Oblon, Spivak, McClelland, Maier & Neustadt
Benzo[5,6]cyclohepta[1,2-B]pyridine derivatives and antiallergic agents comprising same
 Benzo[5,6]cyclohepta[1,2-b]pyridine derivatives of the following formula: ##STR1## wherein R.sup.1 represents a cyano, carbamoyl, alkylsulfoxy, alkylsulfonyl, tetrazolyl or sulfonic acid group, and R.sup.2 represents a hydrogen atom, a cyano, phenyl, aralkyl, alkoxycarbonylalkyl, aminoalkylcarbamoylalkyl or lower alkyl group, or a group ##STR2## or --X--R.sub.4, X being an oxygen or sulfur atom, R.sup.3 standing for a hydrogen atom or a substituted or unsubstituted lower alkyl, phenyl or aralkyl group, and R.sup.4 being a substituted or unsubstituted lower alkyl, phenyl or aralkyl group or an aminoalkyl group, and salts thereof. Antiallergic and antihistamic agents containing one of the above derivatives or salts as an active ingredient are also described. 
SS Pharmaceutical Co., Ltd.
A C A
A61P C07D A61P
inventional inventional inventional
Hiroyuki Kinichi Yoshikuni Yasushi Naokata Haruyoshi Susumu Tadayuki
Mizuno Mogi Ito Kaneko Taido Honda Sato Kuraishi