Method for preparing 1,3,5-triaminobenzene and hydrolyzing it into high-purity phloroglucinal
    2.
    发明授权
    Method for preparing 1,3,5-triaminobenzene and hydrolyzing it into high-purity phloroglucinal 有权
    制备1,3,5-三氨基苯并将其水解成高纯度离体液体的方法

    公开(公告)号:US07217840B2

    公开(公告)日:2007-05-15

    申请号:US10517716

    申请日:2003-06-06

    IPC分类号: C07C209/10 C07C37/05

    摘要: The invention concerns a method for method for preparing 1,3,5-triaminobenzene, characterized in that it comprises a step which consists in amination of a compound of formula (I), wherein: A represents a halogen atom or a NH2 group; X1 and X2, identical or different, represent each a halogen atom, the amination step being carried out in the presence of ammonia and a catalyst selected from the group consisting of copper salts, cupric and cuprous oxides or mixtures thereof at a temperature ranging between 150° C. and 250° C. and at a pressure higher that 35 bars

    摘要翻译: 本发明涉及一种制备1,3,5-三氨基苯的方法,其特征在于它包括一个步骤,该步骤由式(I)化合物胺化而成,其中:A代表卤原子或NH 2 组; X 1和X 2相同或不同,表示各自的卤素原子,胺化步骤在氨存在下进行,并且催化剂选自: 铜盐,铜和氧化亚铜或其混合物,温度范围为150℃至250℃,压力高于35巴

    METHODS FOR SYNTHESIS OF PSORALEN DERIVATIVES
    3.
    发明申请
    METHODS FOR SYNTHESIS OF PSORALEN DERIVATIVES 有权
    合成PSORALEN衍生物的方法

    公开(公告)号:US20150266845A1

    公开(公告)日:2015-09-24

    申请号:US14660514

    申请日:2015-03-17

    IPC分类号: C07D311/16 C07D493/04

    CPC分类号: C07D311/16 C07D493/04

    摘要: Methods for the synthesis of psoralen derivatives are provided. In one embodiment, the method may include acetylating a compound of formula (II) to form a compound of formula (III), subjecting the compound of formula (III) to a Fries rearrangement to form a compound of formula (IV), and subjecting the compound of formula (IV) to cyclization, reduction and aromatization, to form a compound having the following formula (I):

    摘要翻译: 提供了补骨脂素衍生物的合成方法。 在一个实施方案中,该方法可以包括将式(II)化合物乙酰化以形成式(III)化合物,使式(III)化合物进行弗里斯重排以形成式(IV)化合物, 式(Ⅳ)化合物进行环化,还原和芳构化,形成具有下式(I)的化合物: