Selective acetylation of porphyrins possessing a free pyrrolic position as a tool for petroporphyrin analysis. A reinvestigation

Friedel-Crafts acetylation of petroporphyrins is a useful method for discriminating between fully and partially alkylated macrocycles (pyrrolic positions). A reinvestigation of this reaction led to a better understanding of its course and to a optimization of the conditions, as a function of the com...

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Veröffentlicht in:	Energy & fuels 1990-11, Vol.4 (6), p.665-667
Hauptverfasser:	Jeandon, C, Bauder, C, Callot, H. J
Format:	Artikel
Sprache:	eng
Schlagworte:	02 PETROLEUM 023000 - Petroleum- Properties & Composition 04 OIL SHALES AND TAR SANDS 040500 - Oil Shales & Tar Sands- Properties & Composition 400201 - Chemical & Physicochemical Properties ACETYLATION ACYLATION Applied sciences CARBOXYLIC ACIDS CHEMICAL REACTION KINETICS CHEMICAL REACTIONS Crude oil, natural gas and petroleum products Earth sciences Earth, ocean, space Energy Exact sciences and technology FRIEDEL-CRAFTS REACTION Fuels Geology and geochemistry. Geological and geochemical prospecting. Petroliferous series HETEROCYCLIC ACIDS HETEROCYCLIC COMPOUNDS Hydrocarbons INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY KINETICS MAGNETIC RESONANCE NICKEL COMPOUNDS NUCLEAR MAGNETIC RESONANCE OPTIMIZATION ORGANIC ACIDS ORGANIC COMPOUNDS ORGANIC NITROGEN COMPOUNDS ORGANOMETALLIC COMPOUNDS PORPHYRINS Prospecting and exploration Prospecting and production of crude oil, natural gas, oil shales and tar sands REACTION KINETICS RESONANCE Sedimentary rocks SPECTROPHOTOMETRY TRANSITION ELEMENT COMPOUNDS VANADIUM COMPOUNDS
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Zusammenfassung:	Friedel-Crafts acetylation of petroporphyrins is a useful method for discriminating between fully and partially alkylated macrocycles (pyrrolic positions). A reinvestigation of this reaction led to a better understanding of its course and to a optimization of the conditions, as a function of the complexed metal (nickel or vanadium).
ISSN:	0887-0624 1520-5029
DOI:	10.1021/ef00024a009