
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 This complex reacts with an alkene to form a cyclopropane just as a carbene would do. Carbenoids appear as intermediates in many other ...
Found on
http://en.wikipedia.org/wiki/Carbenoid

A carbene like chemical species but with properties and reactivity differing from the free carbene itself, e.g. R
1R
2C(Cl)M (M = metal)
Found on
http://www.chem.qmul.ac.uk/iupac/gtpoc/CaCl.html
No exact match found.