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N-amination of 2,6-di-tert-butylpyridine

โœ Scribed by Ryszard Gawinecki; Bernard Kanner


Publisher
Springer Vienna
Year
1994
Tongue
English
Weight
356 KB
Volume
125
Category
Article
ISSN
0026-9247

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๐Ÿ“œ SIMILAR VOLUMES


Synthesis of the isomeric sulphonic acid
โœ H.C. van der Plas; H.J. den Hertog ๐Ÿ“‚ Article ๐Ÿ“… 1960 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 214 KB

SOME time ago we have shown that the sulphonic acid obtained in the remarkable sulphonation of 2,6-di-tert.-butylpyridine (I) with sulphur trioxide in liquid sulphur dioxide at -10' according to Brown and Kanner -1 is not the b-derivative (III) as suggested by these investigators but the 34erivative

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## Abstract Syntheses of 2,6โ€diโ€__t__โ€butylpyridineโ€3โ€ and โˆ’4โ€sulphonic acids proving the structure of these compounds are described. They were carried out in order to confirm that during the sulphonation of 2,6โ€diโ€__t__โ€butylpyridine at low temperature the sulphonic acid group enters the 3โ€positio