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    • 4. 发明授权
    • Method for producing optically active cyclopropanecarboxylate compound
    • 光学活性环丙烷羧酸酯化合物的制备方法
    • US07705165B2
    • 2010-04-27
    • US11630802
    • 2005-06-30
    • Makoto ItagakiRyo Minamida
    • Makoto ItagakiRyo Minamida
    • C07D307/00C07C61/04
    • C07B53/00B01J31/1815B01J2231/325B01J2531/16C07B2200/07C07C67/347C07C2601/02C07D263/14C07C69/757
    • A method for producing an optically active cyclopropanecarboxylate compound represented by the formula (5): wherein R6, R7, R8 and R9 represent a C1-C6 alkyl group or the like and R10 represents a C1-C6 alkyl group, which comprises reacting an olefin represented by the formula (3): wherein R6, R7, R8 and R9 are as described above, with a diazoacetic acid ester represented by the formula (4): N2CHCO2R10  (4) wherein R10 is as described above, in the presence of an asymmetric copper complex obtained by mixing (A) at least one monovalent or divalent copper compound, (B) at least one optically active bisoxazoline compound represented by the formula (1):  wherein R1 and R2 represent a C1-C6 alkyl group or the like; R3 represents a tert-butyl group or the like; and R4 and R5 are the same and represent C1-C3 alkyl groups or the like, and (C) at least one fluorine compound represented by the formula (2): A-MF6  (2)  wherein A represents a trityl group or the like, and M represents a phosphorous atom or the like.
    • 一种制备由式(5)表示的光学活性环丙烷羧酸酯化合物的方法:其中R 6,R 7,R 8和R 9表示C 1 -C 6烷基等,R 10表示C 1 -C 6烷基,其包括使烯烃 由式(3)表示:其中R6,R7,R8和R9如上所述与由式(4)表示的重氮乙酸酯:N2CHCO2R10(4)其中R10如上所述,在 通过混合(A)至少一种一价或二价铜化合物,(B)至少一种由式(1)表示的光学活性双恶唑啉化合物得到的不对称铜配合物:其中R1和R2表示C1-C6烷基等 ; R3表示叔丁基等; 和(C)至少一种由式(2)表示的氟化合物:A-MF6(2)其中A表示三苯甲基或类似基团 ,M表示磷原子等。
    • 6. 发明授权
    • Method for producing optically active bisamidoalcohol compound
    • 光学活性双酰氨基醇化合物的制备方法
    • US07612236B2
    • 2009-11-03
    • US10580691
    • 2004-12-21
    • Makoto Itagaki
    • Makoto Itagaki
    • C07C231/02C07C233/05
    • C07C231/02C07B2200/07
    • It is provided that a method for producing an optically active bisamidoalcohol compound represented by the formula (3): wherein R1 represents a C1-6 alkyl group, an optionally substituted phenyl group, an optionally substituted aralkyl group or a hydrogen atom, or two R1s, which are bonded to the same carbon atom, are bonded to form a ring together with the carbon atom to which they are bonded, R2 represents a C1-6 alkyl group, an optionally substituted phenyl group, a 1-naphthyl group, a 2-naphthyl group or an optionally substituted aralkyl group, R3 and R4 are the same or different, and each represents a hydrogen atom or C1-3 alkyl group, m represents an integer of 0 to 2, and * represents an asymmetric center, which comprises reacting an optically active aminoalcohol compound represented by the formula (1): wherein R1, R2 and * are as defined above, with a diester compound represented by the formula (2): wherein R3, R4 and m are as defined above and R5 represents a C1-3 alkyl group, in the presence of a lithium compound.
