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Convenient synthesis of novel 5-substituted 3-methylisoxazole-4-sulfonamides

✍ Scribed by Sergey I. Filimonov; Mikhail K. Korsakov; Mikhail V. Dorogov; Dmitry V. Kravchenko; Sergey E. Tkachenko; Alexandre V. Ivachtchenko

Publisher
Journal of Heterocyclic Chemistry
Year
2006
Tongue
English
Weight
508 KB
Volume
43
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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A number of novel sulfonamide derivatives of 5‐substituted‐3‐methylisoxazole were synthesized and characterized, starting from 3,5‐dimethylisoxazole. Key steps include the generation of 3,5‐dimethylisoxazole‐4‐sulfonamides followed by their reactions with N‐(dimethoxymethyl)‐N,N‐dimethylamine or various aromatic and heteroaromatic aldehydes. As a result, a series of novel aryl/heteroaryl‐ and aminovinylsubstituted derivatives of the isoxazole heterocycle were obtained. The scope and limitations of the developed approach are discussed.

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