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    • 83. 发明授权
    • Preparation of 1,3-di(alkoxycarbonylamino)propanes
    • 制备1,3-二(烷氧基羰基氨基)丙烷
    • US4672137A
    • 1987-06-09
    • US856971
    • 1986-04-29
    • Franz MergerJoerg Liebe
    • Franz MergerJoerg Liebe
    • C07B61/00B01J23/00B01J23/44B01J25/00B01J25/02C07C67/00C07C239/00C07C269/00C07C271/06C07C125/07C07C125/073C07C125/075
    • C07C271/06
    • 1,3-Di(alkoxycarbonylamino)propanes of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 can be identical or different and each is hydrogen, or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, and R.sup.4 is an aliphatic, cycloaliphatic or araliphatic radical, are prepared by reacting an .alpha.,.beta.-unsaturated aldehyde with a carbamic acid ester by reacting in a first stage as the .alpha.,.beta.-unsaturated aldehyde a compound of the general formula II ##STR2## where R.sup.1, R.sup.2 and R.sup.3 have the abovementioned meanings, with a carbamic acid ester of the general formula III ##STR3## where R.sup.4 has the abovementioned meanings, at 0.degree.-150.degree. C. to give a 1,1,3-tri(alkoxycarbonylamino)propane of the general formua IV ##STR4## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the abovementioned meanings, and in a second stage heating the compound of the general formula (IV) in the presence of a hydrogenation catalyst and hydrogen under 1-300 bar at 100.degree.-300.degree. C.
    • 通式I(I)的1,3-二(烷氧基羰基氨基)丙烷,其中R 1,R 2和R 3可以相同或不同,各自为氢,或脂族,脂环族,芳脂族或芳族基,R4为 通过使α,β-不饱和醛与氨基甲酸酯反应,通过在第一阶段中作为α,β-不饱和醛与通式II的化合物(II)反应来制备脂族,脂环族或芳脂族基团 )其中R 1,R 2和R 3具有上述含义,与0℃-150℃下具有上述含义的通式III(III)的氨基甲酸酯反应,得到1,1, (IV)的3-三(烷氧基羰基氨基)丙烷,其中R 1,R 2,R 3和R 4具有上述含义,在第二阶段中,在通式(Ⅳ)的化合物存在下加热通式 氢化催化剂和在1-300巴下在100-300℃的氢气