A new route to 1,5-disubstituted 4-arylsulfonylpyrazoles by lithiation of 1-methyl-4-arylsulfonylpyrazoles

DOI: 10.1016/0040-4020(95)00540-O

Source and publish data:

Tetrahedron p. 9511 - 9518 (1995)

Update date:2022-08-05

Topics:: Authors:

Hoffmann, Michael G.

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Article abstract of DOI:10.1016/0040-4020(95)00540-O

The arylsulfonylvinamidinium salts 1 reacted with hydrazine in refluxing ethanol to give rise to 4-arylsulfonylpyrazoles 2 in reasonable yield. Regioselective lithiation of N-methylpyrazoles 3 with LDA followed by treatment with various electrophiles affo

Full text of DOI:10.1016/0040-4020(95)00540-O

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Article Doi

A new route to 1,5-disubstituted 4-arylsulfonylpyrazoles by lithiation of 1-methyl-4-arylsulfonylpyrazoles

DOI: 10.1016/0040-4020(95)00540-O

Source and publish data:

Authors:

Article abstract of DOI:10.1016/0040-4020(95)00540-O

Full text of DOI:10.1016/0040-4020(95)00540-O

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