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    • 86. 发明授权
    • Dipalladaphosphacyclobutanes and a process for preparing the same
    • 二环磷杂环丁烷及其制备方法
    • US6084114A
    • 2000-07-04
    • US308259
    • 1999-07-19
    • Holger GeisslerPeter GrossBianca Guckes
    • Holger GeisslerPeter GrossBianca Guckes
    • B01J31/24C07F15/00C07F9/02
    • B01J31/2404B01J31/24B01J31/2423B01J31/2447C07F15/006B01J2231/4261B01J2531/0205B01J2531/824B01J2540/225
    • The invention relates to palladaphosphacyclobutanes of the formula (I) ##STR1## where R.sup.1, R.sup.2 are, independently of one another, hydrogen, (C.sub.1 -C.sub.4)-alkyl, (C.sub.3 -C.sub.12)-cycloalkyl, (C.sub.1 -C.sub.4)-alkoxy, fluorine, N[(C.sub.1 -C.sub.4)-alkyl].sub.2, CO.sub.2 -(C.sub.1 -C.sub.4)-alkyl, OCO-(C.sub.1 -C.sub.4)-alkyl or aryl;R.sup.3, R.sup.4, R.sup.5, R.sup.6 are, independently of one another, (C.sub.1 -C.sub.8)-alkyl, (C.sub.3 -C.sub.12)-cycloalkyl or aryl;or where R.sup.1 and R.sup.2, R.sup.1 or R.sup.2 and R.sup.3 or R.sup.4, R.sup.3 and R.sup.4, R.sup.3 or R.sup.4 and R.sup.5 or R.sup.6, or R.sup.5 and R.sup.6 together form an aliphatic ring; or where R.sup.5 and R.sup.6, R.sup.3 or R.sup.4 and R.sup.5 or R.sup.6 together form an aromatic ring; andY is an anion of an inorganic or organic acid, with the exception of the compoundsdi-.mu.-chloro-bis[2-[bis(1,1-dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II)di-.mu.-bromo-bis[2-[bis(1,1 -dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II)di-.mu.-trifluoroacetato-bis[2-[bis(1,1 -dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II)di-.mu.-chloro-bis[2-[(1,1 -dimethylethyl)phenylphosphino]-2-methylpropyl-C,P]dipalladium(II).mu.-chloro-.mu.-methoxy-bis[2-[bis(1,1 -dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II).
    • PCT No.PCT / EP97 / 06327 Sec。 371日期1999年7月19日第 102(e)1999年7月19日PCT 1997年11月13日PCT公布。 公开号WO98 / 22485 日本公开日1998年5月28日本发明涉及式(I)的聚苯撑磷杂环丁烷,其中R1,R2彼此独立地为氢,(C1-C4) - 烷基,(C3-C12) - 环烷基,(C1-C4) - 烷氧基,氟,N [(C 1 -C 4) - 烷基] 2,CO 2 - (C 1 -C 4) - 烷基,OCO-(C 1 -C 4) - 烷基或芳基; R3,R4,R5,R6彼此独立地为(C1-C8) - 烷基,(C3-C12) - 环烷基或芳基; 或其中R 1和R 2,R 1或R 2和R 3或R 4,R 3和R 4,R 3或R 4和R 5或R 6或R 5和R 6一起形成脂族环; 或其中R 5和R 6,R 3或R 4和R 5或R 6一起形成芳环; 并且Y是无机或有机酸的阴离子,除了化合物二氯 - 双[2- [二(1,1-二甲基乙基)膦基] -2-甲基丙基-C,P]二钯( II)二 - 双 - 双 - [2- [二(1,1-二甲基乙基)膦基] -2-甲基丙基-C,P]二 - (三氟乙酰)双[ ,1-二甲基乙基)膦基] -2-甲基丙基-C,P]二钯(II)二氯 - 双[2 - [(1,1-二甲基乙基)苯基膦基] -2-甲基丙基C,P]二钯 (II) - 氯 - 甲氧基 - 双[2- [二(1,1-二甲基乙基)膦基] -2-甲基丙基-C,P]二钯(II)。
