Aromatization
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Aromatization is a chemical reaction. Aromatization converts non-aromatic molecule into aromatic molecule.
Some reactions convert two or three molecules to aromatic ring. Alkyne trimerization describes the [2+2+2] cyclization of three alkynes, in the Dötz reaction an alkyne, carbon monoxide and a chromium carbene complex are the reactants.Diels–Alder reactions of alkynes with pyrone or cyclopentadienone with expulsion of carbon dioxide or carbon monoxide also form arene compounds. In Bergman cyclization the reactants are an enyne plus a hydrogen donor.
1,3-Dipolar cycloaddition converts a 1,3-dipole and a dipolarophile to a five-membered aromatic ring.
Some reaction converts a chain structure to a new aromatic ring. Ruthenium Catalyzes aromatization of enediynes.[1]
Non aromatic ring can be aromatize to an aromatic ring. This type of aromatization is commonly employed to dehydrogenate or hydrogenate organic compounds. Aromatase is an enzyme which converts some enones with a six membered ring to aromatic ring.
See also
References
- ^ Arjan Odedra; Chang-Jung Wu; Taduri Bhanu Pratap; Chun-Wei Huang; Ying-Fen Ran; Rai-Shung Liu (2005). "Ruthenium-Catalyzed Aromatization of Enediynes via Highly Regioselective Nucleophilic Additions on a π-Alkyne Functionality. A Useful Method for the Synthesis of Functionalized Benzene Derivatives". Journal of the American Chemical Society. 127 (10). American Chemical Society: 3406–3412. doi:10.1021/ja043047j.
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