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L'acide hydroxylamine-O-sulfonique, réactif de choix pour la conversion d'aldéhydes en nitriles

✍ Scribed by Jacques Streith; Christian Fizet; Hans Fritz

Book ID
102251621
Publisher
John Wiley and Sons
Year
1976
Tongue
German
Weight
491 KB
Volume
59
Category
Article
ISSN
0018-019X

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✦ Synopsis

Hydroxylamine‐O‐sulfonic acid: a convenient reagent for the conversion of aldehydes into nitriles.

Hydroxylamine‐O‐sulfonic acid (HAS) proved to be an excellent reagent for the conversion of aliphatic, aromatic and heteroatomic aldehydes into nitriles. There, aldehydes in the form of suspension in HAS water solution, react rapidely to give the corresponding nitriles in high yield. Only with formylpyridines could the intermediate oxime‐O‐sulfonic acids be isolated.

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✍ R. Jaunin; J.-P. Godat 📂 Article 📅 1961 🏛 John Wiley and Sons 🌐 German ⚖ 261 KB

__d__,__l__‐1, 2‐Dianilino‐1,2‐diphenyl‐ethane reacts readily and specifically with aldehydes to form substituted __d__, __l__‐1,3,4,5‐tetraphenylimidazolidines, which are highly crystalline compounds with sharp melting points distributed over a wide range of temperature. The reaction has been used