Metallacycle

Structure of the platinacyclobutane complex PtC3H6(bipy) derived from activation of cyclopropane.[1]

In organometallic chemistry, a metallacycle is a derivative of a carbocyclic compound wherein a metal has replaced at least one carbon center;[2][3] this is to some extent similar to heterocycles. Metallacycles appear frequently as reactive intermediates in catalysis, e.g. olefin metathesis and alkyne trimerization. In organic synthesis, directed ortho metalation is widely used for the functionalization of arene rings via C-H activation. One main effect that metallic atom substitution on a cyclic carbon compound is distorting the geometry due to the large size of typical metals.

  1. ^ R. J. Klingler; J. C. Huffman; J. K. Kochi (1982). "Synthesis, structure, and electrochemistry of platinum(II) metallacyclobutanes". J. Am. Chem. Soc. 104 (8): 2147–2157. doi:10.1021/ja00372a010.
  2. ^ Elschenbroich, C. ”Organometallics” (2006) Wiley-VCH: Weinheim. ISBN 978-3-527-29390-2
  3. ^ Jolly, William L. (1989). Modern Inorganic Chemistry (third ed.). McCraw-Hill. ISBN 0-07-032760-2.