| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a commercial method for producing a sulfite compound of high purity at a high yield, useful as an intermediate or a raw material for synthesizing an unprocessed pharmaceutical/agrochemical compound, an electronic material, or the like. <P>SOLUTION: The method of producing the sulfite compound of high purity by reacting an alcohol compound with a thionyl halide is characterized by adding an alcohol compound into a thionyl halide. Applications therefor are disclosed. According to the method, a sulfite compound of high purity wherein the content of an organic halogen compound is 1,000 ppm or lower, can be produced. <P>COPYRIGHT: (C)2010,JPO&INPIT |
