Synthesis and in vitro LTD4 antagonist activity of bicyclic and monocyclic cyclopentylurethane and cyclopentylacetamide N-arylsulfonyl amides
The dissociation constants (K(B)) at the LTD4 receptor on guinea pig trachea of a series of monocyclic and bicyclic cyclopentylurathane and cyclopentylacetamide N-arylsulfonyl amides have been measured. The K(B) was found to be remarkably toler