PROPIOPHENONE DERIVATIVE AND A PROCESS FOR PREPARING THE SAME

摘要

The present invention is directed to a propiophenone derivative of the formula [I]; [I] wherein X is O, S or methylene, OY is a protected or unprotected OH group, Z is .beta.-D-glucopyranosyl or 4-O-(.alpha.-D-glucopyranosyl)-.beta.-D-glucop yranosyl or wherein one or more hydroxy groups of these groups may optionally be acylated, and the dotted line means the presence or absence of a double bond, or a pharmaceutically acceptable salt thereof. The compounds of the present invention have excellent hypoglycemic activity and are useful in the prophylaxis or treatment of diabetes.