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Updated: May 31, 2026
10:17
Efficient Construction of Drug-like Bispirocyclic Scaffolds Via Organocatalytic Cycloadditions of α-Imino γ-Lactones and Alkylidene Pyrazolones
Published on: February 7, 2019
7-Chloro-5-cyclo-propyl-9-methyl-5H-4,5,6,10-tetra-aza-dibenzo[a,d]cyclo-hepten-11(10H)-one
Summary
This study details the crystal structure of a Nevirapine derivative, revealing a unique butterfly shape due to twisted rings. Molecules form chains through hydrogen bonds, offering insights into drug design.
Area of Science:
- Crystallography
- Medicinal Chemistry
- Drug Discovery
Background:
- Nevirapine is a non-nucleoside reverse transcriptase inhibitor used to treat HIV/AIDS.
- Structural modifications of Nevirapine can lead to novel antiviral agents.
- Understanding the three-dimensional structure of drug derivatives is crucial for optimizing their efficacy.
Purpose of the Study:
- To elucidate the crystal structure of a novel chloro derivative of Nevirapine.
- To analyze the molecular conformation and intermolecular interactions of the compound.
- To provide a structural basis for the development of new Nevirapine-based therapeutics.
Main Methods:
- Single-crystal X-ray diffraction analysis was performed.
- The crystal structure was solved and refined.
- Intermolecular interactions, including hydrogen bonding and C-H⋯O interactions, were identified.
Main Results:
- The compound C(15)H(13)ClN(4)O, a Nevirapine derivative, was characterized.
- The diazepine ring adopted a twisted boat conformation.
- The molecule exhibited a butterfly shape with a dihedral angle of 58.44° between pyridine rings.
- Polymeric chains were formed via N-H⋯N hydrogen bonding.
- Weaker C-H⋯O interactions involved the carbonyl oxygen.
Conclusions:
- The unique butterfly conformation and hydrogen-bonded chains provide valuable structural information.
- This structural data can guide the design of new Nevirapine analogs with potentially improved pharmacological properties.
- Further research into structure-activity relationships is warranted.
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