    • 提供一种由式(3)表示的光学活性双酰氨基醇化合物的制备方法:其中R1表示C1-6烷基,任选取代的苯基,任选取代的芳烷基或氢原子,或两个R 1 与其相同的碳原子键合,与它们所键合的碳原子一起形成环,R2表示C1-6烷基,任意取代的苯基,1-萘基,2 - 萘基或任选取代的芳烷基,R 3和R 4相同或不同,各自表示氢原子或C 1-3烷基,m表示0〜2的整数,*表示不对称中心,其包含 将由式(1)表示的光学活性氨基醇化合物(其中R 1,R 2和*如上定义)与式(2)表示的二酯化合物反应:其中R 3,R 4和m如上所定义,R 5表示 C 1-3烷基, 在锂化合物的存在下。
    • 7. 发明申请
    • Process for production of optically active cyclopropanecarboxylate compound
    • 光学活性环丙烷羧酸酯化合物的制备方法
    • US20090048450A1
    • 2009-02-19
    • US11630803
    • 2005-06-30
    • Makoto Itagaki
    • Makoto Itagaki
    • C07F15/00
    • C07F5/027B01J31/1815B01J2231/325B01J2531/16C07C67/347C07C69/757
    • A process for production of an optically active cyclopropanecarboxylate compound represented by the formula (5): wherein R6, R7, R8 and R9 represent a C1-C6 alkyl group or the like and R10 represents a C1-C6 alkyl group, which comprises reacting an olefin represented by the formula (3): wherein R6, R7, R8 and R9 are as described above, with a diazoacetic acid ester represented by the formula (4): N2CHCO2R10  (4) wherein R10 is as described above, in the presence of an asymmetric copper complex obtained by mixing (A) at least one monovalent or divalent copper compound, (B) at least one optically active bisoxazoline compound represented by the formula (1): wherein R1 and R2 represent a C1-C6 alkyl group or the like; R3 represents a tert-butyl group or the like; and R4 and R5 are the same and represent C1-C3 alkyl groups or the like, and (C) at least one boron compound represented by the formula (2): wherein A represents a trityl group or the like, X represents a fluorine atom or the like, and n represents an integer of 1 to 5.
    • 一种制备由式(5)表示的光学活性环丙烷羧酸酯化合物的方法:其中R 6,R 7,R 8和R 9表示C 1 -C 6烷基等,R 10表示C 1 -C 6烷基,其包括使 由式(3)表示的烯烃:其中R6,R7,R8和R9如上所述与由式(4)表示的重氮乙酸酯:<?in-line-formula description =“In-Line Formulas” end =“lead”?> N2CHCO2R10(4)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中R10如上所述,在由不对称铜络合物 混合(A)至少一种一价或二价铜化合物,(B)至少一种由式(1)表示的光学活性双恶唑啉化合物:其中R1和R2表示C1-C6烷基等; R3表示叔丁基等; 和R 4和R 5相同并且表示C1-C3烷基等,和(C)至少一种由式(2)表示的硼化合物:其中A表示三苯甲基等,X表示氟原子 n,n表示1〜5的整数。
    • 8. 发明授权
    • Optical disc apparatus and method thereof
    • 光盘装置及其方法
    • US06850470B2
    • 2005-02-01
    • US10214367
    • 2002-08-08
    • Shigeki YamazakiHiroyuki MinamuraHisataka SugiyamaTetsuya FushimiMakoto Itagaki
    • Shigeki YamazakiHiroyuki MinamuraHisataka SugiyamaTetsuya FushimiMakoto Itagaki
    • G11B7/0045G11B7/005G11B7/09G11B7/00
    • G11B7/005G11B7/0045G11B7/0945
    • An optical disc apparatus and method for recording and reproducing information to/from an optical disc, including discrimination of the optical disc, reading control information in an un-recordable area formed in an inner periphery of the optical disc, conducting focus control based on a focus error signal in a recordable area formed outside of the un-recordable area, and determining an optimum offset value of the focus error signal in the recordable area. Further, adjustment in amplitude of a reproduced signal from an inner periphery of the recordable area is conducted, test-writing in the inner periphery of the recordable area is conducted, test-writing in an outer periphery of the recordable area is conducted, and adjustment in amplitude of a reproduced signal from the outer periphery of the recordable area is conducted. The respective operations are conducted sequentially so as to make the optical disc in a reproducible and recordable condition.
