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    • 63. 发明授权
    • Process for the preparation of aryloxyacetic acid
    • 制备芳氧基乙酸的方法
    • US4238625A
    • 1980-12-09
    • US092783
    • 1979-11-08
    • Helmut FiegeKarlfried Wedemeyer
    • Helmut FiegeKarlfried Wedemeyer
    • C07C59/125B01J23/00B01J27/00B01J31/00C07B61/00C07C51/00C07C51/235C07C51/255C07C59/70C07C65/21C07C67/00C07C201/00C07C205/37C07C51/16
    • C07C51/255C07C51/235
    • In a process for the preparation of an aryloxyacetic acid by oxidation of aryloxyethanol of the formula ##STR1## wherein m represents 1 or 2,n represents the numeral which results from the difference (6-m) andR either individually or independently of one another represent hydrogen, alkyl, cycloalkyl, aryl, aralkyl, alkoxy, cycloalkoxy, aryloxy, hydroxyl, halogen, alkylcarbonyl, arylcarbonyl, carboxyl or nitro, or represent a benzene ring or cycloalkane ring fused to the phenyl ring,with oxygen or an oxygen-containing gas in an aqueous alkaline medium at a temperature from 0.degree. C. to the boiling point of the reaction mixture in the presence of platinum metals and/or palladium metals containing catalyst, the improvement which comprises carrying out the oxidation in the additional presence of an activator of lead and/or bismuth and/or a compound thereof and optionally in the additional presence of Cadmium and/or its compounds.
    • 在通过氧化式(I)的芳氧基乙醇制备芳氧基乙酸的方法中,其中m表示1或2,n表示由差异(6-m)和R单独或独立地产生的数字 代表氢,烷基,环烷基,芳基,芳烷基,烷氧基,环烷氧基,芳氧基,羟基,卤素,烷基羰基,芳基羰基,羧基或硝基,或代表与苯环稠合的苯环或环烷烃环, 含氧气体在含水碱性介质中,在铂金属和/或含钯金属的催化剂存在下,在0℃至该反应混合物的沸点的温度下,其改进包括在额外的 铅和/或铋和/或其化合物的活化剂的存在,并且任选地在镉和/或其化合物的另外存在下。
    • 65. 发明授权
    • Non-explosive preparations of 1-hydroxybenzotriazole
    • 1-羟基苯并三唑的非爆炸性制剂
    • US05998628A
    • 1999-12-07
    • US043356
    • 1998-03-16
    • Ferdinand HagedornHelmut Fiege
    • Ferdinand HagedornHelmut Fiege
    • C06B23/00C07D249/18
    • C07D249/18
    • Preparations consisting of 5 to 90%, relative to the total weight of the preparations, of mainly neutralized 1-hydroxy-benzotriazole of the formula ##STR1## in which R.sup.1 and R.sup.2, independently of one another, represent hydrogen or methyl andM.sup..sym. is one equivalent of an alkali metal or alkaline earth metal cation or H.sup..sym., whereby M.sup..sym. is present in the range of 85-100 equivalent-% as alkali metal or alkaline earth metal cation and in the range of 15-0 equivalent-% as H.sup..sym.,and the remainder to 100% of water, whereby the water containing preparations have a pH value of from 3 to 11 are nonexplosive and can be handled without danger.For the preparation, unsubstituted 1-hydroxy-benzotriazole is neutralized with an aqueous solution or suspension of a hydroxide, bicarbonate or carbonate of an alkali metal or alkaline earth metal. These preparations may be present as solutions, suspensions or pastes.
    • PCT No.PCT / EP96 / 03958 371日期:1998年3月16日 102(e)1998年3月16日PCT PCT 1996年9月10日PCT公布。 出版物WO97 / 11062 日期1997年3月27日相对于制剂总重量为5〜90%的制剂主要中和下式的1-羟基 - 苯并三唑:其中R 1和R 2彼此独立地表示氢或甲基,M (+)是1当量的碱金属或碱土金属阳离子或H(+),其中M(+)存在于碱金属或碱土金属阳离子的85-100当量的范围内,范围 相当于H(+)为15-0当量,其余为100%的水,因此含水制剂的pH值为3至11是非爆炸性的,可以无危险地处理。 为了制备,用碱金属或碱土金属的氢氧化物,碳酸氢盐或碳酸盐的水溶液或悬浮液中和未取代的1-羟基 - 苯并三唑。 这些制剂可以作为溶液,悬浮剂或糊剂存在。