会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Chemical process
    • 化学工艺
    • US07371324B2
    • 2008-05-13
    • US10332107
    • 2001-06-14
    • Raymond Vincent Heavon JonesJoanne Emma MurrayJennifer Ann WhiteBarry Stuart CrombieJames Samuel Shane RountreeJacqueline Ann Campbell
    • Raymond Vincent Heavon JonesJoanne Emma MurrayJennifer Ann WhiteBarry Stuart CrombieJames Samuel Shane RountreeJacqueline Ann Campbell
    • B01D11/00
    • C02F1/26C02F2101/34Y10S210/909
    • A process for extracting from aqueous solution the alkali metal or ammonium salt of a phenol, naphthol, anthrol or phenanthrol or the corresponding thiol, which comprises contacting an aqueous alkaline or neutral solution of the alkali metal or ammonium salt, in which is dissolved an alkali metal or ammonium fluoride, chloride, bromide, hydroxide, nitrate, nitrite, sulphate, sulphite, sulphide, thiosulphate, phosphate, hydrogen phosphate, carbonate, bicarbonate, cyanate, cyanide, thiocyanate, borate, chlorate, chlorite, hypochlorite, perchlorate, chromate, dichromate or permanganate, with a partially water-miscible organic solvent so as to transfer aqueous solution of the alkali metal or ammonium salt of the phenol, naphthol, anthrol or phenanthrol or corresponding thiol into the solvent while retaining separate aqueous and solvent phases, and thereafter separating the solvent phase containing the alkali metal or ammonium salt and water from the aqueous phase, the ratio of solvent to water in the separated solvent phase being from 0.5:1 to 10:1 w/w.
    • 从水溶液中提取苯酚,萘酚,蒽或菲或其相应的硫醇的碱金属盐或铵盐的方法,该方法包括将碱金属盐或铵盐的碱性或中性水溶液与碱溶解的碱 硝酸盐,硫酸盐,硫酸盐,硫酸盐,硫酸盐,磷酸盐,磷酸盐,碳酸盐,碳酸氢盐,氰酸盐,氰化物,硫氰酸盐,硼酸盐,氯酸盐,亚氯酸盐,次氯酸盐,高氯酸盐,铬酸盐, 重铬酸盐或高锰酸盐,与部分水混溶的有机溶剂,以便将苯酚,萘酚,蒽酮或菲或菲硫醇的碱金属盐或铵盐的水溶液转移到溶剂中,同时保持分开的水相和溶剂相,之后 从水相中分离含有碱金属或铵盐和水的溶剂相,溶剂与w的比例 在分离的溶剂相中的比例为0.5:1至10:1w / w。
    • 8. 发明授权
    • Process for the preparation of pyrimidine compounds
    • 嘧啶化合物的制备方法
    • US6162916A
    • 2000-12-19
    • US242429
    • 1999-02-16
    • Alan John WhittonBrian Geoffrey CoxGareth Andrew De BoosIan Gordon BerryIan George FlemingRaymond Vincent Heavon Jones
    • Alan John WhittonBrian Geoffrey CoxGareth Andrew De BoosIan Gordon BerryIan George FlemingRaymond Vincent Heavon Jones
    • C07D239/34
    • C07D239/34
    • A process for preparing agrochemical intermediates of formula (I), wherein W is (CH.sub.3 O).sub.2 CH.CHCO.sub.2 CH.sub.3 or CH.sub.3 O.CH.dbd.CCO.sub.2 CH.sub.3 ; Z.sup.1 is a halogen atom; and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen, halogen, C.sub.1-4 alky, C alkoxy, acetoxy or acyl; the process comprising the steps of: (a) reacting a compound of formula (II), wherein X, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined above, with a compound of formula ROCH.sub.3, wherein R is a metal; and, (b) reacting the product of (a) with a compound of formula (III), wherein Z.sup.1 and Z.sup.2 are halogen atoms. A process for the preparation of compounds of formula (II) and compounds of formula (II) themselves. A process for obtaining, in substantially pure form, a compound of formula (11) and compounds of formula (II) themselves. A process for obtaining, in substantially pure form, a compound of formula (11) wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are all hydrogen.
    • PCT No.PCT / GB97 / 02015 Sec。 371日期1999年2月16日 102(e)1999年2月16日PCT 1997年7月25日PCT公布。 公开号WO98 / 07707 日期:1998年2月26日制备式(I)的农药中间体的方法,其中W是(CH 3 O)2 CH.CHCO 2 CH 3或CH 3 O,CH = CCO 2 CH 3; Z1是卤原子; 且R 1,R 2,R 3和R 4独立地为氢,卤素,C 1-4烷基,C烷氧基,乙酰氧基或酰基; 该方法包括以下步骤:(a)将其中X,R 1,R 2,R 3和R 4如上定义的式(II)化合物与式ROCH 3的化合物反应,其中R是金属; 和(b)使(a)的产物与式(III)的化合物反应,其中Z 1和Z 2是卤素原子。 制备式(II)化合物和式(II)化合物本身的方法。 以基本上纯的形式获得式(11)化合物和式(II)化合物本身的方法。 以基本上纯的形式获得其中R 1,R 2,R 3和R 4全部为氢的式(11)化合物的方法。