Selective inhibitors for protein kinases and pharmaceutical composition and use thereof

Abstract

The present invention provides a compound of formula (I) or the salt thereof: wherein R is at least one selected from the group consisting of unsubstituted C1-4 alkyl, C1-4 alkyl substituted by C6-18 aryl or —OR1, and —C(═O)Z. The compound is a type-S protein kinase inhibitor, which binds to an ATP-binding site and a substrate-recognition site of a protein kinase simultaneously. The present invention further provides a pharmaceutical composition, which includes a compound of formula (I) or a salt and a pharmaceutically acceptable carrier thereof. The present invention further provides a use of a compound of formula (I) or a salt thereof, which is for the manufacture of a protein kinase inhibitor as a drug.

Dependencies are inferred from the claim text.