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40 条记录 (耗时 0.012 秒)

    S-substituted thiosulfuric acid derivatives and preparation thereof
    2.
    发明授权
    S-substituted thiosulfuric acid derivatives and preparation thereof 失效
    S-取代的硫代酸衍生物及其制备方法

    公开(公告)号：US3732305A

    公开(公告)日：1973-05-08

    申请号：US3732305D

    申请日：1970-03-03

    申请人： US ARMY

    发明人： BAUER L

    IPC分类号： C07C129/00

    CPC分类号： C07D207/16 ,  Y10S514/917

    摘要： THIS INVENTION RELATES TO ANTIRADIATION COMPOUNDDS COMPRISING A MOLECULE WHICH INCLUDES A COMPONENT WITTH ANTIRADIATTION PROPERTIES LINKED TO A COMPONENT WITH SUBSTANTIAL LIPID SOLUBILITY. THERE ARE ALSO DESCRIBED SEVEN NEW COMPOUNDS, ILLUSTRATIVE OF THIS NEW TYPE OF ANTIRADIATION COMPOUND. THE SEVEN COMPOUNDS ARE S-( (N-SUBSTITUTED CARBOXAMIDINIUM) METHYL) THIOSULFURICC ACIDS (BUNTE SALTS) HAVING THE GENERAL FORMULA =03SSCH2C( =NH2+) NHR AND HYDROLYSIS PRODUCTS THEREOF, WHEREIN R REPRESENTS BI- ANDD TRICYCLIC ALIPHATIC RING SYSTEMS. THE COMPOUNDS HAVE DEMONSTRATED UTILITY AS ANTRIATIATION AGENTS.

    Process for the stereoselective synthesis of the E isomer of aryl alkyl oximes
    6.
    发明授权
    Process for the stereoselective synthesis of the E isomer of aryl alkyl oximes 失效
    用于立体选择性合成芳基烷基肟的E异构体的方法

    公开(公告)号：US4158015A

    公开(公告)日：1979-06-12

    申请号：US934142

    申请日：1978-08-16

    申请人： Jill H. Paul

    发明人： Jill H. Paul

    IPC分类号： C07C251/48 ,  C07C67/00 ,  C07C239/00 ,  C07C249/04 ,  C07D307/81 ,  C07D317/58 ,  C07D319/18 ,  C07D321/10 ,  C07D333/22 ,  C07D333/58 ,  C07C129/00

    CPC分类号： C07D333/22 ,  C07D307/81 ,  C07D317/58 ,  C07D319/18 ,  C07D321/10 ,  C07D333/58

    摘要： Mixtures of the E and Z isomers of aryl alkyl oximes are converted to 98% or greater E isomer by a process comprising treating a solution of a mixture of E and Z isomers in an organic solvent with a protic or Lewis acid, under anhydrous conditions, to precipitate >98% pure E isomer of an immonium complex and treating (neutralizing) the precipitate with an excess of dilute organic/inorganic base, such as Na.sub.2 CO.sub.3 or NaHCO.sub.3. The E isomer of the ketoxime is a precursor for highly insecticidal ketoximinoethers.

    摘要翻译： {PG，1芳基烷基肟的E和Z异构体的混合物通过包括用有机溶剂或路易斯酸在有机溶剂中处理E和Z异构体的混合物的溶液的方法转化为98％或更高的E异构体， 在无水条件下，沉淀出{22 98％纯的异构体复合物，并用过量的稀有机/无机碱如Na {Hd 2 {1 CO {HD 3 {L或NaHCO 3）处理（中和）沉淀物 {HD 3 {L。 酮肟的E异构体是高度杀虫的酮肟基醚的前体。

    Process for preparing guanidine
    7.
    发明授权
    Process for preparing guanidine 失效
    制备胍的方法

    公开(公告)号：US4157348A

    公开(公告)日：1979-06-05

    申请号：US888613

    申请日：1978-03-21

    申请人： Hiroshi Ono ,  Shigeru Inoue

    发明人： Hiroshi Ono ,  Shigeru Inoue

    IPC分类号： C07C67/00 ,  C07C239/00 ,  C07C273/04 ,  C07C273/16 ,  C07C279/02 ,  C07C129/00

    CPC分类号： C07C273/04 ,  C07C273/16 ,  Y02P20/142

    摘要： A process is described for preparing guanidine by separating guanidine from a process stream obtained in a urea synthesis process, wherein ammonia and carbon dioxide are reacted at a high temperature and a high pressure. The process stream includes a urea synthesis effluent from a urea synthesis zone, a solution obtained by separating unreacted materials from the effluent, a concentrate of the solution or a mother liquor derived from a urea crystallization zone.

    摘要翻译： 描述了通过从尿素合成过程中获得的工艺流中分离出胍来制备胍的方法，其中氨和二氧化碳在高温和高压下反应。 工艺流包括来自尿素合成区的脲合成流出物，通过从流出物中分离未反应物质，溶液浓缩物或衍生自脲结晶区的母液获得的溶液。

    Process for the dimerization of acrylonitrile
    8.
    发明授权
    Process for the dimerization of acrylonitrile 失效
    丙烯腈二聚过程

    公开(公告)号：US4089890A

    公开(公告)日：1978-05-16

    申请号：US811440

    申请日：1977-06-29

    申请人： James Robert Jennings ,  Lawrence Francis Michael Kelly

    发明人： James Robert Jennings ,  Lawrence Francis Michael Kelly

    IPC分类号： B01J31/02 ,  B01J31/18 ,  C07C129/00 ,  C07C121/20

    CPC分类号： B01J31/0262 ,  B01J31/0261 ,  B01J31/0264 ,  B01J31/0269 ,  C07C255/00

    摘要： Catalyst composition for the dimerisation of acrylonitrile comprising an organo-phosphorus compound of formula ##STR1## bonded to a matrix of an inorganic oxide having surface --OH groups, especially of silica or alumina. Groups R and Y are hydrocarbyl. The catalyst compositions are prepared by heating the matrix with an appropriate phosphorus compound having group(s) X which react with --OH groups with the elimination of HX. The invention also relates to a process for the dimerisation of acrylonitrile. Main products are 1,4-dicyanobutene-1 and 2-methylene glutaronitrile.

    摘要翻译： 用于丙烯腈二聚的催化剂组合物，其包含与具有表面-OH基团，特别是二氧化硅或氧化铝的无机氧化物的基体结合的式“IMAGE”的有机磷化合物。 基团R和Y是烃基。 通过用具有与-OH基团反应的基团X的合适的磷化合物加热基质来制备催化剂组合物，同时除去HX。 本发明还涉及丙烯腈二聚化的方法。 主要产品有1,4-二氰丁烯-1和2-亚甲基戊二腈。