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In chemistry a carbenoid is a reactive intermediate that shares reaction characteristics with a carbene . In the Simmons-Smith reaction the carbenoid intermediate is a zinc / iodine complex that takes the form of
Additional recommended knowledge
Carbenoids appear as intermediates in many other reactions. In one system a carbenoid chloroalkyllithium reagent is prepared in situ from a sulfoxide and t-BuLi which reacts by an insertion reaction into the C-B bond of a pinacol boronic ester .
The enantiopurity of the chiral sulfoxide is preserved in the ultimate product after oxidation of the boronic ester to the alcohol indicating that a true carbene was never involved in the sequence.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Carbenoid". A list of authors is available in Wikipedia.|