The present invention comprises the substituted
2-aminoalkylthiobenzimidazoles of formula I wherein R1-R5 and R11-R16
are hereinafter defined. These compounds, their derivatives and the
pharmaceutically acceptable salts thereof are useful in the reduction of
elevated blood sugar levels and are therefore useful in the treatment of
hyperglycemia, diabetes, atherosclerosis and other blood sugar disorders.
These compounds are particularly suitable in the treatment of type-2
diabetes.