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    • 1. 发明授权
    • Process for producing 1,4-dicyano-2-butene
    • 1,4-二氰基-2-丁烯的制备方法
    • US5463103A
    • 1995-10-31
    • US210412
    • 1994-02-24
    • Shinji NishiiShigeo WakeTakeshi Ogawa
    • Shinji NishiiShigeo WakeTakeshi Ogawa
    • B01J31/02C07B61/00C07C253/10C07C253/16C07C255/09
    • C07C253/16Y02P20/582
    • The object of the present invention is to provide a process for producing 1,4-dicyano-2-butene in a high yield and in an industrially advantageous way.The present invention relates to a process for producing 1,4-dicyano-2-butene which comprises reacting a butene derivative represented by the formula [1]R.sub.1 --CH.sub.2 --CH.dbd.CH--CH.sub.2 --R.sub.2 [1]or the formula [2]R.sub.3 --CH.sub.2 --CHR.sub.4 --CH.dbd.CH.sub.2 [2]wherein each of R.sub.1 and R.sub.3 represents a hydroxy group, lower acyloxy group, lower alkoxy group or cyano group; and each of R.sub.2 and R.sub.4 represents a hydroxy group, lower acyloxy group or lower alkoxy group, with hydrogen cyanide in the presence of a catalyst comprising a product prepared from a cuprous halide, a non-aromatic amine hydrohalide and at least one member selected from the group consisting of Lewis acids and basic compounds.
    • 本发明的目的是提供以高产率和工业上有利的方式生产1,4-二氰基-2-丁烯的方法。 本发明涉及1,4-二氰基-2-丁烯的制备方法,该方法包括使式[1] R1-CH2-CH = CH-CH2-R2 [1]表示的丁烯衍生物或式[2 ] R3-CH2-CHR4-CH = CH2 [2],其中R1和R3各自表示羟基,低级酰氧基,低级烷氧基或氰基; R 2和R 4各自表示羟基,低级酰氧基或低级烷氧基,在含有由卤化亚铜,非芳族胺氢卤化物和至少一种选自 由Lewis酸和碱性化合物组成的组。
    • 5. 发明授权
    • Process for the preparation of azo compounds from amino compounds in the
presence of a phase transfer catalyst
    • 在相转移催化剂存在下由氨基化合物制备偶氮化合物的方法
    • US4272435A
    • 1981-06-09
    • US945504
    • 1978-09-25
    • Teruo MatsudaShigeo WakeTetsuya Shiozaki
    • Teruo MatsudaShigeo WakeTetsuya Shiozaki
    • C07C255/65C08F4/04C07C107/00C07C107/02C07C107/04
    • C07C255/65
    • Azo compounds of the formula, ##STR1## wherein each of R.sub.1 and R.sub.2 is selected from the group consisting of (1) C.sub.1 -C.sub.8 aliphatic hydrocarbons unsubstituted or substituted with carboxyl, hydroxyl or alkoxy of the formula --OR.sub.4 in which R.sub.4 is a C.sub.1 -C.sub.4 aliphatic hydrocarbon, (2) C.sub.3 -C.sub.8 alicyclic hydrocarbons, (3) C.sub.6 -C.sub.10 aromatic hydrocarbons and (4) C.sub.4 -C.sub.12 alicyclic hydrocarbons formed by combining R.sub.1 and R.sub.2 together with the adjacent carbon atom, and R.sub.3 is selected from the group consisting of nitrile, esters of the formula --COOR.sub.4 in which R.sub.4 is a C.sub.1 -C.sub.4 aliphatic hydrocarbon, a carboxylate of the formula --COOM in which M is an alkali metal or alkaline earth metal, and a carboxylamido, which are useful as foaming agents or radical polymerization initiator, are prepared in a high yield by reacting a corresponding amino compound with a metal hypohalite or with an alkyl hypohalite in the presence of an alkali, using a phase transfer catalyst in a heterogeneous medium comprising water and organic solvent, the phase transfer catalyst being one member selected from the group consisting of organic quaternary ammonium salts, organic quaternary phosphonium salts and macrocyclic polyethers.
    • 下式的偶氮化合物,其中R 1和R 2各自选自(1)未被取代或被羧基取代的C 1 -C 8脂族烃,或由式-OR 4取代的羟基或烷氧基,其中R 4是C 1 -C 4脂族烃,(2)C 3 -C 8脂环烃,(3)C 6 -C 10芳烃和(4)通过将R 1和R 2与相邻碳原子结合而形成的C 4 -C 12脂环族烃,并且R 3选自 由腈组成的组,其中R 4是C 1 -C 4脂族烃的式-COOR 4的酯,其中M是碱金属或碱土金属的式-COOM的羧酸酯和可用作起泡剂的羧酰胺基 通过使相应的氨基化合物与金属次卤酸盐或与烷基次卤酸盐在碱存在下反应,通过在包含水和有机物的非均相介质中使用相转移催化剂,以高产率制备试剂或自由基聚合引发剂 lvent,相转移催化剂是选自有机季铵盐,有机季鏻盐和大环聚醚中的一种。