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3-hydroxyisoxazole-5-hydroxamic acid

J W Hines, C H Stammer

Journal of Medicinal Chemistry

|July 1, 1977

Summary

This summary is machine-generated.

Researchers synthesized 3-hydroxyisoxazole-5-hydroxamic acid using two methods. One intermediate, chlorofumarodihydroxamic acid, showed activity against lymphocytic leukemia.

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Area of Science:

Organic Chemistry
Medicinal Chemistry

Background:

The synthesis of heterocyclic compounds is crucial in medicinal chemistry.
Isoxazole derivatives are known for their diverse biological activities.

Purpose of the Study:

To describe two novel synthetic routes for 3-hydroxyisoxazole-5-hydroxamic acid.
To evaluate the biological activity of a key intermediate compound.

Main Methods:

Synthesis of 3-hydroxyisoxazole-5-hydroxamic acid via dimethyl acetylenedicarboxylate and hydroxylamine.
Synthesis of chlorofumarodihydroxamic acid from chlorofumaroyl dichloride and hydroxylamine.

Main Results:

The first method yielded 3-hydroxyisoxazole-5-carboxylic acid, not the target hydroxamic acid.

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The second method successfully produced chlorofumarodihydroxamic acid (6).

Compound 6 exhibited notable activity against P388 lymphocytic leukemia.

Conclusions:

Two distinct synthetic pathways for isoxazole derivatives were explored.
Chlorofumarodihydroxamic acid represents a potential lead compound for anticancer drug development.