Ortho Para Meta Chart

Ortho Para Meta Chart. Today we'll describe the two main patterns by which substituents "direct" electrophilic aromatic substitution. Electron-Donating Groups lower the activation energy for all positions on the benzene ring, but it lowers it more for the ortho and para positions than the meta position (see image below for EAS involving aniline).

Understanding Ortho, Para, and Meta Directors - Master Organic ... (Theresa Owen)

How did you guys memorize the ortho, para, meta activators/deactivators? For example, when aniline is chlorinated, the product so obtained is ortho and para. As a reminder, the ortho-, meta and para are the relative positions of the two groups in a disubstituted aromatic ring: Depending on the group (X) that is initially present on the benzene ring, the second substituent goes either to ortho/para or the meta position: The terms "Ortho" (o), "Meta" (m), and "Para" (p) refer to the positioning of an atomic group on a Benzene-type ring.

Today we'll describe the two main patterns by which substituents "direct" electrophilic aromatic substitution.

What are ortho/para and meta positions in benzene rings?

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The prefixes derive from Greek words meaning correct/straight, following/after, and similar, respectively. Right now I assume that the aldehyde is a meta director and a moderate deactivator. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Judul: Ortho Para Meta Chart
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Donald Gearhart

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