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Updated: May 4, 2026

A Two-Step Protocol for Umpolung Functionalization of Ketones Via Enolonium Species
Published on: August 16, 2018
1-Allyl-3-benzyl-1H-benzimidazol-2(3H)-one
Youssef Kandri Rodi1, Amal Haoudi1, Frédéric Capet2
1Laboratoire de Chimie Organique Appliquée, Université Sidi Mohamed Ben Abdallah, Faculté des Sciences et Techniques, Route d'Immouzzer, BP 2202 Fès, Morocco.
Abstract:
In the title compound, C17H16N2O, the fused benzimidazol-2(3H)-one system is essentially planar, the largest deviation from the mean plane being 0.006 (2) Å for the carbonyl C atom. Its mean plane is almost perpendicular to the benzyl plane and to the allyl group, making dihedral angles of 80.6 (1) and 77.4 (3)°, respectively. The benzyl group and the allyl subsituent lie on opposite sides of the fused ring system. In the crystal, mol-ecules are linked by bifurcated C-H⋯O hydrogen bonds in which the carbonyl O atom acts as accepter to two aromatic C-H groups, forming a two-dimensional network parallel to (001).
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