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...isher = Taylor & Francis|page = 498}}</ref> [[Organometallic]] ruthenium [[carbene]] and [[allenylidene]] complexes have recently been found as highly efficie

...imidazole, imidazoline-based compounds have been used as [[N-heterocyclic carbene]] ligands on various transition metals. It is found in the commercially ava

...bon number 2, leaving two vacant [[chemical bond]]s — which makes it a [[carbene]]. ...d are surprisingly stable, and form an important class of the [[persistent carbene]]s. They include the first stable carbenes obtained (but not isolated) by

...4</sub>²⁺ and is available commercially, catalyzes coupling and carbene transfer reactions.

...d ligands are of both scholarly and practical interest. [[Transition metal carbene complex]]es catalyze the [[olefin metathesis]] reaction. Metal oxo intermed

...is modeled as a [[three-center-bond]]ed orbital combination of methylene [[carbene]]s {{Citation needed|date=January 2009}}. [[Bent bond]]s also describe the ...ychloride]] gives the [[enamine]] 9 which continuous to react with another carbene and finally to the cyclopropane. Notes: Instead of chloride, titanium can a

...n a reaction known as the [[Reimer-Tiemann reaction]]. Alternatively the [[carbene]] can be trapped by an [[alkene]] to form a [[cyclopropane]] derivative. In