Computer-Assisted Determination of Minimum Energy Conformations. 5. Bis- 1-Methylpyridinium Compounds Containing 1,4-Diacetylbenzene Linkage Between the Pyridine Moieties: Relationships With Acetylcholinesterase Activity

Abstract

To achieve optimized geometries using the empirical Molecular Mechanics II computer program, conformational analyses were performed on three- dimensional representations of selected bispyridinium compounds having 1,4- diacetylbenzene linkage between the pyridine moieties. Three-dimensional atom Cartesian coordinates for the minimum energy conformations of the compounds are reported. Optimized geometries were also calculated for pyridostigmine, hexamethonium, octamethonium, and decamethonium. The resultant geometries were used to develop structure-activity relationships for AChE inhibition. The bispyridinium compounds, AChE inhibition is related to the interatomic distance between the bisquaternary nitrogens and/or the distance between specified atoms within an individual structure. BIS-1,4-diacetylbenzene pyridinium compounds, Molecular modeling, Acetylcholinesterase, Pyridostigmine, Structure-activity relationship.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1992
Accession Number
ADA257587

Entities

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  • Fu-lian Hsu
  • William P. Ashman

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  • Biomedical

DTIC Thesaurus Topics

  • Acetylcholinesterases
  • Ammonium Compounds
  • Cartesian Coordinates
  • Chemical Synthesis
  • Chemistry
  • Computational Chemistry
  • Computer Programs
  • Computers
  • Display Systems
  • Engineering
  • Enzyme Inhibitors
  • Geometry
  • Inhibition
  • Nitrogen
  • Nitrogen Compounds
  • Organic Chemistry
  • Three Dimensional

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  • Chemistry

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