申请人:TAIHO PHARMACEUTICAL COMPANY LIMITED
公开号:EP0117876A1
公开(公告)日:1984-09-12
Sulfonic ester derivatives represented by generalformu- la (I), wherein R, represents hydrogen, C1-4 alkyl or C-4 alkoxy, A represents (II), (wherein R2 and R3 each represent C1-4 alkyl) or (III), (wherein R4 and R5 each represent C1-4 alkyl, or they may be connected to each other to form C4-6 cycloalkyl together with the adjacent carbon atom), and represents an integer of 1 to 3, and a process for their preparation.
由通式la(I)代表的磺酸酯衍生物,其中R代表氢、C1-4烷基或C-4烷氧基,A代表(II),(其中R2和R3各自代表C1-4烷基)或(III),(其中R4和R5各自代表C1-4烷基,或它们可以相互连接,与相邻碳原子一起形成C4-6环烷基),并代表1至3的整数,及其制备方法。