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
    • 31. 发明授权
    • Carbon and/or silicon bridged binuclear metallocene catalyst for styrene
polymerization
    • 用于苯乙烯聚合的碳和/或硅桥联双核金属茂催化剂
    • US6010974A
    • 2000-01-04
    • US844109
    • 1997-04-28
    • Hyun-Joon KimYi-yeol LyuDong-ho Lee
    • Hyun-Joon KimYi-yeol LyuDong-ho Lee
    • B01J31/22C07F17/00C08F12/04B01J31/00C07F7/00C07F7/28
    • B01J31/146B01J31/1616B01J31/2295C07F17/00C08F12/04B01J2531/0205B01J2531/40B01J2531/46B01J2531/48C08F2410/03C08F4/65912C08F4/6592C08F4/65922Y10S526/943
    • An alkylene and/or silylene bridged binuclear metallocene catalyst for styrene polymerization is represented by the following formula (I): ##STR1## where M.sup.1 and M.sup.2 are the same or different transition metal of Group IVb of the Periodic Table; Cp.sup.1 and Cp.sup.2 are the same or different cyclopentadienyl; alkyl, alkoxy, silyl or halogen substituted cyclopentadienyl; indenyl; alkyl, alkoxy, silyl or halogen substituted indenyl; fluorenyl; or alkyl, alkoxy, silyl or halogen substituted fluorenyl, which is capable of .pi.-electron, .eta..sup.5 -bonding with M.sup.1 or M.sup.2 ; each of E.sup.1, E.sup.2 and E.sup.3, independently of one another, is a carbon atom or a silicon atom; m, p and q are integers of 0 to 15 and m+p+q.gtoreq.1; each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6, independently of one another, is a hydrogen, an alkyl, an aryl, an alkoxy or a halogen; X is a hydrogen, an alkyl, an alkoxy or a halogen; and n is 3. M.sup.1 and M.sup.2 may also be in cardin form by mixture of (I) with a compound which abstructs an X gray from each metal atom and substitution then with non-coordinating anions.
    • 用于苯乙烯聚合的亚烷基和/或亚硅烷桥连双核茂金属催化剂由下式(I)表示:其中M1和M2是周期表第IVb族的过渡金属相同或不同的过渡金属; Cp1和Cp2是相同或不同的环戊二烯基; 烷基,烷氧基,甲硅烷基或卤素取代的环戊二烯基; 茚基; 烷基,烷氧基,甲硅烷基或卤素取代的茚基; 芴基; 或与M1或M2键合的烷基,烷氧基,甲硅烷基或卤素取代的芴基,其能够π电子等; E1,E2和E3各自独立地为碳原子或硅原子; m,p和q是0至15的整数,m + p + q> / = 1; R 1,R 2,R 3,R 4,R 5和R 6彼此独立地为氢,烷基,芳基,烷氧基或卤素; X是氢,烷基,烷氧基或卤素; 并且n为3.M1和M2也可以通过(I)与从每个金属原子构成X灰的化合物的混合物以卡因形式,然后用非配位阴离子代替。
    • 34. 发明授权
    • Ferrocene diphosphines as ligands for homogeneous catalysts
    • 二茂铁二膦作为均相催化剂的配体
    • US5563308A
    • 1996-10-08
    • US461349
    • 1995-06-05
    • Felix SpindlerAmina Wirth-TijaniHeidi Landert
    • Felix SpindlerAmina Wirth-TijaniHeidi Landert
    • B01J31/22B01J31/24C07B61/00C07C67/31C07C69/732C07C213/08C07C231/14C07C231/18C07C233/54C07F15/02C07F17/02C07C5/02C07F17/00
    • C07F17/02B01J31/2291B01J31/2295B01J31/2409B01J31/2471C07C213/08C07C231/18C07C67/31B01J2231/643B01J2231/645B01J2531/0205B01J2531/822B01J2531/827B01J2531/842Y10S526/943
    • Compounds of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.8 alkyl, phenyl or phenyl which is substituted by 1 to 3 C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy groups; R.sub.2 and R.sub.3 are each independently of the other typically C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl, or C.sub.1 -C.sub.4 alkyl- or C.sub.1 -C.sub.4 alkoxy-substituted C.sub.5 -C.sub.12 cycloalkyl, or phenyl which is substituted by one to three identical or different members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen;R.sub.10 and R.sub.11 are identical and are typically C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.1 -C.sub.4 alkyl- or C.sub.1 -C.sub.4 alkoxy-substituted C.sub.5 -C.sub.12 cycloalkyl or phenyl which is substituted by 1 to 3 identical or different members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen; or R.sub.10 and R.sub.11 are different and are C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.1 -C.sub.4 alkyl- or C.sub.1 -C.sub.4 alkoxy-substituted C.sub.5 -C.sub.12 cycloalkyl, phenyl or phenyl which is substituted by 1 to 3 identical or different members selected from the group consisting of C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, and * denotes a stereogenic carbon atom, in the form of their racemates and diastereoisomers or mixtures of diastereoisomers.Rhodium and iridium complexes with these ligands are suitable for use as homogeneous enantioselective catalysts for the hydrogenation of prochiral compounds containing carbon double bonds or carbon/hetero atom double bonds.
    • 式I的化合物其中R 1是C 1 -C 8烷基,苯基或被1至3个C 1 -C 4烷基或C 1 -C 4烷氧基取代的苯基; R 2和R 3各自独立地为其它通常为C 1 -C 12烷基,C 5 -C 12环烷基,苯基或C 1 -C 4烷基 - 或C 1 -C 4烷氧基取代的C 5 -C 12环烷基或被一至三个相同或不同的选自 由C 1 -C 4烷基,C 1 -C 4烷氧基或卤素组成的基团; R 10和R 11是相同的,并且通常是C 1 -C 12烷基,C 5 -C 12环烷基,C 1 -C 4烷基 - 或C 1 -C 4烷氧基取代的C 5 -C 12环烷基或被1至3个相同或不同的选自C1- C4烷基,C1-C4烷氧基或卤素; 或R 10和R 11不同,为C 1 -C 12烷基,C 5 -C 12环烷基,C 1 -C 4烷基 - 或C 1 -C 4烷氧基取代的C 5 -C 12环烷基,苯基或苯基,其被1至3个相同或不同的选自以下的基团取代: C1-C4烷基,C1-C4烷氧基或卤素,和*表示立体异构碳原子,以其外消旋体和非对映异构体的形式或非对映异构体的混合物。 与这些配体的铑和铱配合物适合用作含碳双键或碳/杂原子双键的前手性化合物氢化的均匀对映选择性催化剂。