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    • 3. 发明授权
    • Chiral phosphinite-boranes, their preparation and uses
    • 手性膦 - 硼烷,其制备和用途
    • US5264602A
    • 1993-11-23
    • US817802
    • 1992-01-09
    • Sylvain JugeJean-Pierre GenetJean-Alex LaffitteMassoud Stephan
    • Sylvain JugeJean-Pierre GenetJean-Alex LaffitteMassoud Stephan
    • C07F9/46C07F9/50C07F5/02C07F7/08
    • C07F9/46C07F9/5027C07F9/5045
    • This invention is concerned with new chiral diphosphinite-borane compound of the formula ##STR1## wherein R.sup.1 and R.sup.2, identical or different, represent each a C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.18 cycloalkyl, C.sub.7 -C.sub.18 aralkyl or C.sub.6 -C.sub.14 aryl group which can bear functional groups,R.sup.3 represents a C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.18 cycloalkyl, C.sub.7 -C.sub.18 aralkyl, C.sub.6 -C.sub.14 aryl, C.sub.1 -C.sub.18 alkoxy, C.sub.5 -C.sub.18 cycloalkyloxy, C.sub.7 -C.sub.18 aralkyloxy or C.sub.6 -C.sub.14 aryloxy group,Z represents a bridge linking the two phosphinite P atoms, said bridge being (i) a hydrocarbon chain having from 1 to 12 catenary C atoms or (ii) a heterohydrocarbon chain comprising from 1 to 12 catenary C atoms and at least one catenary heteroatom selected from the group consisting of O, S, Si, P and N.These chiral compounds are useful in the manufacture of chiral diphosphine compounds.
    • 本发明涉及式(I)(Iobis)的新型手性二膦 - 硼烷化合物,其中R 1和R 2相同或不同,表示C1-C18烷基,C5-C18环烷基,C7- C18芳烷基或C6-C14芳基,R3表示C1-C18烷基,C5-C18环烷基,C7-C18芳烷基,C6-C14芳基,C1-C18烷氧基,C5-C18环烷基氧基,C7-C18 芳烷氧基或C 6 -C 14芳氧基,Z表示连接两个磷化物P原子的桥,所述桥是(i)具有1至12个链C原子的烃链或(ii)包含1至12个链C的杂烃链 原子和至少一个选自O,S,Si,P和N的链状杂原子。这些手性化合物可用于制造手性二膦化合物。