Stereoselective oxidation of thiacalix[4
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Pavel LhotΓ‘k; JiΕΔ±́ MorΓ‘vek; TomΓ‘Ε‘ Ε mejkal; Ivan Stibor; Jan SΓ½kora
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Article
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2003
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Elsevier Science
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French
β 242 KB
A series of alkyl substituted thiacalix [4]arene derivatives (being conformationally mobile or immobilised in the cone conformation) was used as the starting point for this study. It was demonstrated that the NaNO 3 /CF 3 COOH system can serve as an excellent oxidising agent. The oxidation of the br