Substituted Ortho-Benzynes: Properties of the Triple Bond

Mitchell E Lahm1, Ryan K Maynard1, Justin M Turney1

  • 1Center for Computational Quantum Chemistry, University of Georgia, Athens, Georgia 30602, United States.

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Ortho–para directors are substituent groups attached to the benzene ring and direct the addition of an electrophile to the positions ortho or para to the substituent. All electron-donating groups are considered ortho–para directors. They donate electrons to the ring and make the ring more electron-rich. The ring is therefore susceptible to the addition of electrophiles. Substituents such as amino, hydroxy, or alkoxy, containing lone pairs on the atom adjacent to the ring, donate...
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