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    • 5. 发明授权
    • Process for preparation of anthraquinones and fluorenones
    • 制备蒽醌和芴酮的方法
    • US4822527A
    • 1989-04-18
    • US134839
    • 1987-12-14
    • David E. JamesNeal R. Nowicki
    • David E. JamesNeal R. Nowicki
    • C07C50/18C07C45/00
    • C07C50/18Y02P20/584
    • A process is disclosed for producing cyclized aromatic compounds by the liquid-phase air oxidation of 2-methyl-substituted biphenyls and diphenylmethanes in an acetic acid medium in the presence of a cobalt-manganese-bromine catalyst or a zirconium-cobalt-manganese-bromine catalyst wherein the mole ratio of cobalt-to-manganese is about 1.0:0.1 to about 1.0:10.0 and the ratio of zirconium-to-cobalt is about 0.005:1.0 to about 0.20:1.0, and mole ratio of bromine to total metals of said cobalt-manganese-bromine catalyst or zirconium-cobalt-manganese-bromine catalyst is from about 0.2:1.0 to about 20.0:1.0, which process comprises conducting the reaction in a batch process at a temperature of from 75.degree. C. to about 250.degree. C. at a pressure of from 1 to 100 atmospheres, or continuously in two stages comprising a first-stage reaction at a temperature of about 75.degree. C. to about 200.degree. C. and a second-stage reaction at a temperature of about 150.degree. C. to about 250.degree. C. and recycling the cobalt-manganese catalyst or the zircnium-cobalt-manganese catalyst by oxalate precipitation of the catalyst at temperatures of about 110.degree. C. to about 200.degree. C. prior to the separation of mother liquor and using about 0.25 to about 2.5 moles of oxalic acid per mole of cobalt and manganese or mole of zirconium-cobalt-manganese and continuously recycling the recovered catalyst metals to the oxidation stages. The products of this novel process, anthraquinones and fluorenones, are useful for the manufacture of dyestuffs and pharmaceuticals.
    • 公开了在钴锰溴催化剂或锆 - 钴 - 锰 - 溴存在下,通过在乙酸介质中通过2-甲基取代的联苯和二苯基甲烷的液相空气氧化来生产环化芳族化合物的方法 催化剂,其中钴与锰的摩尔比为约1.0:0.1至约1.0:10.0,锆与钴的摩尔比为约0.005:1.0至约0.20:1.0,溴与总金属的摩尔比为 所述钴 - 锰 - 溴催化剂或锆 - 钴 - 锰 - 溴催化剂的量为约0.2:1.0至约20.0:1.0,该方法包括在75℃至约250℃的间歇过程中进行反应 在1〜100个大气压的压力下,或者在约75℃至约200℃的温度下包括第一阶段反应的两个阶段的连续两个阶段,以及在约 150℃至约250℃并回收 钴锰催化剂或锆 - 钴 - 锰催化剂,在母液分离之前,在约110℃至约200℃的温度下草酸盐沉淀催化剂,并使用约0.25至约2.5摩尔的草酸 每摩尔钴和锰或摩尔的锆 - 钴 - 锰,并将回收的催化剂金属连续循环到氧化阶段。 该新方法的产物,蒽醌和芴酮可用于制造染料和药物。
    • 9. 发明授权
    • Process for the manufacture of trimellitic acid
    • 制备偏苯三酸的方法
    • US4816601A
    • 1989-03-28
    • US72527
    • 1987-07-13
    • James D. LowryNeal R. NowickiWalter Partenheimer
    • James D. LowryNeal R. NowickiWalter Partenheimer
    • B01J23/889C07C51/265
    • B01J23/8892C07C51/265Y02P20/584
    • A continuous process is disclosed for producing trimellitic acid by the liquid-phase air oxidation of pseudocumene in an acetic acid medium in the presence of a cobalt-manganese-bromine catalyst or a zirconium-cobalt-manganese-bromine catalyst wherein the mole ratio of cobalt-to-manganese is about 1.0:0.1 to about 1:5 and the ratio of zirconium-to-cobalt is about 0.005:1 to about 0.20:1, and mole ratio of bromine to total metals of said cobalt-manganese-bromine catalyst or zirconium-cobalt-manganese-bromine catalyst is from about 0.2:1.0 to about 2.0:1.0, which process comprises conducting the reaction continuously in two stages comprising a first-stage reaction at a temperature of about 250.degree. F. to about 350.degree. F. and a second-stage reaction at a temperature of about 350.degree. F. to about 450.degree. F. and recycling the cobalt-manganese catalyst or the zirconium-cobalt-manganese catalyst by oxalate precipitation of the catalyst at temperatures of about 250.degree. F. to about 375.degree. F. prior to the separation of mother liquor and using about 0.25 to about 2.5 moles of oxalic acid per mole of cobalt and manganese or mole of zirconium-cobalt-manganese and continuously recycling the recovered catalyst metals to the first-stage oxidation. The product of this novel process, trimellitic acid, is useful for the manufacture of polyamide-imides which are used as fibers or molded articles, including automotive parts.
