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Notiz zur Synthese von Alkyl-, Cycloalkyl- und Aryl-3-aminophenylsulfonen

✍ Scribed by Alfred Courtin

Publisher
John Wiley and Sons
Year
1981
Tongue
German
Weight
325 KB
Volume
64
Category
Article
ISSN
0018-019X

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✦ Synopsis

Syntheses of Some Alkyl, Cycloalkyl and Aryl 3‐Aminophenyl Sulfones

Syntheses of alkyl (1a–1i, 1m), cycloalkyl (1j, 1k) and aryl (1l) 3‐aminophenyl sulfones were achieved by ethanolic Béchamp‐reduction of the appropriate 3‐nitrophenyl sulfones (3a–3m). The alkyl (3a–3i) and cycloalkyl (3j, 3k) 3‐nitrophenyl sulfones were prepared via nitration of their respective sulfones (2a–2k). Methyl (3‐nitrophenyl) sulfone (3a) was also prepared by condensation of 3‐nitrobenzenesulfinic acid (4) with bromoacetic acid to 3‐nitrophenylsulfonyl‐acetic acid (5) followed by decarboxylation.

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