaction product to a recovery step (B) and recovering the aziridine compound in the presence of an amine compound,(2) sending the reaction product to a distillation step (C) and distilling the aziridine compound in the presence of an amine compound, and(3) sending the reaction product to the recovery step (B), recovering the aziridine compound in the presence of an amine compound, sending the recovered aziridine compound to the distillation step (C) and distilling it in the presence of an amine compound.
    • PCT No.PCT / JP88 / 00262 Sec。 371日期:1988年11月7日 102(e)日期1988年11月7日PCT提交1988年3月12日PCT公布。 出版物WO88 / 07038 日本公报1988年9月22日。一种制备由以下通式表示的氮丙啶化合物的方法,其中R表示氢或甲基或乙基,其包括使由下式表示的链烷醇胺分子内脱水, 在反应步骤(A)中,在气相中的催化剂存在下,当X是OH时,X是OH或NH 2,Y是NH 2,X是NH 2时的OH, 形成含有氮丙啶化合物的反应产物,并使反应产物进行以下任一步骤(1)至(3),(1)将反应产物送至回收步骤(B)并回收氮丙啶化合物 胺化合物的存在,(2)将反应产物送至蒸馏步骤(C)并在胺化合物存在下蒸馏氮丙啶化合物,和(3)将反应产物送至回收步骤(B), 在胺化合物存在下回收氮丙啶化合物 将回收的氮丙啶化合物送至蒸馏步骤(C),并在胺化合物存在下蒸馏。