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Updated: May 30, 2026

Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
(2E)-3-(1,3-Diphenyl-1H-pyrazol-4-yl)-1-phenyl-prop-2-en-1-one
Abstract:
In the title compound, C(24)H(18)N(2)O, the pyrazole ring is essentially planar [maximum deviation = 0.004 (1) Å] and makes dihedral angles of 18.07 (4), 48.60 (4) and 9.13 (5)° with the phenyl rings. In the crystal, adjacent mol-ecules are connected via inter-molecular C-H⋯O hydrogen bonds, forming dimers. Furthermore, the crystal structure is stabilized by weak C-H⋯π and π-π inter-actions, with centroid-centroid distances of 3.6808 (5) Å.
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