PROCESS FOR PREPARING [3-[(6-CHLORO-3-PYRIDINYL)METHYL]-2-THIAZOLIDINYLIDENE]CYANAMIDE
    11.
    发明申请
    PROCESS FOR PREPARING [3-[(6-CHLORO-3-PYRIDINYL)METHYL]-2-THIAZOLIDINYLIDENE]CYANAMIDE 审中-公开
    制备[3 - [(6-氯-3-吡啶基)甲基] -2-噻唑烷二酮]氰胺的方法

    公开(公告)号:US20150005502A1

    公开(公告)日:2015-01-01

    申请号:US14241538

    申请日:2012-08-27

    CPC classification number: C07D417/06 C07D417/04

    Abstract: Process for preparing [3-[(6-chloro-3-pyridinyl)methyl]-2-thiazolidinylidene]cyanamide, comprising the following steps: (i) reaction of dimethyl N-cyanocarbonimidodithiocarbonate and 2-aminoethanethiol or a salt thereof in the presence of a base; (ii) reaction of the reaction mixture with 5-chloromethyl-2-chloropyridine, which does not need any purification of the cyanimino-1,3-thiazolidine intermediate.

    Abstract translation: 制备[3 - [(6-氯-3-吡啶基)甲基] -2-噻唑烷亚基]氰胺的方法,包括以下步骤:(i)N-甲基-N-氰基亚氨基二硫代碳酸二甲酯和2-氨基乙硫醇或其盐的存在 的基地 (ii)反应混合物与5-氯甲基-2-氯吡啶的反应,其不需要任何纯化氰氨基-1,3-噻唑烷中间体。

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