申请人:NIPPON SHOKUBAI CO., LTD.
公开号:EP0387028A2
公开(公告)日:1990-09-12
A method for the production of a 1,3-thiazolidin-2-one represented by the general formula II:
wherein R¹, R², R³, and R⁴ are independently hydrogen atom or a lower alkyl group, which method comprises causing a 1,3-thiazolidine represented by the general formula I:
wherein R¹, R², R³, R⁴, R⁵, and R⁶ are independently hydrogen atom or a lower alkyl group to react with urea.
一种生产由通式 II.A.代表的 1,3-噻唑烷-2-酮的方法
其中R¹、R²、R³和R⁴独立地为氢原子或低级烷基,该方法包括使通式I:
其中 R¹、R²、R³、R⁴、R⁵ 和 R⁶ 独立地为氢原子或低级烷基,该方法包括使通式 I 所代表的 1,3-噻唑烷与尿素反应。