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    • 11. 发明授权
    • Prostaglandin precursors
    • 前列腺素前体
    • US4212984A
    • 1980-07-15
    • US862329
    • 1977-12-20
    • Kiyosi KondoDaiei TunemotoTeruo Umemoto
    • Kiyosi KondoDaiei TunemotoTeruo Umemoto
    • C07C29/14C07C405/00C07F7/18C07C177/00
    • C07C321/00C07C405/0033C07F7/1856Y02P20/55
    • 4-Oxy-6-alkenyl-bicyclo[3.1.0]hexan-2-one compounds represented by the formula (I) ##STR1## wherein R represents a hydrogen atom or a protective group for a hydroxy group, R.sup.1 represents an alkyl group having 1 to 4 carbon atoms or an aryl group, R.sup.2 represents a substituted or unsubstituted alkyl group having 1 to 8 carbon atoms and R.sup.3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms;4-oxycyclopentanone compounds represented by the formula (II) ##STR2## wherein R, R.sup.2 and R.sup.3 are as defined above, R.sup.4 represents a hydroxymethyl group, a methylene group (.dbd.CH.sub.2) or a --COOR.sup.1 group wherein R.sup.1 is as defined above, and R.sup.5 represents an alkyl group having 1 to 4 carbon atoms or an aryl group, useful as prostaglandin precursors; and processes for preparing the same.
    • 由式(I)表示的4-氧基-6-烯基 - 双环[3.1.0]己-2-酮化合物其中R表示氢原子或羟基保护基,R 1表示 具有1〜4个碳原子的烷基或芳基,R 2表示取代或未取代的碳原子数1〜8的烷基,R 3表示氢原子或碳原子数1〜4的烷基。 由式(II)表示的4-羟基环戊酮化合物其中R,R 2和R 3如上所定义,R 4表示羟甲基,亚甲基(= CH 2)或-COOR 1基团,其中R 1为 R5代表具有1-4个碳原子的烷基或芳基,可用作前列腺素前体; 及其制备方法。
    • 19. 发明授权
    • Method for preparing polymers containing cyclopentanone structures
    • 制备含有环戊酮结构的聚合物的方法
    • US07182850B2
    • 2007-02-27
    • US10845839
    • 2004-05-14
    • Teruo Umemoto
    • Teruo Umemoto
    • C25B3/00C25B3/02
    • C08F2/58C08G61/02C08G2261/3142C08G2261/44
    • A method to electrolytically polymerize aromatic hydrocarbons and oxidize cyclopentane structures within the hydrocarbons into cyclopentanone structures is disclosed including a method to electrolyze fluorene in the presence of an ester to produce poly(9-fluorenone). A method to electrolytically oxidize polymers having cyclopentane structures to polymers having cyclopentanone structures is also disclosed including a method to electrolyze poly(fluorene) to produce poly(9-fluorenone). In addition, a method to chemically oxidize polymers containing cyclopentane structures into polymers containing cyclopentanone structures is disclosed, including a method to oxidize poly(fluorene), with a chemically prepared oxidizing agent, to produce poly(9-fluroenone).
    • 公开了一种使芳族烃电解聚合并将烃内的环戊烷结构氧化为环戊酮结构的方法,包括在酯存在下电解芴以产生聚(9-芴酮)的方法。 还公开了一种将具有环戊烷结构的聚合物电解氧化成具有环戊酮结构的聚合物的方法,其包括电解聚(芴)以产生聚(9-芴酮)的方法。 此外,公开了一种将含有环戊烷结构的聚合物化学氧化成含有环戊酮结构的聚合物的方法,包括用化学制备的氧化剂氧化聚(芴)的方法以产生聚(9-氟酮酮)。
    • 20. 发明申请
    • Method for preparing polymers containing cyclopentanone structures
    • 制备含有环戊酮结构的聚合物的方法
    • US20050045492A1
    • 2005-03-03
    • US10964147
    • 2004-10-12
    • Teruo Umemoto
    • Teruo Umemoto
    • C08F2/46C08F2/58C08F8/06C25B11/08G03C1/492C25B3/00
    • C08F2/58C08G61/10
    • A method to electrolytically polymerize aromatic hydrocarbons and oxidize cyclopentane structures within the hydrocarbons into cyclopentanone structures is disclosed including a method to electrolyze fluorene in the presence of an ester to produce poly(9-fluorenone). A method to electrolytically oxidize polymers having cyclopentane structures to polymers having cyclopentanone structures is also disclosed including a method to electrolyze poly(fluorene) to produce poly(9-fluorenone). In addition, a method to chemically oxidize polymers containing cyclopentane structures into polymers containing cyclopentanone structures is disclosed, including a method to oxidize poly(fluorene), with a chemically prepared oxidizing agent, to produce poly(9-fluorenone).
    • 公开了一种使芳族烃电解聚合并将烃内的环戊烷结构氧化为环戊酮结构的方法,包括在酯存在下电解芴以产生聚(9-芴酮)的方法。 还公开了一种将具有环戊烷结构的聚合物电解氧化成具有环戊酮结构的聚合物的方法,其包括电解聚(芴)以产生聚(9-芴酮)的方法。 此外,公开了一种将含有环戊烷结构的聚合物化学氧化成含有环戊酮结构的聚合物的方法,包括用化学制备的氧化剂氧化聚(芴)的方法以产生聚(9-芴酮)。