GLC analysis of loxapine, amoxapine, and their metabolites in serum and urine. 1979

T B Cooper, and R G Kelly

A GLC analysis is presented for loxapine, amoxapine, and their major metabolites in serum and urine. Electron-capture detection is employed for serum analysis, and flame ionization is used for urine analysis. The procedure includes trifluoroacetylation of secondary amine functions, followed by trimethylsilylation of phenolic groups after ethyl acetate extraction of the sample. Urine requires prior enzymatic hydrolysis of conjugates. Data indicating the utility of the procedure in hospitalized patients and normal volunteers are presented.

UI MeSH Term Description Entries
D008152 Loxapine An antipsychotic agent used in SCHIZOPHRENIA. Loxapinsuccinate,Oxilapine,2-Chloro-11-(4-methyl-1-piperazinyl)-dibenz(b,f)(1,4)oxazepine,CL-71,563,Cloxazepine,Loxapine Hydrochloride,Loxapine Monohydrochloride,Loxapine Succinate,Loxipine Maleate,Loxipine Succinate,Loxitane,CL 71,563,CL71,563,Hydrochloride, Loxapine,Maleate, Loxipine,Succinate, Loxapine
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D002849 Chromatography, Gas Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography
D003989 Dibenzoxazepines
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006900 Hydroxylation Placing of a hydroxyl group on a compound in a position where one did not exist before. (Stedman, 26th ed) Hydroxylations
D000657 Amoxapine The N-demethylated derivative of the antipsychotic agent LOXAPINE that works by blocking the reuptake of norepinephrine, serotonin, or both; it also blocks dopamine receptors. Amoxapine is used for the treatment of depression. 2-Chloro-11-(1-piperazinyl)dibenz(b,f)(1,4)oxazepine,Asendin,Asendis,CL-67,772,Demolox,Desmethylloxapine,Défanyl,CL 67,772,CL67,772

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