Reactions of 2,3-diferrocenylcyclopropenone with methyllithium and phenyllithium

Klimova, Elena I.; Klimova, T. P.; Ortega, Simón Hernández; Rabell, Marı́ana Esquivelzeta; Ramirez, L. Ruiz; García, Maribel Osorio

doi:10.1016/j.jorganchem.2004.03.045

Cited by 5 publications

(1 citation statement)

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“…The results obtained in the present study demonstrate that the nucleophilic attack by the conjugated base is mainly directed on C‐2 of the cation 1 to give intermediate 1,3‐diferrocenyl‐1‐cyclopropene 14 (see Scheme ) 14–16. This undergoes spontaneous opening of the three‐membered ring to yield vinylcarbene 15 .…”

Section: Resultssupporting

confidence: 56%

Functional Group Migration in Reactions of 1,2‐Diferrocenyl‐3‐(methylthio)cyclopropenylium Iodide with CH Acids

Klimova¹,

Martínez‐García²,

Berestneva³

et al. 2006

Eur J Org Chem

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1,2‐Diferrocenyl‐3‐(methylthio)cyclopropenylium iodide reacts with malonic acid derivatives (diethyl malonate and malononitrile as the active methylene compounds) to give mainly the corresponding 3,4‐diferrocenyl‐2‐(methylthio)hexa‐2,4‐dienedioic acid and 2,3‐diferrocenyl‐4‐(methylthio)buta‐1,3‐diene‐1,1‐dicarboxylic acid derivatives as well as ethyl 2,3‐diferrocenyl‐4‐(methylthio)‐5‐oxocyclo‐1,3‐pentadiene‐1‐carboxylate or 2‐cyano‐3,4‐diferrocenyl‐5‐(methylthio)‐2,4‐cyclopentadien‐1‐imine. X‐ray diffraction data for diethyl (2Z,4E)‐3,4‐diferrocenyl‐2‐(methylthio)hexa‐2,4‐dienedioate and 2,3‐diferrocenyl‐4‐(methylthio)buta‐1,3‐diene‐1,1‐dicarbonitrile are presented. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)

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Section: Resultssupporting

confidence: 56%