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Updated: Jun 5, 2026

Microwave-assisted Intramolecular Dehydrogenative Diels-Alder Reactions for the Synthesis of Functionalized Naphthalenes/Solvatochromic Dyes
Published on: April 1, 2013
4-Nitro-phenyl naphthalene-1-sulfonate
This study details the crystal structure of a C(16)H(11)NO(5)S compound. It reveals specific dihedral angles between its naphthalene, benzene rings, and nitro group, along with observed weak intermolecular interactions.
Area of Science:
- Crystallography
- Organic Chemistry
- Molecular Structure
Background:
- Understanding molecular geometry is crucial for predicting chemical properties.
- Naphthalene and benzene derivatives are common scaffolds in medicinal chemistry and materials science.
- Sulfur-containing organic compounds exhibit diverse applications.
Purpose of the Study:
- To elucidate the three-dimensional molecular structure of the title compound, C(16)H(11)NO(5)S.
- To quantify the spatial arrangement of the naphthalene and benzene ring systems.
- To investigate the orientation of the nitro group and identify weak intermolecular forces.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the crystal structure.
- Analysis of bond lengths, bond angles, and dihedral angles provided geometric insights.
- Non-covalent interaction analysis was performed to identify C-H⋯O interactions.
Main Results:
- The crystal structure of C(16)H(11)NO(5)S was successfully determined.
- A significant dihedral angle of 63.39° was measured between the naphthalene and benzene ring planes.
- The nitro group exhibited a dihedral angle of 10.73° with the benzene ring, and weak C-H⋯O interactions were identified.
Conclusions:
- The determined crystal structure provides precise geometric data for C(16)H(11)NO(5)S.
- The observed dihedral angles indicate a non-planar conformation of the molecule.
- The presence of weak C-H⋯O interactions suggests potential roles in crystal packing and intermolecular recognition.
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