About: Basicity of a Stable Carbene,1,3-Di-tert-butylimidazol-2-ylidene, in THF1

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Attributs	Valeurs
type	work Article
Is Part Of	http://hub.abes.fr/acs/periodical/jacsat/2002/volume_124/issue_20/w
Subject	Article
Title	Basicity of a Stable Carbene,1,3-Di-tert-butylimidazol-2-ylidene, in THF1
has manifestation of work	http://hub.abes.fr/acs/periodical/jacsat/2002/volume_124/issue_20/101021ja025628j/m/print http://hub.abes.fr/acs/periodical/jacsat/2002/volume_124/issue_20/101021ja025628j/m/web
related by	http://hub.abes.fr/acs/periodical/jacsat/2002/volume_124/issue_20/101021ja025628j/authorship/2 http://hub.abes.fr/acs/periodical/jacsat/2002/volume_124/issue_20/101021ja025628j/authorship/1
Author	Kim Yeong-Joon Streitwieser Andrew
Abstract	The basicity of 1,3-di-tert-butylimidazol-2-ylidene (1) was measured in THF against threehydrocarbon indicators. Both ion pairs and free ions were found and the corresponding equilibrium constantswere measured. Homoconjugation was not found in either THF or DMSO. The carbene is effectively morebasic in DMSO by several pK units, probably because of hydrogen bonding of 1-H+ to DMSO. Model abinitio computations are consistent with these results.
article type	research-article
is part of this journal	Journal of the American Chemical Society

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