2,4,5-三氟-3-甲氧基-6-硝基苯甲酸 、 ammonium hydroxide 以to produce 1.6 g (6.45 mmol, 80%) of 3-amino-4,6-difluoro-5-methoxy-2-nitro-benzoic acid的产率得到3-Amino-4,6-difluoro-5-methoxy-2-nitro-benzoic acid
参考文献:
名称:
Benzazole derivatives, compositions, and methods of use as β-secretase inhibitors
Benzazole Derivatives, Compositions, and Methods of Use as Beta-Secretase Inhibitors
申请人:Mjalli Adnan M.M.
公开号:US20090326006A1
公开(公告)日:2009-12-31
The present invention is directed to benzazole compounds that inhibit β-site amyloid precursor protein-cleaving enzyme (BACE) and that may be useful in the treatment or prevention of diseases in which BACE is involved, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which BACE is involved.
Benzazole Derivatives, Compositions, and Methods of Use as B-Secretase Inhibitors
申请人:Mjalli Adnan M.M.
公开号:US20110065713A1
公开(公告)日:2011-03-17
The present invention is directed to benzazole compounds that inhibit β-site amyloid precursor protein-cleaving enzyme (BACE) and that may be useful in the treatment or prevention of diseases in which BACE is involved, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which BACE is involved.
Benzazole derivatives, compositions, and methods of use as β-secretase inhibitors
申请人:High Point Pharmaceuticals, LLC
公开号:US07893267B2
公开(公告)日:2011-02-22
The present invention is directed to benzazole compounds that inhibit β-site amyloid precursor protein-cleaving enzyme (BACE) and that may be useful in the treatment or prevention of diseases in which BACE is involved, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which BACE is involved.
Verfahren zur Herstellung von Trifluorbenzolderivaten
申请人:CIBA-GEIGY AG
公开号:EP0545866A1
公开(公告)日:1993-06-09
Ein Verfahren zur Herstellung von Trifluornitrobenzolderivaten der Formel
worin R Wasserstoff, C₁-C₈-Alkyl, Halogen-C₁-C₈-alkyl oder Allyl bedeutet, sowie ein Verfahren zur Herstellung von 2-Nitro-3,4,6-trifluorbenzoesäurederivaten der Formel
worin R die oben gegebenen Bedeutungen hat, werden beschrieben.
Verbindungen der Formel I sind wertvolle Zwischenprodukte zur Herstellung von Wirkstoffen für die Schädlingsbekämpfung.
一种三氟硝基苯衍生物的制备工艺,其式如下
其中 R 为氢、C₁-C₈-烷基、卤代-C₁-C₈-烷基或烯丙基,以及一种制备式 2-硝基-3,4,6-三氟苯甲酸衍生物的工艺。
式 I 的化合物是生产害虫防治活性成分的重要中间体。
Benzazole derivatives, compositions, and methods of use as B-secretase inhibitors
申请人:High Point Pharmaceuticals, LLC
公开号:EP2457901A1
公开(公告)日:2012-05-30
The present invention is directed to benzazole compounds that inhibit β-site amyloid precursor protein-cleaving enzyme (BACE) and that may be useful in the treatment or prevention of diseases in which BACE is involved, such as Alzheimer's disease. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which BACE is involved.