A series of pyrazole-4-sulfonyl chlorides was obtained by a convenient 2-step method starting from synthetically available 2-(benzylthio)malonaldehyde. The method can be applied for the effective multi-gram synthesis of diverse pyrazole-containing sulfonyl chlorides which are mostly not available by other methods.
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| http://dx.doi.org/10.1007/s11030-015-9633-z | DOI Listing |
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