    • 公开了一种在钴 - 溴 - 溴催化剂或锆 - 钴 - 锰 - 溴催化剂存在下,在乙酸介质中通过假阳离子的液相空气氧化制备偏苯三酸的连续方法,其中钴 - 锰为约1.0:0.1至约1:5,锆与钴的比例为约0.005:1至约0.20:1,溴与所述钴 - 锰 - 溴催化剂的总金属摩尔比 或锆 - 钴 - 锰 - 溴催化剂的量为约0.2:1.0至约2.0:1.0,该方法包括在约250°F至约350℃的温度下连续进行包括第一阶段反应的两个步骤的反应 在约350°F至约450°F的温度下进行第二阶段反应,并在大约250℃的温度下通过草酸盐沉淀催化剂再循环钴 - 锰催化剂或锆 - 钴 - 锰催化剂 F.至约375°F 或母液的分离,并使用约0.25至约2.5摩尔草酸/摩尔钴和锰或摩尔的锆 - 钴 - 锰,并将回收的催化剂金属连续循环至第一阶段氧化。 该新方法偏苯三酸的产物可用于制造用作纤维或模塑制品的聚酰胺 - 酰亚胺,包括汽车部件。
    • 10. 发明授权
    • Process for preparation of anthraquinones and fluorenones
    • 制备蒽醌和芴酮的方法
    • US4804501A
    • 1989-02-14
    • US185432
    • 1988-04-25
    • David E. JamesNeal R. Nowicki
    • David E. JamesNeal R. Nowicki
    • C07C50/18C07B33/00C07C45/00
    • C07C50/18Y02P20/584
    • A process is disclosed for producing cyclized aromatic compounds by the liquid-phase air oxidation of 2-methyl-substituted biphenyls and diphenylmethanes in an acetic acid medium in the presence of a cobalt-manganese-bromine catalyst or a zirconium-cobalt-manganese-bromine catalyst wherein the mole ratio of cobalt-to-manganese is about 1.0:0.1 to about 1.0:10.0 and the ratio of zirconium-to-cobalt is about 0.005:1.0 to about 0.20:1.0, and mole ratio of bromine to total metals of said cobalt-manganese-bromine catalyst or zirconium-cobalt-manganese-bromine catalyst is from about 0.2:1.0 to about 20.0:1.0, which process comprises conducting the reaction in a batch process at a temperature of from 75.degree. C. to about 250.degree. C. at a pressure of from 1 to 100 atmospheres, or continuously in two stages comprising a first-stage reaction at a temperature of about 75.degree. C. to about 200.degree. C. and a second-stage reaction at a temperature of about 150.degree. C. to about 250.degree. C. and recycling the cobalt-manganese catalyst or the zirconium-cobalt-manganese catalyst by oxalate precipitation of the catalyst at temperatures of about 110.degree. C. to about 200.degree. C. prior to the separation of mother liquor and using about 0.25 to about 2.5 moles of oxalic acid per mole of cobalt and manganese or mole of zirconium-cobalt-manganese and continuously recycling the recovered catalyst metals to the oxidation stages. The products of this novel process, anthraquinones and fluorenones, are useful for the manufacture of dyestuffs and pharmaceuticals.
    • 公开了在钴锰溴催化剂或锆 - 钴 - 锰 - 溴存在下,通过在乙酸介质中通过2-甲基取代的联苯和二苯基甲烷的液相空气氧化来生产环化芳族化合物的方法 催化剂,其中钴与锰的摩尔比为约1.0:0.1至约1.0:10.0,锆与钴的摩尔比为约0.005:1.0至约0.20:1.0,溴与总金属的摩尔比为 所述钴 - 锰 - 溴催化剂或锆 - 钴 - 锰 - 溴催化剂的量为约0.2:1.0至约20.0:1.0,该方法包括在75℃至约250℃的间歇过程中进行反应 在1〜100个大气压的压力下,或者在约75℃至约200℃的温度下包括第一阶段反应的两个阶段的连续两个阶段,以及在约 150℃至约250℃并回收 钴 - 锰催化剂或锆 - 钴 - 锰催化剂,在母液分离之前,在约110℃至约200℃的温度下草酸盐沉淀催化剂,并使用约0.25至约2.5摩尔的草酸 每摩尔钴和锰或摩尔的锆 - 钴 - 锰,并将回收的催化剂金属连续循环到氧化阶段。 该新方法的产物,蒽醌和芴酮可用于制造染料和药物。