PROCESS FOR THE PREPARATION OF AMINOTHIADIAZOLYLACETYL HALIDE DERIVATIVES
摘要
<p>A process is provided for the preparation of an aminothiadiazolylacetyl halide derivative represented by the following formula (II): (II) wherein R1 represents a lower alkyl, cycloalkyl or halogenated lower alkyl group; and R2 represents an amino-protecting group or a hydrogen atom, or a salt thereof, which process uses as the starting material a compound represented by the following formula (I): (I) wherein R1 and R2 have the same meanings as defined above, or a salt thereof.</p>