    • 90. 发明授权
    • Chiral rhodium-diphosphine complexes
    • 手性铑 - 二膦配合物
    • US5142063A
    • 1992-08-25
    • US616160
    • 1990-11-20
    • Emil A. BrogerYvo Crameri
    • Emil A. BrogerYvo Crameri
    • B01J31/24C07B35/02C07B53/00C07B61/00C07C55/10C07C59/08C07D307/32C07D307/33C07F15/00
    • B01J31/223B01J31/189B01J31/2291B01J31/2295B01J31/2414B01J31/2495C07D307/33C07F15/008B01J2231/643B01J2231/645B01J2531/822B01J2540/10B01J2540/20B01J2540/22B01J2540/225B01J31/1805B01J31/1875
    • The present invention describes novel chiral rhodium-diphosphine complexes having the formula[Rh(X) (Y) (Lp)]owherein X represents a residue of the formula X--COO.sup.- in which Z signifies a group ##STR1## aryl or substituted aryl, wherein R.sup.1, R.sup.2, R.sup.3 =hydrogen, halogen, lower alkyl, aryl-lower alkyl, perfluoro-C.sub.1-20 -alkyl, aryl, substituted aryl, the group --OR.sup.7, --(CH.sub.2).sub.m --COA or AOC--(CF.sub.2).sub.n, with the proviso that at least one of R.sup.1, R.sup.2, and R.sup.3 represents --OR.sup.7, aryl or substituted aryl,R.sup.4, R.sup.5, R.sup.6 =hydrogen, halogen, lower alkyl, aryl-lower alkyl, perfluoro--C.sub.1-20 -alkyl, aryl, substituted aryl, --(CH.sub.2).sub.m --COA or AOC--(CF.sub.2).sub.n,R.sup.7 =hydrogen, lower alkyl, partially or completely halogenated lower alkyl, aryl, substituted aryl or aryl-lower alkyl,A=The residue --OR or NR'.sub.2,R=hydrogen, lower alkyl, aryl, substituted aryl, aryl-lower alkyl or a cation,R'=hydrogen, lower alkyl, aryl, substituted aryl or aryl-lower alkyl,m=a number 0 to 20n=a number 1 to 20,Y=is a specific chiral diphosphine ligand,L=is a neutral ligand selected from ethylene, propylene, cyclooctane, 1,5-hexadiene, norbornadiene, 1,5-cyclooxtadiene, acetonitrile and benzonitrile,p=0, 1 or 2, ando=1 or 2.The invention also describes processes for manufacture of the above complexes. These complexes are used in asymmetric hydrogenations.
    • 本发明描述了具有式[Rh(X)(Y)(Lp)] o的新型手性铑 - 二膦配合物,其中X表示式X-COO-的残基,其中Z表示基团“ 芳基,其中R 1,R 2,R 3 =氢,卤素,低级烷基,芳基 - 低级烷基,全氟C 1-20烷基,芳基,取代的芳基,-OR 7, - (CH 2)m -COA或AOC- CF 2)n,条件是R 1,R 2和R 3中的至少一个表示-OR 7,芳基或取代的芳基,R 4,R 5,R 6 =氢,卤素,低级烷基,芳基 - 低级烷基,全氟-C1-20 - 烷基,芳基,取代的芳基, - (CH 2)m -COA或AOC-(CF 2)n,R 7 =氢,低级烷基,部分或完全卤化的低级烷基,芳基,取代的芳基或芳基 - 低级烷基,A = 残基-OR或NR'2,R =氢,低级烷基,芳基,取代的芳基,芳基 - 低级烷基或阳离子,R'=氢,低级烷基,芳基,取代的芳基或芳基 - 低级烷基,m = 0〜20 n = 1〜20的数,Y =特定的手性二膦配体,L = 选自乙烯,丙烯,环辛烷,1,5-己二烯,降冰片二烯,1,5-环氧丁二烯,乙腈和苄腈,p = 0,1或2,和o = 1或2的中性配体。本发明还描述了 制造上述配合物。 这些络合物用于不对称氢化。