Many naturally occurring compounds of therapeutic importance contain the grouping alkyl- NCC-0 or alkyl-NCCC-0. Among these compounds are cocaine, quinine, strychnine, hydrastine, hyoscine, atropine and adrenaline. Also, many synthetic medicinals, as procaine, stovaine, alypine, apothesin, butyn and homatropine contain one of these groups. Since the linkages referred to above are prevalent in so many compounds of marked ...