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    • 3. 发明授权
    • Processes for preparing optically active alcohols and optically active
amines
    • 制备光学活性醇和光学活性胺的方法
    • US6025531A
    • 2000-02-15
    • US89349
    • 1998-06-03
    • Yukio YoneyoshiNaoto KonyaGohfu Suzukamo
    • Yukio YoneyoshiNaoto KonyaGohfu Suzukamo
    • C07B53/00C07B57/00C07C29/143C07C33/34C07C209/40C07C213/02
    • C07B53/00C07B57/00C07C209/40C07C213/02C07C29/143C07B2200/07
    • A process for preparing an optically active alcohol by reacting a prochiral ketone corresponding to the optically active alcohol and an acid with a mixture of (1) a boron-containing compound selected from the group consisting of i) a borane compound which is obtained from an optically active .beta.-aminoalcohol and a boron hydride; or obtained from the optically active .beta.-aminoalcohol, a metal borohydride and an acid and ii) an optically active oxazaborolidine and (2) a metal borohydride; and a process for preparing an optically active amine by reacting an oxime derivative and an acid with a mixture of (1) a boron-containing compound selected from the group consisting of i) a borane compound which is obtained from an optically active .beta.-aminoalcohol and a boron hydride, or obtained from said optically active .beta.-aminoalcohol, a metal borohydride and an acid and ii) an optically active oxazaborolidine, and (2) a metal borohydride.
    • 通过使对应于光学活性醇的前手性酮与酸与(1)选自以下的混合物的混合物反应制备光学活性醇的方法:i)硼烷化合物,其由 光学活性β-氨基醇和硼氢化物; 或由光学活性β-氨基醇,金属硼氢化物和酸获得,和ii)光学活性的恶唑硼烷和(2)金属硼氢化物; 和通过使肟衍生物和酸与(1)选自以下的含硼化合物的混合物制备光学活性胺的方法:i)由光学活性β-氨基醇获得的硼烷化合物 和硼氢化物,或从所述光学活性β-氨基醇,金属硼氢化物和酸获得的硼氢化物,和ii)光学活性的恶唑硼烷,和(2)金属硼氢化物。
    • 9. 发明授权
    • Process for producing &bgr;-carotene
    • 生产β-胡萝卜素的方法
    • US06355841B1
    • 2002-03-12
    • US09685030
    • 2000-10-10
    • Naoto KonyaShinzo Seko
    • Naoto KonyaShinzo Seko
    • C07C31500
    • C07C403/24C07F9/5435Y02P20/55
    • There are disclosed a process for producing a sulfon derivative of formula (1): wherein Ar represents an aryl group which may be substituted, R represents a lower alkyl group and the wavy line depicted by  indicates a single bond and stereochemistry relating to a double bond bound therewith is E or Z or a mixture thereof, which process is characterized by reacting an aldehyde derivative of formula (2): with phosphonium salt of formula (3): in the presence of a base; a sulfone derivative of formula (1) and a process for producing a &bgr;-carotene using sulfone derivative of formula (1).
    • 公开了式(1)的磺酸衍生物的制备方法:其中Ar表示可被取代的芳基,R表示低级烷基,所示的波浪线表示单键,并且与双键结合相关的立体化学 其为E或Z或其混合物,该方法的特征在于使式(2)的醛衍生物与式(3)的鏻盐在碱的存在下反应: 式(1)的砜衍生物和使用式(1)的砜衍生物生产β-胡萝卜素的方法。