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Updated: Jun 5, 2026

A Two-Step Protocol for Umpolung Functionalization of Ketones Via Enolonium Species
Published on: August 16, 2018
1,5-Bis(2-formyl-phen-oxy)-3-oxapenta-ne
Nívea C F Dionysio1, Jairo Bordinhão, Lorenzo do Canto Visentin
1Instituto de Química, Universidade Federal do Rio de Janeiro, Caixa Postal 68563, 21949-900 Rio de Janeiro, RJ, Brazil.
Abstract:
In the title mol-ecule, C(18)H(18)O(5), the two aromatic rings are connected by a flexible 3-oxapentane chain. The mol-ecule has a crystallographic twofold rotation axis (C(2)) passing through the central O atom. An intra-molecular C-H⋯O hydrogen bond is observed in the solid state.
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