Aggregation of antiacetylcholme drugs in aqueous solution: micellar properties of some diphenylmethane derivatives

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Abstract
Light scattering methods have been used to examine the aggregation in aqueous solution of a series of antiacetylcholine drugs based on the diphenylmethane nucleus. The drugs investigated included adiphenine hydrochloride, piperidolate hydrochloride, benztropine mesylate, orphenadrine hydrochloride, chlorphenoxamine hydrochloride, lachesine hydrochloride, poldine methylsulphate, pipenzolate bromide, clidinium bromide, benzilonium bromide and ambutonium bromide. A micellar pattern of association was established for all compounds and critical micellar concentrations and aggregation numbers have been determined.