PROCESS FOR THE PREPARATION OF PYRROLO[2,3-C]PYRIDINE DERIVATIVES OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

摘要

The present invention provides a method to prepare pyrrolo[2,3-c]pyridine derivatives or pharmaceutically acceptable salts thereof which have excellent proton pump suppressing effect, and can achieve a suppression of a reversible proton pump. The present invention also provides a novel intermediate useful in the preparation method and a method to prepare the same.