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    • 23. 发明公开
    • 펜에틸아민 유도체의 제조방법
    • 制备苯乙烯衍生物的方法
    • KR1020050106102A
    • 2005-11-08
    • KR1020057016854
    • 2004-03-09
    • 와이어쓰 엘엘씨
    • 김근식김광일채기병
    • C07C213/02C07C217/14
    • C07C213/02C07C2601/14C07C215/42C07C217/74
    • A process for the preparation of a compound of formula (I), wherein R1, and R2 are ortho or para substituents, independently selected from the group consisting of hydrogen, hydroxyl, C1-C6 alkyl, C1-C6 alkoxy, C7-C9 aralkoxy, C2-C7 alkanoyloxy, C1-C6 alkylmercapto, halo and trifluoromethyl; R3 is hydrogen or C1-C6 alkyl; R4 is hydrogen, C1-C6 alkyl, formyl or C 2-C7 alkanoyl; n is one of the integers 0, 1, 2, 3 or 4; and the dotted line represents optional olefinic unsaturation; comprising hydrogenating a compound of formula (III), in the presence of a nickel or cobalt catalyst at a temperature of about 5°C to 25°C.
    • 一种制备式(I)化合物的方法,其中R 1和R 2是独立地选自氢,羟基,C 1 -C 6烷基,C 1 -C 6烷氧基,C 7 -C 9芳烷氧基的邻位或对位取代基 ,C 2 -C 7烷酰氧基,C 1 -C 6烷基巯基,卤素和三氟甲基; R3是氢或C1-C6烷基; R 4是氢,C 1 -C 6烷基,甲酰基或C 2 -C 7烷酰基; n是整数0,1,2,3或4之一; 并且虚线表示任选的烯属不饱和键; 包括在约5℃至25℃的温度下,在镍或钴催化剂的存在下氢化式(III)的化合物。