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Synthesis of ‘Large’ Calixarenes
S. P. Bew*, S. V. Sharma
University of East Anglia, Norwich, UK
24 April 2007 (online)
A tin-mediated procedure to synthesize calix- and arenes preferentially over the commonly made calix- and arenes is reported: calix- and arene are synthesized in 23% and 55% isolated yield, respectively, whereas smaller calix[n]arenes (n = 4-7) are made in 6.5% total yield.