Sughrue, Mion, Zinn Macpeak & Seas, PLLC
Phenylethanolaminotetralincarboxamide derivatives
 The present invention relates to a phenylethanolaminotetralincarboxamide derivative represented by the general formula: ##STR1## (wherein A represents a lower alkylene group; B represents an amino group, a di(lower alkyl)amino group or a 3 to 7-membered alicyclic amino group which may contain an oxygen atom in the ring; the carbon atom marked with * represents a carbon atom in (R) configuration, (S) configuration or a mixture thereof; and the carbon atom marked with (S) represents a carbon atom in (S) configuration) and a pharmaceutically acceptable salt thereof, which have a selective .beta..sub.2 -adrenergic receptor stimulating effect with relieved burdens on the heart such as tachycardia and are useful as an agent for the prevention of threatened abortion and premature labor, a bronchodilator, and an agent for pain remission and promoting stone removal in urolithiasis. 
Kissei Pharmaceutical Co., Ltd.
A A C A A C A C
A61P A61P C07C A61P A61P C07C A61P C07D
inventional inventional additional inventional inventional inventional inventional inventional
Ken Makio Nobuyuki Hiroaki Hideyuki Tetsuro Kosuke Masaru
Kikuchi Kitazawa Tanaka Kobayashi Muranaka Tamai Okazaki Saito