| 摘要 |
Compounds represented by general formula (I) or salts thereof, a process for producing the same, and intermediates therefor, wherein R represents hydrogen or methyl; R<1> represents hydrogen, hologeno, hydroxy, benzyloxy, amino, or hydroxymethyl; R<2> represents hydrogen, hydroxymethyl, NHR<3>, SO2NR<4>R<4>, or nitro; R<6> represents hydrogen or lower alkyl; and X represents nitrogen, oxygen, sulfur, or methylene, provided that when X represents nitrogen, oxygen, or sulfur, then R<9> represents hydrogen, one of R<7> an R<8> represents hydrogen, and the other thereof represents hydrogen, amino, acetylamino, or hydroxy, and when X represents methylene, then R<7> and R<8> each represents hydrogen and R<9> represents hydrogen, amino, etc. They have a beta -3 adrenaline receptor agonist and are useful as drugs for the treatment and prevention of diabetes, obesity, hyperlipemia, etc. <CHEM>
|
