7H-PYRROLO[2,3-D]PYRIMIDINE-4-THIOL DERIVATIVE USEFUL AS JAK-3 INHIBITOR

摘要

The present invention relates to a method for preparing a novel 7H-pyrrolo[2,3-d]pyrimidine-4-thiol derivative or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition containing the same as an active ingredient. The composition containing the novel 7H-pyrrolo[2,3-d]pyrimidine-4-thiol derivative according to the present invention can be useful for preventing or treating diseases caused by the overactivity of a Janus kinase (JAK).