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ipso-Nitration of Arenes

✍ Scribed by G. K. Surya Prakash; Thomas Mathew


Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
262 KB
Volume
49
Category
Article
ISSN
0044-8249

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A direct nitration of the upper rim of thiacalix [4]arenes is not possible due to the undesirable oxidation of the sulphur atoms during the nitration step leading to very complicated reaction mixtures. On the other hand, thiacalix[4]arene derivatives can be at first transformed intentionally to the