title: Approaches to vasodilating/beta-adrenergic blocking agents: examples of the dihydrolutidine type.
abstract: The aminohydroxypropoxy moiety has been incorporated into the dihydrolutidine class of vasodilators. In the spontaneously hypertensive rat, one of these, (S)-4-[2-methyl-4-[3-(tert-butylamino)-2-hydroxypropoxy]phenyl]-3,5-dicarboethoxy-1,4-dihydrolutidine (4c), exhibited antihypertensive activity on the order of the standard 4-[2-(trifluoromethyl)phenyl]-3,5-dicarboethoxy-1,4-dihydrolutidine (2a). This antihypertensive activity could not be explained in terms of a vasodilating effect, as determined in the dog. In this latter model, 2a decreased both mean arterial and hindlimb perfusion pressures.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000138:chemical synthesis*; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D004285:Dogs; D005260:Female; D008297:Male; D009543:Nifedipine / Q000031:analogs & derivatives / Q000138:chemical synthesis / Q000494:pharmacology; D011412:Propanolamines / Q000138:chemical synthesis* / Q000494:pharmacology; D014665:Vasodilator Agents / Q000138:chemical synthesis*
chemical_list: D000319:Adrenergic beta-Antagonists; D011412:Propanolamines; D014665:Vasodilator Agents; D009543:Nifedipine