    • 一种用于向/从光盘记录和再现信息的光盘装置和方法,包括识别光盘,在形成在光盘内周的不可记录区域中的读取控制信息,基于 在形成在不可记录区域之外的可记录区域中的聚焦误差信号,以及确定可记录区域中的聚焦误差信号的最佳偏移值。 此外,进行来自可记录区域的内周的再现信号的振幅的调整,进行可记录区域的内周的测试写入,进行可记录区域的外周的测试写入,以及调整 进行来自可记录区域的外周的再生信号的振幅。 相应的操作顺序进行,以使光盘处于可再现和可记录状态。
    • 9. 发明授权
    • Method for producing of 2,3-dimethylbutene-1 and 2,3-dimethylbutene-2
    • 2,3-二甲基丁烯-1和2,3-二甲基丁烯-2的制备方法
    • US06388160B1
    • 2002-05-14
    • US09577840
    • 2000-05-25
    • Makoto ItagakiGohfu SuzukamoMichio Yamamoto
    • Makoto ItagakiGohfu SuzukamoMichio Yamamoto
    • C07C200
    • C07C11/107B01J31/0202B01J31/0232B01J31/143B01J31/2404B01J2231/52B01J2531/847C07C2/36C07C2527/128C07C2531/02C07C2531/025C07C2531/04C07C2531/10C07C2531/14C07C2531/22C07C2531/24
    • There is disclosed a method for producing 2,3-dimethylbutene-1 and 2,3-dimethylbutene-2, which is characterized by the steps of (a) dimerizing propylene in a propylene-dimerization step using a nickel complex catalyst as described below as a propylene-dimerization catalyst having propylene-dimerization activity and DMB-1 selectivity, (b) rectifying the resulting reaction solution to obtain 2,3-dimethylbutene-1 as a distillate and a distillation residue containing 2,3-dimethylbutene-1 in a 2,3-dimethylbutene-1 distillation step, (c) allowing the distillation residue to contact with sulfuric acid, sulfonic acid or hetetopolyacid to isomerize 2,3-dimethylbutene-1 in said distillation residue into 2,3-dimethylbutene-2 in an isomerization step, and (d) rectifying the resulting isomerization reaction solution to obtain 2,3-dimethylbutene-2 in a 2,3-dimethylbutene-2 distillation step, wherein said nickel complex catalyst containing (A) at least one nickel compound and the like, (B) a trialkylaluminum, (C) a trivalent phosphorus compound, (D) a fluorinated isopropanol or a halogenated phenol (E) at least one sulfur compound selected from a sulfonic acid and a dialkylsulfuric acid.
    • 公开了2,3-二甲基丁烯-1和2,3-二甲基丁烯-2的制备方法,其特征在于以下步骤:(a)使用如下所述的镍络合物催化剂在丙烯二聚步骤中使丙烯二聚 具有丙烯二聚活性和DMB-1选择性的丙烯 - 二聚催化剂,(b)将所得反应溶液精馏,得到作为馏出物的2,3-二甲基丁烯-1和含有2,3-二甲基丁烯-1的蒸馏残余物 2,3-二甲基丁烯-1蒸馏步骤,(c)使蒸馏残余物与硫酸,磺酸或氢过氧酸接触,将所述蒸馏残余物中的2,3-二甲基丁烯-1异构化为2,3-二甲基丁烯-2 异构化步骤,和(d)在2,3-二甲基丁烯-2蒸馏步骤中精制所得异构化反应溶液得到2,3-二甲基丁烯-2,其中所述镍络合物催化剂含有(A)至少一种镍化合物和 (B)三烷基铝 m,(C)三价磷化合物,(D)氟化异丙醇或卤代苯酚(E)至少一种选自磺酸和二烷基硫酸的硫化合物。