PROPENONE DERIVATIVES

摘要

Propenone derivatives represented by general formula (I) or pharmacologically acceptable salts thereof: wherein R<1> represents substituted lower alkyl or YR<5> (where Y represents S or O and R<5> represents optionally substituted lower alkyl, optionally substituted aryl, optionally substituted aromatic heterocyclic group, or optionally substituted cyclic ether residue); R<2> and R<3> may be the same or different and each represents hydrogen, lower alkyl, or optionally substituted aralkyl, or R<2> and R<3> may be bonded to each other to thereby form optionally substituted methylene or ethylene; R<4> represents hydrogen, hydroxy, lower alkyl, optionally substituted aralkyl, lower alkoxy, optionally substituted aralkyloxy, or halogeno; and X represents optionally substituted indolyl.