HETEROCYCLIC COMPOUNDS, THEIR PRODUCTION AND USE IN TYROSINEKINASE INHIBITION

摘要

Heterocyclic compounds represented by general formula (I) wherein R stands for an optionally substituted aromatic heterocyclic group; X stands for oxygen atom, an optionally oxidated sulfur atom, -C(=O)- or -CH(OH)-; Y stands for CH or N; m denotes an integer of 0 to 10; n denotes an integer of 1 to 5; cyclic group -NB) stands for an optionally substituted aromatic azole group; and ring A is optionally further substituted, or salts thereof. The compound (I) possesses action of inhibiting tyrosine kinase and useful as antitumor agents.