Isoprenoidamine compounds useful as antiulcer agents

A compound of the formula:

• ##STR212## wherein n is an integer of 1 to 6;
• R is a pyridyl group or a pyridyl group substituted by a member selected from the group consisting of C.sub.1 -C.sub.5 alkyl, phenylamino, halogenophenylamino, trifluoromethylphenylamino, C.sub.1 -C.sub.5 alkoxyphenylamino, C.sub.1 -C.sub.5 alkoxy, C.sub.2 -C.sub.6 alkoxycarbonyl, phenyl, pyridyl, halogenobenzoyl, halogenobenzyl, and 3,4-methyldioxyphenylmethyl;
• and
• X is sulfur or oxygen;
• or an acid addition salt thereof.