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    • 3. 发明授权
    • Process for the preparation of substituted phenylboronic acids
    • 制备取代苯基硼酸的方法
    • US06576789B1
    • 2003-06-10
    • US09553036
    • 2000-04-20
    • Steffen HaberAndreas MeudtStefan SchererFrank Vollmueller
    • Steffen HaberAndreas MeudtStefan SchererFrank Vollmueller
    • C07F502
    • C07F5/025C07F3/02Y02P20/55
    • Compounds of the formula (I) in which Q1 and Q2 are each OH or form a trimeric boric anhydride, Z is CHO, CH2Y, X or a protected aldehyde group, and X is CN, COOH, COCl, CONH2 or C(OR)3, and Y is OH or NH2, and Z is in the o-, m- or p-position to the boronic acid radical, are prepared by a) reacting a compound of the formula (II)  with Mg in the presence of an anthracene compound and, if desired, a transition-metal halide and, if desired, an Mg halide or in the presence of a transition-metal halide and, if desired, an Mg halide, to give the corresponding arylmagnesium chloride, b) reacting the latter with a borate of the formula B(OR′)3 and hydrolyzing the product, with removal of the aldehyde protecting group, c) and, if desired, oxidizing or reducing the free aldehyde group.
    • 式(I)化合物,其中Q 1和Q 2各自为OH或形成三聚硼酸酐,Z为CHO,CH 2 Y,X或保护的醛基,X为CN,COOH,COCl,CONH 2或C(OR)3 ,并且Y是OH或NH 2,并且Z与硼酸根在o-,m-或p-位,是通过以下方法制备的:a)在蒽化合物存在下使式(II)化合物与Mg反应制备 如果需要,可以使用过渡金属卤化物,如果需要,还可以在过渡金属卤化物存在下,或者如果需要的话使用卤化镁,得到相应的芳基氯化镁,b)使后者与 式B(OR')3的硼酸盐,并水解产物,除去醛保护基,c),如果需要,氧化或还原游离醛基。
    • 8. 发明授权
    • Method for producing (1,1′,4, 11″)-terphenyl compounds
    • 生产(1,1',4,11“) - 三联苯化合物的方法
    • US06762315B1
    • 2004-07-13
    • US09914478
    • 2001-08-24
    • Stefan SchererSteffen Haber
    • Stefan SchererSteffen Haber
    • C07C6976
    • C07C67/343C07C69/76
    • The invention relates to a method for producing [1,1′:4′,1″]-terphenyl compounds of the formula which comprises reacting a metal aryl of the formula with a boric ester at −80 to 40° C. in the presence of an inert solvent, converting the reaction product by hydrolysis into a boronic acid of the formula reacting the boronic acid, a boronic anhydride obtainable from boronic acid by elimination of water, or a mixture of boronic acid and boronic anhydride, with an alcohol, and reacting the boronic ester formed thereby with a biphenyl compound of the formula at 40 to 180° C. in the presence of a catalyst, of an acid-binding agent and of a polar solvent.
    • 本发明涉及一种生产该配方的[1,1':4',1“] - 三联苯化合物的方法,包括在-80至40℃下在-80至40℃下,在存在下使硼酸酯的金属芳基 惰性溶剂,通过水解将反应产物转化成硼酸的硼酸,通过除去水从硼酸获得的硼酸酐,或硼酸和硼酸酐的混合物与醇反应,并使 在催化剂存在下,在酸结合剂和极性溶剂的存在下,由式40至180℃的联苯化合物形成硼酸酯。