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
โฆ LIBER โฆ
N-amination of 2,6-di-tert-butylpyridine
โ 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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## Abstract Syntheses of 2,6โdiโ__t__โbutylpyridineโ3โ and โ4โsulphonic acids proving the structure of these compounds are described. They were carried out in order to confirm that during the sulphonation of 2,6โdiโ__t__โbutylpyridine at low temperature the sulphonic acid group enters the 3โpositio
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