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    • 12. 发明授权
    • Fluoroalkyl-substituted ferrocenyl diphosphines as ligands for
homogeneous catalysts
    • 氟烷基取代的二茂铁基二膦作为均相催化剂的配体
    • US5583241A
    • 1996-12-10
    • US313485
    • 1994-09-27
    • Felix Spindler
    • Felix Spindler
    • B01J31/22B01J31/24C07C209/52C07C213/08C07F17/02
    • B01J31/2291B01J31/1805B01J31/2295B01J31/24B01J31/2404B01J31/2409C07C209/52C07C213/08C07F17/02B01J2231/643B01J2231/645B01J2531/0216B01J2531/822B01J2531/827B01J2531/842B01J2540/12B01J2540/40Y10S526/943
    • 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 is a radical of formula II ##STR2## wherein R.sub.12 is C.sub.1 -C.sub.5 alkyl which is partially or completely fluorinated;R.sub.13 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, --SiR.sub.4 R.sub.5 R.sub.6, halogen, --SO.sub.3 M, CO.sub.2 M, --PO.sub.3 M, --NR.sub.7 R.sub.8 or --[.sup..sym. NR.sub.7 R.sub.8 R.sub.9 ]X.sup..crclbar. ;m is an integer from 1 to 3, n is 0 or an integer from 1 to 4, and the sum of m+n is 1 to 5;R.sub.3, R.sub.10, R.sub.11 have each independently of one another the same meaning as R.sub.2 or are each independently of one another C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.12 cycloalkyl, phenyl, 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, --SiR.sub.4 R.sub.5 R.sub.6, halogen, --SO.sub.3 M, --CO.sub.2 M, --PO.sub.3 M, --NR.sub.7 R.sub.8 and --[.sup..sym. NR.sub.7 R.sub.8 R.sub.9 ]X.sup..crclbar. ;R.sub.4, R.sub.5 and R.sub.6 are each independently of one another C.sub.1 -C.sub.12 alkyl or phenyl;R.sub.7 and R.sub.8 are H, C.sub.1 -C.sub.12 alkyl or phenyl orR.sub.7 and R.sub.8, taken together, are tetramethylene, pentamethylene or 3-oxa-1,5-pentylene;R.sub.9 is H or C.sub.1 -C.sub.4 alkyl,M is H or an alkali metal, X.sup..crclbar. is the anion of a monobasic acid, and * is 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; R2是式II的基团(II)其中R12是部分或完全氟化的C 1 -C 5烷基; R13是C1-C4烷基,C1-C4烷氧基,-SiR4R5R6,卤素,-SO3M,CO2M,-PO3M,-NR7R8或 - [(+)NR7R8R9] X( - ); m为1〜3的整数,n为0或1〜4的整数,m + n的和为1〜5。 R 3,R 10,R 11各自独立地为与R 2相同的含义或彼此独立地彼此独立地为C 1 -C 12烷基,C 5 -C 12环烷基,苯基,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 被一至三个相同或不同的选自C1-C4烷基,C1-C4烷氧基,-SiR4R5R6,卤素,-SO3M,-CO2M,-PO3M,-NR7R8和 - [(+)NR7R8R9] X( - ); R4,R5和R6各自独立地为C1-C12烷基或苯基; R 7和R 8是H,C 1 -C 12烷基或苯基或R 7和R 8一起是四亚甲基,五亚甲基或3-氧杂-1,5-亚戊基; R9是H或C1-C4烷基,M是H或碱金属,X( - )是一元酸的阴离子,*是其外消旋体和非对映异构体或非对映异构体混合物形式的立体碳原子。 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。