https://doi.org/10.1351/goldbook.C00783
Originally macrocyclic compounds capable of assuming a basket (or 'calix') shaped @C01258@. They are formed from p-@H02891@ @P04539@ and formaldehyde. The term now applies to a variety of derivatives by substitution of the hydrocarbon cyclo{@O04282@[(1,3-phenylene)@M03881@]}.
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