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Tetrasilyl-Substituted Cyclobutadiene Dianion Dilithium Salt: Synthesis and Structure.

✍ Scribed by A. Sekiguchi; T. Matsuo; M. Tanaka; H. Watanabe; M. Nakamoto


Publisher
John Wiley and Sons
Year
2004
Weight
7 KB
Volume
35
Category
Article
ISSN
0931-7597

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πŸ“œ SIMILAR VOLUMES


Azulene-Substituted Pyridines and Pyridi
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

Azulene-substituted pyridines and pyridi
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in ethanol 1) +AzH in CH 3 NO 2 2) AcONH 4 (a) (b) 4-Azulen-1-yl substituted 2,6-dimethyl-and 2,6-diphenyl-pyridines are obtained in good yields from the reaction of corresponding 4-azulen-1-yl-pyranylium salts and ammonium acetate in ethanol or starting from 4-chloro-2,6-diphenyl-pyranylium salts

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A highly symmetric structure is displayed in toluene by 1, which was obtained by reduction of octasilyl[4]radialene with lithium in THF. The two Li ions of 1 are not fixed to the Ο€-electron system in toluene, but are fluxional, giving rise to a bis-contact ion pair. In a solvating medium such as THF