申请人:TEIJIN LIMITED
公开号:EP1357108A1
公开(公告)日:2003-10-29
A process for production of an amidine derivative represented by the following Formula (II) [wherein, R represents a hydrogen atom, an unsubstituted or substituted phenyl group, an unsubstituted or substituted C1-C10 alkyl group, an unsubstituted or substituted C1-C10 alkoxy group, an unsubstituted or substituted C1-C10 alkoxycarbonyl group, or a hydroxyl group present at the ortho, meta, or para position] or a salt thereof, comprising the steps of reducing an amidoxime derivative represented by the following Formula (I) [wherein, R represents a hydrogen atom, an unsubstituted or substituted phenyl group, an unsubstituted or substituted C1-C10 alkyl group, an unsubstituted or substituted C1-C10 alkoxy group, an unsubstituted or substituted C1-C10 alkoxycarbonyl group, or a hydroxyl group present at the ortho, meta, or para position] with zinc in an acetic acid as a solvent.
一种生产下式(II)代表的脒衍生物[其中,R代表氢原子、未取代或取代的苯基、未取代或取代的C1-C10烷基、未取代或取代的C1-C10烷氧基、未取代或取代的C1-C10烷氧羰基或存在于正位、偏位或对位的羟基]或其盐的工艺、包括以下步骤:用锌在乙酸作为溶剂中还原下式(I)代表的脒肟衍生物[其中,R 代表氢原子、未取代或取代的苯基、未取代或取代的 C1-C10 烷基、未取代或取代的 C1-C10 烷氧基、未取代或取代的 C1-C10 烷氧羰基或存在于正位、偏位或对位点的羟基]。