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- W2044429079 abstract "Die Friedel-Crafts-Alkylierung von Biphenyl mit tert-Butylchlorid in Schwefelkohlenstoff liefert bei Verwendung von AICI3 als Katalysator nur 9 von theoretisch 209 möglichen tert-Butylderivaten, nämlich 3- und 4-tert-Butylbiphenyl, 3,5-, 3,3′-, 3,4′- und 4,4′-Di-tert-butylbiphenyl, 3,3′,5- und 3,4′,5-Tri-tert-butylbiphenyl sowie 3,3′,5,5′-Tetra-tert-butylbiphenyl. Diese wurden gaschromatographisch getrennt und ihre Strukturen durch unabhängige Synthesen in Kombination mit GC-MS-Untersuchungen gesichert. Fünf von ihnen waren noch nicht bekannt. tert-Butylation of Biphenyl; Determination of the Structure of Reaction Products by Means of Independent Syntheses The Friedel-Crafts alkylation of biphenyl with tert-butyl chloride in carbon disulfide using aluminium trichloride as catalyst leads to the formation of only 9 of the 209 theoretically possible tert-butylbiphenyls, namely 3- and 4-tert-butylbiphenyl, 3,5-, 3,3′-, 3,4′- and 4,4′-di-tert-butyl-biphenyl, 3,3′,5-, and 3,4′,5-tri-tert-butylbiphenyl as well as 3,3′,5,5′-tetra-tert-butylbiphenyl. These have been separated by gas chromatography and identified by means of independently synthesized compounds in combination with GC-MS determinations. Five of these compounds have been prepared for the first time." @default.
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- W2044429079 date "1980-12-23" @default.
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- W2044429079 title "tert-Butylierung von Biphenyl; Strukturermittlung der Reaktionsprodukte durch unabhängige Synthesen" @default.
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- W2044429079 doi "https://doi.org/10.1002/jlac.198019801211" @default.
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