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Updated: May 22, 2026

Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
(E)-Ethyl 2-cyano-3-(furan-2-yl)acrylate
This study details the crystal structure of C(10)H(9)NO(3), revealing two independent molecules. These molecules form specific hydrogen-bonded dimers in the crystal lattice, showcasing unique intermolecular interactions.
Area of Science:
- Crystallography
- Molecular structure analysis
- Organic chemistry
Background:
- Understanding molecular arrangements is crucial in chemistry.
- Crystal packing influences material properties.
- Intermolecular forces dictate solid-state structures.
Purpose of the Study:
- To elucidate the crystal structure of the title compound, C(10)H(9)NO(3).
- To analyze the molecular conformation and intermolecular interactions in the solid state.
Main Methods:
- Single-crystal X-ray diffraction was employed.
- Analysis of atomic positions and bond lengths.
- Identification of hydrogen bonding and other non-covalent interactions.
Main Results:
- Two independent molecules of C(10)H(9)NO(3) were identified in the asymmetric unit.
- Non-hydrogen atoms in both molecules exhibit near-planar geometry.
- Inversion dimers formed by C-H⋯O interactions link the molecules, creating R(2)(2)(10) ring motifs.
Conclusions:
- The crystal structure of C(10)H(9)NO(3) is characterized by specific molecular arrangements and intermolecular interactions.
- The observed hydrogen bonding pattern influences the overall crystal packing.
- This structural information contributes to the understanding of organic solid-state chemistry.
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Structure and Nomenclature of Ethers
Ethers are organic compounds with an ether functional group which is characterized by an oxygen atom connected to two — identical or different — alkyl, aryl, or vinyl groups. The C–O–C linkage in dimethyl ether — the simplest ether — has an approximately tetrahedral bond angle of 110.3 degrees. The oxygen atom is sp3- hybridized, with the C–O distance being about 140 pm.
Classification of Ethers
Based on their attached substituent groups, ethers can be classified into two...

