p-tert-Butylcalix[6]arene symmetrically tetrasubstituted with pyridine pendant groups: synthesis, x-ray crystal structure, and conformational analysis by dynamic NMR spectroscopy and molecular mechanics calculations
1992 ◽
Vol 114
(20)
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pp. 7814-7821
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1991 ◽
Vol 56
(5)
◽
pp. 1731-1739
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1990 ◽
pp. 1121
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