1986
DOI: 10.1016/0016-2361(86)90301-7
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Sulphur heterocycles in coal-derived products

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Cited by 68 publications
(30 citation statements)
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“…Benzothiophene (BT) and dibenzothiophene are typical polycyclic aromatic sulfur hydrocarbons (PASHs) with basic structural element of PASHs in coal-derived liquids and crude oils (Nishioka et al, 1986). Many researchers have reported the toxic and mutagenic potential of PASHs (Eastmond et al, 1984;Karcher et al, 1981;Pelroy et al, 1983;McFall et al, 1984).…”
Section: Introductionmentioning
confidence: 99%
“…Benzothiophene (BT) and dibenzothiophene are typical polycyclic aromatic sulfur hydrocarbons (PASHs) with basic structural element of PASHs in coal-derived liquids and crude oils (Nishioka et al, 1986). Many researchers have reported the toxic and mutagenic potential of PASHs (Eastmond et al, 1984;Karcher et al, 1981;Pelroy et al, 1983;McFall et al, 1984).…”
Section: Introductionmentioning
confidence: 99%
“…The carrier gas was helium. Com pounds were identified according to their retention times by comparing the mass fragmentograms with mass spectra available in the NIST and WILEY librar ies and published data [11][12][13][14][15][16][17][18]. The amount of the components in the oils was determined from peak areas.…”
Section: Methodsmentioning
confidence: 99%
“…Praparativ wurden 4b und 6b-8b durch Um-* Korrespondenz bitte an diesen Autor richten. Wir kommen zu dem Ergebnis, dap anellierte Thiophene selektiv zu Sulfonen oxidiert werden konnen, wenn keine Bindungen zwischen Thiophen-C-und Methylen-C-Atomen vorhanden sind (2, 3,5,[9][10][11]. Bei Vorliegen von Bindungen zwischen Thiophen-C-und Methylen-C-Atomen (1, 4, 6-8) reicht dagegen die Selektivitat der Oxidation fur ein analytisches Verfahren nicht aus.…”
Section: Eine Moglichkeit Zur Analytischen Erfassung Von Anellierten unclassified