Glossary

Carbene

Neutral C with 6 valence electrons (two bonds, two non-bonding electrons). Singlet or triplet. From diazo compounds (Chs 18, 37).

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Organic Chemistry — Glossary

Related Terms

$E2$ (aldehyde): moderate deactivator. - (ester acyloxy): moderate activator. - (hydroxyl): strong activator. - (trifluoromethyl): strong deactivator. - . > - C3 (CH₂): 2 H + 2 C = -2 + 0 = 1,2 vs 1,4 1.

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