Search Results - "TRENDEL, J. M"
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Evidence from carbon isotope measurements for diverse origins of sedimentary hydrocarbons
Published in Nature (London) (18-01-1990)“…The organic matter found in sedimentary rocks must derive from many sources; not only from ancient primary producers but also from consumers and secondary…”
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2
Fossil bacterial ecosystem at methane seeps: Origin of organic matter from Be’eri sulfur deposit, Israel
Published in Geochimica et cosmochimica acta (01-12-2002)“…The Be’eri sulfur mine (Israel) is a unique deposit mainly composed of sandstone intercalated with biogenic mats and possessing organic matter exceptionally…”
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3
A ring-D functionalized nor-triterpenoid of the lupane series as a key intermediate in the formation of widespread hydrocarbon derivatives of higher plant origin in petroleum
Published in Organic geochemistry (01-01-2005)“…The nor-triterpenoid, 24-nor,28-lupanoic acid, methyl ester 1a, present as the acid in an African crude oil, was isolated and identified using NMR. This…”
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4
A novel series of benzohopanes widespread in sediments
Published in Organic geochemistry (1995)“…A novel series (C 31C 35) of benzohopanes cyclized at the C(16) position has been characterized by gas chromatography-mass spectrometry and NMR structural…”
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5
Novel Polycyclic Sulfides Derived from Regular Polyprenoids in Sediments: Characterization, Distribution, and Geochemical Significance
Published in Geochimica et cosmochimica acta (01-03-1998)“…A novel series of di- to pentacyclic polyprenoid sulfides ( 6, 7, 15, 16) which are structurally related to the recently identified highly cyclised regular…”
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6
An unusual aromatization process of higher plant triterpenes in sediments
Published in Organic geochemistry (01-03-1995)“…The NMR structural elucidation of D:B-friedo-3-methyl-24-noroleana-1,3,5(10)-triene (3-methyl-24-nor-friedela-1,3,5(10)-triene) isolated from the Messel shale…”
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7
New Hemiterpene Glycosides in Vitis vinifera Wine
Published in Journal of natural products (Washington, D.C.) (01-12-1997)“…Two new hemiterpene glycosides were isolated from a Vitis vinifera cv. Gewurztraminer wine and were identified by mass spectrometry and NMR spectroscopy as…”
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Isoarborinol through geological times: Evidence for its presence in the Permian and Triassic
Published in Organic geochemistry (1995)“…Optical rotation measurements and HPLC chiral separations using a β-cyclodextrin phase, performed on aromatic hydrocarbons isolated from diverse geological…”
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9
Petroporphyrins as biomarkers in oil-oil and oil-source rock correlations
Published in Energy & fuels (01-03-1993)Get full text
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10
Mixture of closely related isomeric triterpenoid derivatives: Separation and purification by reversed-phase high-performance liquid chromatography
Published in Chromatographia (01-09-1997)“…Twelve triterpenes were isolated from the alcoholic extract ofMentha villosa as their acetyl methyl ester derivatives. This vegetal specimen, which was…”
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Cyclic peroxides derived from the marine sponge Plakortis simplex
Published in Journal of natural products (Washington, D.C.) (01-05-2005)“…Two new cyclic peroxides, 2 and 3, were isolated from a sample of the Norwegian sponge Plakortis simplex. Their structures including relative stereochemistry…”
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12
Glycosides and Phenylpropanoid Glycerol in Vitis vinifera Cv. Gewurztraminer Wine
Published in Journal of agricultural and food chemistry (01-12-2000)“…Eight glycosides and a phenylpropanoid glycerol were isolated from Vitis vinifera cv. Gewurztraminer wine, and their structures were elucidated by MS and NMR…”
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13
Diagenesis of higher plant triterpenes in evaporitic sediments
Published in Geochimica et cosmochimica acta (01-11-1995)“…Several samples from a Tertiary carbonated evaporitic series (Sainte-Cécile, Camargue, France) were investigated. Their analysis revealed a high abundance of…”
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14
Mono- and diglycosides of ( E)-6,9-dihydroxymegastigma-4,7-dien-3-one in Vitis vinifera wine
Published in Phytochemistry (Oxford) (01-10-1996)“…Two β- d-glucopyranosides and two 6-O-β- d-apiofuranosyl -β- d-glucopyranosides of ( E)-6,9-dihydroxy-megastigma-4,7- dien-3-one were isolated from Vitis…”
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15
(-)-Verrucosan-2 beta -ol from the phototrophic bacterium Chloroflexus aurantiacus: First report of a verrucosane-type diterpenoid from a prokaryote
Published in Journal of general microbiology (01-01-1993)“…(-)-Verrucosan-2 beta -ol (C sub(20)H sub(34)O), a rare diterpene with a 3,6,6,5-tetracyclic ring system, has been isolated and identified for the first time…”
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16
Glycosides and Phenylpropanoid Glycerol in Vitis vinifera Cv. Gewurztraminer Wine
Published in Journal of agricultural and food chemistry (25-12-2000)“…Eight glycosides and a phenylpropanoid glycerol were isolated from Vitis vinifera cv. Gewurztraminer wine, and their structures were elucidated by MS and NMR…”
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(-)-Verrucosan-2{beta}-ol from the phototrophic bacterium Chloroflexus aurantiacus: first report of a verrucosane-type diterpenoid from a prokaryote
Published in Journal of general microbiology (01-11-1993)“…1 Institut für Biogeochemie und Meereschemie, Universität Hamburg, Bundesstraβe 55, 20146 Hamburg 13, Germany 2 ICBM und Fachbereich Biologie, Arbeitsgruppe…”
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18
Mono- and diglycosides of (E)-6,9-dihydroxymagastigma-4,7- dien-3-one in Vitis vinifera wine
Published in Phytochemistry (Oxford) (1996)Get full text
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19
Novel hopanoid derivatives released by oxidation of Messel shale kerogen
Published in Tetrahedron (21-04-1997)“…Oxidation of Messel shale kerogen using ruthenium tetroxide yielded several series of hopanoid triterpenes which have been identified by synthesis. These…”
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20
Petrophyrins as biomarkers in oil-oil and oil-source rock correlations
Published in Energy & fuels (1993)Get full text
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