About: Synthesis of 1,2,3,4-Tetramethyl- and 1,2,3,4-Tetraethylfluorene through a Dewar Benzene Pathway

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About: Synthesis of 1,2,3,4-Tetramethyl- and 1,2,3,4-Tetraethylfluorene through a Dewar Benzene Pathway Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1002/ejoc.201201343
Description	A simple and selective synthesis of 1,2,3,4-tetra(m)ethylfluorenones and -fluorenes was achieved by using Dewar benzenes as important intermediates. The corresponding Dewar benzenes were prepared by reactions of tetraalkylcyclobutadiene-AlCl3 complexes with methyl phenylpropynoate. Their subsequent hydrolysis followed by photochemical re-arrangement provided substituted biphenylcarboxylic acids. Treatment of the prepared acids with thionyl chloride gave rise to the fluorenones, which were reduced to the respective fluorenes. A Ru complex with 1,2,3,4-tetraethylfluorenone was prepared. A simple and selective synthesis of 1,2,3,4-tetra(m)ethylfluorenones and -fluorenes was achieved by using Dewar benzenes as important intermediates. The corresponding Dewar benzenes were prepared by reactions of tetraalkylcyclobutadiene-AlCl3 complexes with methyl phenylpropynoate. Their subsequent hydrolysis followed by photochemical re-arrangement provided substituted biphenylcarboxylic acids. Treatment of the prepared acids with thionyl chloride gave rise to the fluorenones, which were reduced to the respective fluorenes. A Ru complex with 1,2,3,4-tetraethylfluorenone was prepared. (en)
Title	Synthesis of 1,2,3,4-Tetramethyl- and 1,2,3,4-Tetraethylfluorene through a Dewar Benzene Pathway Synthesis of 1,2,3,4-Tetramethyl- and 1,2,3,4-Tetraethylfluorene through a Dewar Benzene Pathway (en)
skos:prefLabel	Synthesis of 1,2,3,4-Tetramethyl- and 1,2,3,4-Tetraethylfluorene through a Dewar Benzene Pathway Synthesis of 1,2,3,4-Tetramethyl- and 1,2,3,4-Tetraethylfluorene through a Dewar Benzene Pathway (en)
skos:notation	RIV/00216208:11310/13:10134239!RIV14-MSM-11310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(LC06070), Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kotora, Martin Hybelbauerová, Simona Schulz, Jiří Císařová, Ivana Štěpnička, Petr Janková, Štěpánka
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	109562
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/13:10134239
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	fused-ring systems; reduction; rearrangement; fluorenes; Dewar benzenes (en)
http://linked.open.../riv/klicoveSlovo	fused-ring systems rearrangement Dewar benzenes fluorenes reduction
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[D9586C8FAD68]
http://linked.open...i/riv/nazevZdroje	European Journal of Organic Chemistry
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	The structure and synthetic applications of transition metal complexes
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	neuveden
http://linked.open...iv/tvurceVysledku	Císařová, Ivana Hybelbauerová, Simona Kotora, Martin Schulz, Jiří Štěpnička, Petr Janková, Štěpánka
http://linked.open...ain/vavai/riv/wos	000316189400006
http://linked.open...n/vavai/riv/zamer	Nové molekulární systémy pro pokročilé aplikace prospěšné pro zdraví a šetrné k životnímu prostředí
issn	1434-193X
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/ejoc.201201343
http://localhost/t...ganizacniJednotka	11310

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