Method for preparing cycloheptimidazoles
 A method for preparation of a cycloheptimidazole compound having formula (5), ##STR1## wherein: R.sub.4 is a lower alkyl group, comprising reacting a compound of formula (1), ##STR2## with an alkylamidine hydrochloride. 
Kotobuki Pharmaceutical Co Ltd
C A A C C C A C
C07C A61P A61P C07C C07C C07D A61P C07C
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Akira Tsuyoshi Akira Naoto
Ohno Tomiyama Tomiyama Ueyama