NITROGENOUS FUSED HETEROCYCLE COMPOUNDS, PROCESS FOR THE PREPARATION THEREOF AND AGENTS CONTAINING THE SAME

摘要

Compounds represented by general formula (I) or salts thereof, which exhibit an excellent thermogenesis accelerating effect and are useful as preventive and therapeutic agents for obesity and diseases resulting therefrom, wherein A is a benzene ring which may be further substituted; -L- is -O-, -S- or the like; n is an integer of 0 to 6; R is hydrogen, optionally substituted hydrocarbyl, or the like; R<1> is optionally substituted hydrocarbyl or a group represented by general formula (i), wherein R<7> is optionally substituted hydrocarbyl); R<2> is hydrogen, acyl or the like; X is a free valency, O, S or the like; and k and m are each independently a number of 0 to 5, and satisfy the relationship: 1 < k + m < 5.