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Updated: Jun 1, 2026

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Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
(E)-Ethyl N'-(3,4-dimethoxy-benzyl-idene)hydrazinecarboxyl-ate monohydrate
Summary
This study reveals the nearly planar structure of a hydrazinecarboxylate compound. In its crystalline form, molecules and water form chains linked by hydrogen bonds.
Area of Science:
- Crystallography
- Chemical Physics
- Molecular Structure
Background:
- Hydrazinecarboxylate compounds are important in various chemical applications.
- Understanding the crystal structure of such compounds is crucial for predicting their properties.
- The specific compound C(12)H(16)N(2)O(4)·H(2)O has not been previously detailed in terms of its solid-state arrangement.
Purpose of the Study:
- To determine the precise molecular and crystal structure of C(12)H(16)N(2)O(4)·H(2)O.
- To investigate the intermolecular interactions within the crystal lattice.
- To elucidate the role of crystalline water in the compound's structure.
Main Methods:
- Single-crystal X-ray diffraction was employed to analyze the compound.
- The molecular geometry and bond parameters were precisely determined.
- Hydrogen bonding networks were identified and characterized.
Main Results:
- The molecular skeleton of the hydrazinecarboxylate moiety was found to be nearly planar, with a maximum deviation of 0.053(3) Å.
- Crystal structure analysis revealed chains propagating along the c axis.
- These chains consist of alternating hydrazinecarboxylate molecules and water molecules, interconnected by N-H⋯O and O-H⋯O hydrogen bonds.
Conclusions:
- The compound C(12)H(16)N(2)O(4)·H(2)O forms a well-defined hydrogen-bonded chain structure in the solid state.
- The planarity of the hydrazinecarboxylate unit is maintained within the crystal lattice.
- The identified hydrogen bonding interactions are key to the stability and organization of the crystal structure.
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