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    • 4. 发明授权
    • Reductive amination of aldehydes
    • 醛的还原胺化
    • US06429335B1
    • 2002-08-06
    • US10019196
    • 2001-12-12
    • Wolfgang Kiel
    • Wolfgang Kiel
    • C07C20900
    • C07H5/06C07C209/26C07C213/02C07C211/29C07C215/10
    • The present invention relates to a process for preparing amines of formula (I) R1—CH2—NH2  (I), wherein R1 represents optionally branched C1-C12-alkyl, C3-C8-cycloalkyl, C6-C12-aryl or C6-C12-aryl substituted with halogen-and/or C1-C12-alkyl, C7-C10-aralkyl or C7-C10-aralkyl substituted on the aryl radical by halogen and/or C1-C12-alkyl, or an aldose residue of the formula CiH2i+1Oi in which i is 2 to 5 and wherein one hydrogen of the aldose residue is optionally replaced by a saccharide residue, by catalytically hydrogenating aldehydes of formula (II) R1—CHO  (II), wherein R1 has the meaning indicated for formula (I), in the presence of ammonia, a hydrogenation catalyst, and disodium tetraborate.
    • 本发明涉及一种制备式(I)的胺的方法,其中R 1表示任选支链的C 1 -C 12 - 烷基,C 3 -C 8 - 环烷基,C 6 -C 12 - 芳基或被卤素和/或 在芳基上被卤素和/或C 1 -C 12烷基取代的C 1 -C 12 - 烷基,C 7 -C 10 - 芳烷基或C 7 -C 10 - 芳烷基,或其中i为2至5的式C 1 H 21 + 10 O的醛糖残基 并且其中醛糖残基的一个氢任选被糖残基替代,通过催化氢化式(II)的醛,其中R 1具有式(I)所示的含义,在氨的存在下,加氢催化剂和四硼酸二钠 。
    • 5. 发明授权
    • Process for preparing 3-chloro- and 3,5-dichloro-anilines
    • 制备3-氯代和3,5-二氯苯胺的方法
    • US4193937A
    • 1980-03-18
    • US942711
    • 1978-09-15
    • Karlfried WedemeyerWolfgang KielWerner Evertz
    • Karlfried WedemeyerWolfgang KielWerner Evertz
    • B01J23/40B01J37/03C07C87/52C07C87/60C07C93/00C07C93/08
    • B01J23/40B01J37/031
    • Analines, meta-substituted by chlorine are prepared by reacting chloro-anilines having the formula ##STR1## wherein X.sup.1 and X.sup.2 are the same or different and represent chlorine, hydrogen or optionally substituted alkyl, aryl, aralkyl, alkoxy or aralkoxy, with one of the radicals X.sup.1 or X.sup.2 representing chlorine when 3-chloroanilines are being prepared andX.sup.1 and X.sup.2 representing chlorine when 3,5-dichloroanilines are being prepared andR.sup.1, R.sup.2 and R.sup.3 are the same or different and represent chlorine, hydrogen or optionally substituted alkyl, aryl, aralkyl, alkoxy or aralkoxy, with at least one of the radicals R.sup.1, R.sup.2 or R.sup.3 representing chlorinewith hydrogen in solution in a neutral or acid medium in the presence of noble metals which are in the elementary form or in the form of compounds and are optionally applied to supports, and in the presence of sulfur or sulfur compounds at elevated temperatures and under pressure.
    • 通过氯取代的分析物通过使具有式“IMAGE”的氯苯胺反应制备,其中X1和X2相同或不同,代表氯,氢或任选取代的烷基,芳基,芳烷基,烷氧基或芳烷氧基, 当制备3-氯苯胺时,X 1或X 2表示氯,X1和X2表示氯,当制备3,5-二氯苯胺时,R 1,R 2和R 3相同或不同,表示氯,氢或任选取代的烷基, 芳基,芳烷基,烷氧基或芳烷氧基,其中R1,R2或R3中的至少一个表示氯,在中性或酸性介质中的溶液中含有氢,在贵金属存在下,其为基本形式或化合物形式 并且任选地在升高的温度和压力下施加到载体上,并在硫或硫化合物的存在下。