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Updated: May 31, 2026

Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
Diethyl 4-[2-(4-meth-oxy-phen-yl)-1H-pyrazol-3-yl]-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxyl-ate
Abstract:
In the title compound, C(23)H(27)N(3)O(5), the pyrazole ring is inclined at dihedral angles of 38.16 (6) and 80.80 (6)°, respectively, to the least-squares planes of the benzene and dihydro-pyridine rings. In the crystal, adjacent mol-ecules are linked via a pair of N-H⋯N hydrogen bonds, forming an inversion dimer. The dimers are stacked in a column along the a axis through N-H⋯O hydrogen bonds. Intra- and inter-molecular C-H⋯N and C-H⋯O hydrogen bonds are also observed.
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