Process for O-acylating phenol derivatives and acylating compositions
for this purpose
    1.
    发明授权
    Process for O-acylating phenol derivatives and acylating compositions for this purpose 失效
    用于此目的的O-酰化苯酚衍生物和酰化组合物的方法

    公开(公告)号:US4315861A

    公开(公告)日:1982-02-16

    申请号:US246412

    申请日:1981-03-23

    CPC分类号: C07D307/86

    摘要: A process is disclosed for preparing a carbamic acid phenyl ester of the formula (I) ##STR1## wherein R is alkyl having 1 to 8 carbon atoms, aryl, cycloalkyl having 5 or 6 carbon atoms, or aralkyl having 7 to 16 carbon atoms, wherein the aryl, cycloalkyl or aralkyl is unsubstituted or substituted by at least one alkyl group having 1 to 8 carbon atoms;R.sub.1 is hydrogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, cyanomethyl, 1,3-dioxolan-2-yl, or carboalkoxyamino wherein the alkoxy group contains 1 to 4 carbon atoms;R.sub.2 is hydrogen, halogen, alkyl having 1 to 4 carbon atoms or alkoxy having 1 to 4 carbon atoms; orR.sub.1 and R.sub.2 form together a carbocyclic ring or a heterocyclic ring fused to the phenyl ring wherein the carbocyclic ring of the heterocyclic ring is unsubstituted or substituted by at least one alkyl having 1 to 8 carbon atoms, which comprises acylating a phenol of the formula (II) ##STR2## with a compound of the formula (IV) ##STR3## in the presence of a base. The compounds obtained are valuable intermediates.

    摘要翻译: 公开了制备式(I)的氨基甲酸苯酯的方法,其中R是具有1至8个碳原子的烷基,具有5或6个碳原子的芳基,环烷基或具有7至16个碳原子的芳烷基, 其中芳基,环烷基或芳烷基是未取代的或被至少一个具有1至8个碳原子的烷基取代; R1是氢,具有1至4个碳原子的烷基,具有1至4个碳原子的烷氧基,氰基甲基,1,3-二氧戊环-2-基或烷氧基氨基,其中烷氧基含有1至4个碳原子; R2是氢,卤素,具有1至4个碳原子的烷基或具有1至4个碳原子的烷氧基; 或者R 1和R 2一起形成稠合到苯环的碳环或杂环,其中杂环的碳环是未取代的或被至少一个具有1至8个碳原子的烷基取代,其包括酰化式 (II)的化合物与式(IV)的化合物在碱的存在下反应。 所得化合物是有价值的中间体。

    Process for O-acylating phenol derivatives and acylating compositions
for this purpose
    2.
    发明授权
    Process for O-acylating phenol derivatives and acylating compositions for this purpose 失效
    用于此目的的O-酰化苯酚衍生物和酰化组合物的方法

    公开(公告)号:US4323469A

    公开(公告)日:1982-04-06

    申请号:US201508

    申请日:1980-10-28

    IPC分类号: C07D307/86 C09K3/00

    CPC分类号: C07D307/86

    摘要: The invention relates to a process for the preparation of carbamic acid phenyl esters of the formula (I) ##STR1## by acylating phenol derivatives of the formula (II) ##STR2## wherein R is alkyl having 1 to 8 carbon atoms, aryl, cycloalkyl having 5 or 6 carbon atoms, aralkyl having 7 to 16 carbon atoms which groups can be substituted by one or more alkyl groups,R.sup.1 is hydrogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms or acylamino,R.sup.2 is hydrogen, halogen, alkyl having 1 to 4 carbon atoms or alkoxy having 1 to 4 carbon atoms, or ifR.sup.1 and R.sup.2 represent alkyl and/or alkoxy, they can form together a carbocyclic ring.According to the invention the phenol derivatives of the general formula (II), wherein R.sup.1 and R.sup.2 are as defined above, are reacted with N-carbamoyl-saccharin derivatives of the formula (IV) ##STR3## wherein R has the same meaning as defined above, in the presence of a base.

