SYNTHESIS OF 4-AMINO-PYRIMIDINES SCAFFOLDS
    5.
    发明申请
    SYNTHESIS OF 4-AMINO-PYRIMIDINES SCAFFOLDS 有权
    合成4-氨基吡啶类化合物

    公开(公告)号:US20100016591A1

    公开(公告)日:2010-01-21

    申请号:US12522929

    申请日:2008-01-17

    IPC分类号: C07D239/42

    CPC分类号: C07D239/42

    摘要: Process for the manufacture of a compound of the structure (I) with R1=hydrogen, alkyl (C1-C10, linear, cyclic or branched, aliphatic or aromatic), NR′R″ (wherein R′ and R″ are independently selected from H, alkyl [C1-C10, linear, cyclic or branched, aliphatic or aromatic] and R2=CH2R3 wherein R3 is selected from NHR1′″ (with R′″=C(O)H, C(O)CH3, C(O)alkyl, CH2C6H2(OMe)3 or other saponifiable residues), alkyl (C1-C10, linear, cyclic or branched) aromatic residues, heteroaryl residues, substituted aryl residues, e.g. 3,4,5-trimethoxy-phenyl) wherein 1 equivalent of an α-formyl-propionitrile salt is reacted with 0.75 to 2 equivalents of an acetamidine salt in the presence of a Lewis acid.

    摘要翻译: 制备具有R 1 =氢,(C 1 -C 10,直链,环状或支链,脂族或芳族)烷基的结构(I)的化合物的方法,NR'R“(其中R'和R”独立地 选自H,烷基[C1-C10,直链,支链或支链,脂族或芳族]和R2 = CH2R3,其中R3选自NHR1“(其中R”'= C(O)H,C(O) CH3,C(O)烷基,CH2C6H2(OMe)3或其他可皂化残基),烷基(C1-C10,直链,环状或支链)芳族残基,杂芳基残基,取代的芳基,例如3,4,5-三甲氧基 - 苯基),其中1当量的α-甲酰基 - 丙腈盐与路易斯酸存在下的0.75至2当量的乙脒盐反应。

    ISOMERIZATION OF BETA-KETO-ALLENES
    10.
    发明申请
    ISOMERIZATION OF BETA-KETO-ALLENES 有权
    BETA-KETO-ALLENES的异构体

    公开(公告)号:US20130197272A1

    公开(公告)日:2013-08-01

    申请号:US13642047

    申请日:2011-04-18

    IPC分类号: C07C45/67

    摘要: Isomerization of β-keto-allenes of the general formula I wherein R1 is hydrogen, methyl or ethyl, in particular hydrogen or methyl; R2 is hydrogen or methyl; R3 is hydrogen or methyl, in particular methyl and R4 is an aliphatic hydrocarbon residue containing 1-37 carbon atoms, into corresponding α,γ-dienones of formula II by treatment with a basic ion exchange resin.

    摘要翻译: 其中R 1是氢,甲基或乙基,特别是氢或甲基的通式I的β-酮 - 双烯异构化; R2是氢或甲基; R3是氢或甲基,特别是甲基,R4是含有1-37个碳原子的脂族烃残基,通过用碱性离子交换树脂处理,转化为相应的式II的α,γ-二烯酮。