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Updated: May 27, 2026

Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
2,2-Diethyl 4-methyl 5-(4-nitro-phen-yl)-4-phenyl-pyrrolidine-2,2,4-tricarboxyl-ate
1College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, People's Republic of China.
Abstract:
The title compound, C(24)H(26)N(2)O(8), was synthesized by the cyclo-addition reaction of methyl 2-phenyl-acrylate, diethyl 2-amino-malonate and 4-nitro-benzaldehyde. The pyrrolidine ring exhibits an envelope conformation. The two benzene rings are located on opposite sides of the pyrrolidine ring and subtend a dihedral angle of 59.16 (14)°. The crystal packing is stabilized by N-H⋯O and weak C-H⋯O hydrogen bonding.
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