1935
DOI: 10.1002/jlac.19355190125
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Studien in der Thiophenreihe. XXIX. Über das Flavophen

Abstract: Kompakte" Kohlenwasserstoffe sind in letzter Zeit mehrere hergestellt worden, als die kompaktesten das Coronen nnd L)ibenzocoronen*). Im Disnlfido-hetero-coerdian-thron8) liegt anch ein Schwefel im Ring enthaltender derartiger Vertreter vor.Ein ziemlich kompaktes Thiophenderivat miillte sich dnrch Wasserstoffentziehnng aus Thionessal (Tetraphenylthiophen) darstellen lassen, nnd zwar konnte uber das Zwischenprodnkt I oder I1 das Endprodukt III entstehen: I1 / i i -111 Tatsachlich gelingt es, beim Verbacken von … Show more

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Cited by 6 publications
(1 citation statement)
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“…Chalcogen-annulated perylenes have been less studied than their N -annulated counterparts. An early example of a sulfur-condensed perylenoid was provided by the synthesis of dibenzo­[5,6:7,8]­pentapheno­[13,14- bcd ]­thiophene 53.2 (Scheme ), first reported by Steinkopf in 1935 .…”
Section: Perylenoidsmentioning
confidence: 99%
“…Chalcogen-annulated perylenes have been less studied than their N -annulated counterparts. An early example of a sulfur-condensed perylenoid was provided by the synthesis of dibenzo­[5,6:7,8]­pentapheno­[13,14- bcd ]­thiophene 53.2 (Scheme ), first reported by Steinkopf in 1935 .…”
Section: Perylenoidsmentioning
confidence: 99%