Abstract
An effective method of 5,11,17,23-tetra-tert-butyl-25,26-dialkoxy-27,28-dihydroxy-calix[4]arenes and 25,26,27,28-tetraalkoxycalix[4]arenes synthesis by alkylation of tetrahydroxycalix[4]arenes in a DMSO-NaOH medium was developed.
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References
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Boyko, V.I., Podoprigorina, A.A., Yakovenko, A.V. et al. Alkylation of narrow rim calix[4]arenes in a DMSO-NaOH medium. J Incl Phenom Macrocycl Chem 50, 193–197 (2005). https://doi.org/10.1007/s10847-005-5240-4
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DOI: https://doi.org/10.1007/s10847-005-5240-4