About: Three-Step Synthesis of End-SubstitutedPentacenes

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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/acs/periodical/joceah/2007/volume_72/issue_25/w
Subject	Note
Title	Three-Step Synthesis of End-SubstitutedPentacenes
has manifestation of work	http://hub.abes.fr/acs/periodical/joceah/2007/volume_72/issue_25/101021jo7017284/m/print http://hub.abes.fr/acs/periodical/joceah/2007/volume_72/issue_25/101021jo7017284/m/web
related by	http://hub.abes.fr/acs/periodical/joceah/2007/volume_72/issue_25/101021jo7017284/authorship/1 http://hub.abes.fr/acs/periodical/joceah/2007/volume_72/issue_25/101021jo7017284/authorship/2
Author	Anderson Harry L. Stone Matthew T.
Abstract	A concise, three-step synthesis of 1,4,8,11-substituted 2,3,9,10-tetrakis(methoxycarbonyl)pentacenes from commerciallyavailable 1,2,4,5-tetrakis(bromomethyl)benzene was established. Efficient alkynylation, followed by formation of fourfused rings via a zirconacyclopentadiene intermediate, andthen oxidation with DDQ gave pentacenes 1a−c. The processwas compatible with methyl, phenyl, and trimethylsilylsubstituents, which have good solubility in various organicsolvents.
article type	brief-report
is part of this journal	The Journal of Organic Chemistry

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