    摘要翻译: 本发明涉及通过酰化式(II)的苯酚衍生物(II)制备式(I)的氨基甲酸苯酯的方法,其中R是具有1至8个碳原子的烷基 碳原子,芳基,具有5或6个碳原子的环烷基,具有7至16个碳原子的芳基,该基团可以被一个或多个烷基取代,R 1是氢,具有1至4个碳原子的烷基,具有1至4个碳原子的烷氧基 原子或酰氨基,R 2是氢,卤素,具有1至4个碳原子的烷基或具有1至4个碳原子的烷氧基,或者如果R 1和R 2表示烷基和/或烷氧基,则它们可以一起形成碳环。 根据本发明,其中R 1和R 2如上定义的通式(II)的酚衍生物与式(Ⅳ)的N-氨基甲酰基 - 糖精衍生物反应其中R具有相同的 意义如上所述,在碱的存在下。

    Process for preparing substituted urea derivatives
    3.
    发明授权
    Process for preparing substituted urea derivatives 失效
    制备取代脲衍生物的方法

    公开(公告)号:US4435567A

    公开(公告)日:1984-03-06

    申请号:US334470

    申请日:1981-12-28

    摘要: A process for the preparation of substituted urea derivatives, and compositions and concentrates for the same purpose are disclosed. According to the process the substituted urea derivatives of formula (I) ##STR1## wherein R is hydrogen, alkyl, aryl, cycloalkyl or aralkyl, R.sup.1 and R.sup.2 are hydrogen, alkyl, alkenyl, alkinyl, alkoxy, oxyalkyl, cycloalkyl, aralkyl, alkoxycarbonylalkyl, aryl or heteroaryl, or R.sup.1 and R.sup.2 together with the adjacent nitrogen atom may form a saturated or unsaturated heterocycle, or a condensed and/or substituted ring system, and said heterocycle or said condensed and/or substituted ring system may contain also a sulfo group,can be manufactured by reacting an amine of formula (II) ##STR2## with an N-carbamoyl-benzoic acid sulfimide derivative of formula (III) ##STR3## The disclosed N-acylating composition comprises of from 3 to 60% by weight, preferably of from 5 to 50% by weight sulfimide derivative of formula (III), of from 97 to 40% by weight, preferably of from 95 to 50% by weight solvent, and if desired, an organic or inorganic base.The disclosed N-acylating concentrate comprises of from 60 to 95.5% by weight N-acylating agent of formula (III) and of from 4.5 to 40% by weight additives.

    摘要翻译: 公开了用于制备取代的脲衍生物的方法,以及用于相同目的的组合物和浓缩物。 根据该方法,式(I)的取代脲衍生物其中R是氢,烷基,芳基,环烷基或芳烷基,R1和R2是氢,烷基,烯基,炔基,烷氧基,烷氧基,环烷基,芳烷基,烷氧基羰基 ,芳基或杂芳基,或R 1和R 2与相邻的氮原子一起可以形成饱和或不饱和的杂环或稠合和/或取代的环系,并且所述杂环或所述缩合和/或取代的环系可以含有磺基 可以通过使式(II)的胺与式(III)的N-氨基甲酰基 - 苯甲酸硫酰亚胺衍生物反应来制备。所公开的N-酰化组合物包含3至60重量% ,优选为5至50重量%的式(III)的亚磺酰亚胺衍生物,为97至40重量%,优选为95至50重量%的溶剂,如果需要,为有机或无机碱。 所公开的N-酰化浓缩物包含60至95.5重量%的式(III)的N-酰化剂和4.5至40重量%的添加剂。

    Process for the preparation of non-pyrophoric palladium catalysts
    4.
    发明授权
    Process for the preparation of non-pyrophoric palladium catalysts 失效
    非自发钯催化剂的制备方法

    公开(公告)号:US4239653A

    公开(公告)日:1980-12-16

    申请号:US963882

    申请日:1978-11-27

    IPC分类号: B01J23/44 B01J21/18

    CPC分类号: B01J23/44

    摘要: The present invention relates to a process for the preparation of non-pyrophoric catalyst having controlledparticle size and activity comprising suspending active charcoal of homogeneous pore distribution in a diluted solution of a palladium salt or salt complex, if desired in the presence of an aliphatic alcohol, stirring the solution, filtering the catalyst coal, followed by treatment of the sorbed palladium salt or salt complex with alkali if desired and stirring it as long as required for the accumulation of the sorbed palladium compounds, reducing same by methods known, repeating the above mentioned steps, if desired any number of times and drying the obtained catalyst after washing.

    摘要翻译: 本发明涉及一种制备具有受控粒径和活性的非发泡催化剂的方法,其包括在脂族醇存在下,将钯盐或盐络合物的稀溶液悬浮均匀孔分布的活性炭, 搅拌溶液,过滤催化剂煤,然后如果需要,用碱处理吸附的钯盐或盐络合物,并搅拌,只要吸附的钯化合物的积聚就可以,通过已知的方法将其还原,重复上述 步骤,如果需要任意次数,并在洗涤后干燥得到的催化剂。