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beta phenethylamine/ariocarpus
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8 risultati
Cactus alkaloids. XXXI. beta-Phenethylamines and tetrahydroisoquinolines from the Mexican cactus dolichothele uberiformis.
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A total of ten alkaloids have been identified in extracts of a Mexican cactus, Dolichothele uberiformis (Zucc.) Br. and R. The data provide documentation for the presence of (--)-synephrine, (--)-longimammine, N-methyl-3,4-dimethoxy-beta-phenethylamine, N-methyl-4-methoxy-beta-phenethylamine,
Cactus alkaloids XLII: 3,4-dimethoxy-beta-phenethylamine and heliamine from the Mexican cereoid Backebergia militaris.
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Backebergia militaris (Andot) Bravo ex Sánchez Mejorada yielded alkaloid crystals from a fractionated ethanol extract of only 20 g of plant material. The alkaloid was identified as heliamine (6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline) hydrochloride. A second alkaloid,
Cactus alkaloids XXXIII: beta-phenethylamines from the Guatemalan cactus Pilosocereus maxonii.
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TLC analysis of extracts of Pilosocereus maxonii (Rose) Byles and Rowley detected six identifiable alkaloids. Preparative TLC aided in the crystallization of the hydrochlorides of N-methyl-3,4-dimethoxyphenethylamine, N-methyl-3-methoxytyramine, and N,N-dimethyl-3-methoxytyramine. Traces of
Cactus alkaloids. XXI. Beta-phenethylamines from Dolichothele sphaerica.
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Cactus alkaloids. 28. Phenolic beta-phenethylamines from Mammillaria elongata.
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Cactus alkaloids. 8. Isolation of N-methyl-3,4-dimethoxy-beta-phenethylamine from Ariocarpus fissuratus var. fissuratus.
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yote Alkaloids: Identification in the Mexican ictus Pelecyphora aselliformis Ehrenberg.
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Hordenine, anhalidine, pellotine, 3-demethyltrichocereine, mescaline, dimethoxy-beta-phenethylamine, and the N-monomethyl derivatives of mescaline d 3,4-dimethoxy-beta-phenethylamine have been isolated or identified, or both, in caloid extracts of a Mexican "peyote" cactus, Pelecyphora aselliformis
Identification of new cactus alkaloids in Backebergia militaris by tandem mass spectrometry.
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Tandem mass spectrometry, applied to simple extracts of Backebergia militaris, indicated the presence of a number of new alkaloids, including fully aromatic oxygenated isoquinolines, their di- and tetra-hydro analogs, and beta-phenethylamines. These conclusions were supported by separation using
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