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Experimental design-based quantitative structure-toxicity relationship of some local anaesthetics using the PLS
1Astra Research Centre AB, Södertälje, Sweden.
Journal of Applied Toxicology : JAT
|April 1, 1992
Summary
This study presents a quantitative structure-toxicology relationship for N-alkylsuccinimides, demonstrating good predictability for toxicity. Large N-alkyl groups and aromatic ring substitutions are linked to lower toxicity.
Area of Science:
- Toxicology
- Medicinal Chemistry
- Computational Chemistry
Background:
- Quantitative structure-activity relationships (QSAR) are crucial for predicting chemical toxicity.
- N-alkylsuccinimides represent a class of compounds with potential toxicological relevance.
Purpose of the Study:
- To develop a quantitative structure-toxicology (LD50) relationship for N-alkylsuccinimides.
- To identify structural features that correlate with reduced toxicity in this chemical class.
Main Methods:
- Utilized a small, carefully selected training set.
- Employed experimental design methodology for data selection.
- Developed a quantitative structure-toxicity model.
Main Results:
- Achieved good predictability with an overall r2 value of 0.75.
- Identified favorable structural factors for low toxicity: large N-alkyl groups, aromatic ring substitution, and a long inter-nitrogen side chain.
Conclusions:
- A reliable quantitative structure-toxicology model for N-alkylsuccinimides was established.
- Specific structural modifications can be used to design less toxic N-alkylsuccinimide derivatives.