CATALYSTS FOR BENZOXAZINE
    8.
    发明申请

    公开(公告)号:WO2022122882A1

    公开(公告)日:2022-06-16

    申请号:PCT/EP2021/084927

    申请日:2021-12-09

    Abstract: The invention relates to a process for producing a benzoxazine containing free aliphatic hydroxyl groups and monoester comprising the steps of: a) a reaction of a phenolic acid derivative with a monofunctional oligomer or molecule at a temperature of from 80°C to 200°C, during 12h-48h, in a presence of a Bronsted type acid catalyst, resulting in a monophenol terminated oligomer or molecule and b) reaction of the monophenol terminated oligomer or molecule of step a) with a mixture of an amino-alcohol, a primary amine derivative and paraformaldehyde at a temperature range of from 80°C to 100°C, from 1h to 48h, under stirring.

    菁类化合物、含菁类化合物的染料以及菁类化合物的应用

    公开(公告)号:WO2022099658A1

    公开(公告)日:2022-05-19

    申请号:PCT/CN2020/128838

    申请日:2020-11-13

    Abstract: 本发明公开了一种菁类化合物、含菁类化合物染料以及菁类化合物的应用。菁类化合物具有通式I的结构。其中,X选自由C(CH3)2、O、S和Se组成的组。R1和R2各自独立地选自由H、C1-C18烷基、苯基、OR6和卤素组成的组、R3和R4各自独立地选自由C1-C18烷基、C1-C18羧基、C1-C18羟基、C1-C18NR5R6、苄基和取代苄基组成的组,其中取代苄基的取代基选自由C1-C18烷基、CN、COOH、NH2、NO2、OH、SH、C1-C6烷氧基、C1-C6烷基氨基、C1-C6酰氨基、卤素和C1-C6卤代烷基组成的组。R5和R6各自独立地选自由H和C1-C18烷基组成的组。Y-为负离子。根据本发明的菁类化合物,具有良好的活细胞通透性,能够在不破坏细胞膜的情况进入细胞对核酸进行染色;且激发光为波长较小的蓝绿色光。

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