hp 1 capillary column (Hewlett-Packard)
86
Structured Review
Hewlett-Packard
hp 1 capillary column
Hp 1 Capillary Column, supplied by Hewlett-Packard, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/hp+1+capillary+column/1+30+capillary+column+hewlett+hp+m+packard/pmc12985679-222-6-21
Average 86 stars, based on 1 article reviews
Hp 1 Capillary Column, supplied by Hewlett-Packard, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/hp+1+capillary+column/1+30+capillary+column+hewlett+hp+m+packard/pmc12985679-222-6-21
Average 86 stars, based on 1 article reviews
hp 1 capillary column - by Bioz Stars,
2026-10
86/100 stars
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Chromatography:Article Title: 1-Methyl-3-pyrrolines and 2-methylisoindolines: new classes of cyclic tertiary amine monoamine oxidase B substrates. Article Snippet: Both 1-methyl-3-pyrrolines and 2-methylisoindolines are substrates for MAO-B with Vmax/Km values ranging from 200 to 2000minÿ1mMÿ1 at 37 C. These compounds represent new classes of cyclic tertiary amine substrates for this ̄avoenzyme.. The only other known cyclic amines that are MAO-B substrates are 1,4-disubstituted 1,2,3,6-tetrahydropyridinyl derivatives.. The presence of an allylic (benzylic) amino functionality in all of these compounds may be linked to their substrate properties since related piperidinyl and pyrrolidinyl analogs are stable in the presence of MAO-B. Mass Spectrometry:Article Title: 1-Methyl-3-pyrrolines and 2-methylisoindolines: new classes of cyclic tertiary amine monoamine oxidase B substrates. Article Snippet: Both 1-methyl-3-pyrrolines and 2-methylisoindolines are substrates for MAO-B with Vmax/Km values ranging from 200 to 2000minÿ1mMÿ1 at 37 C. These compounds represent new classes of cyclic tertiary amine substrates for this ̄avoenzyme.. The only other known cyclic amines that are MAO-B substrates are 1,4-disubstituted 1,2,3,6-tetrahydropyridinyl derivatives.. The presence of an allylic (benzylic) amino functionality in all of these compounds may be linked to their substrate properties since related piperidinyl and pyrrolidinyl analogs are stable in the presence of MAO-B. other:Article Title: Iron(II) and Manganese(II) Complexes with N4Py as Dioxygen Activators for α-Pinene Oxidation in Acetonitrile Article Snippet: A gas chromatograph equipped with an HP-1 capillary column (cross-linked methyl silicone rubber phase, 30 m × 0.53 mm internal diameter), Article Title: Speciation of organotin in environmental sediment samples. Article Snippet: An optimized sample preparation procedure for organotin speciation in sediment samples has been applied to the analysis of sediments collected in the environment.. The method is based on tropolone complexation of the ionic organotins, followed by extraction into a hexane–ethylacetate mixture and derivatization by NaBEt4.. The method was applied to the determination of organotin in various harbour, shipyard and dry-dock sediments in Belgium. Article Title: Selective Reduction and Dehydrogenation of 6-Benzylideneoctahydropyrrolo[1,2-a]Pyrimidines and 5-Benzylidenehexahydropyrrolo[1,2-a]Imidazoles as New Approaches to N-(ω-Aminoalkyl)Pyrrolidines and Bicyclic Amidines Article Snippet: Previously we have reported that treatment of 1-alkynyl-1-chlorocyclopropanes with lithium derivatives of 1,2-diaminoethane and 1,3-diaminopropane afforded hitherto unknown promising bicyclic ene aminals 1, viz., 5-benzylidenehexahydropyrrolo[1,2-a]imidazoles and 6-benzylideneoctahydropyrrolo[1,2-a]pyrimidines1,2 containing highly reactive 2-methylidenepyrrolidine and bicyclic aminal moieties with a common nitrogen atom.. 2-Alkylidenepyrrolidines are most liable to catalytic3–7 and ionic8 hydrogenation, reduction on treatment with sodium borohydrides,3,9,10 bromine addition followed by ring expansion11 as well as cyclization involving additional functional groups12 and cycloaddition to activated acetylenes.13 The bicyclic systems of hexahydropyrrolo [1,2-a]imidazole and octahydropyrrolo[1,2-a]pyrimidine can undergo alkylation at the nitrogen atom,14,15 selective reduction with cleavage of one C–N bond,16–23 oxidation to the corresponding amidines,24 as well as hydrolysis on treatment with strong mineral acids.16 It could be expected that compounds 1 obtained would have reactivity characteristic of both 2-benzylidenepyrrolidines and bicyclic aminals and thus would undergo reactions involving both retention and transformation of the bicyclic system.. This communication deals with studies on reduction of these com pounds with complex metal hydrides and reactions that occur on contact with Pd catalysts in the presence and in the absence of dihydrogen. |