DERIVATIVE OF 2-AMINOBENZENESULFONIC ACID AND 2-AMINOBENZENESULFONYL CHLORIDE, ITS PRODUCTION METHOD, AND ITS USE AS SYNTHETIC INTERMEDIATE

摘要

PROBLEM TO BE SOLVED: To provide derivatives of 2-aminobenzenesulfonic acid and 2-aminobenzenesulfonyl chloride useful as an intermediate in the synthesis of a compound having antithrombotic activity.;SOLUTION: The derivative is a free compound represented by formula (1), or a compound in the form of a salt with an alkali metal or tertiary amine.;COPYRIGHT: (C)2008,JPO&INPIT