Calix [6] arene derivatives selectively functionalized at alternate sites on the smaller rim with 2-phenylpyridine and 2-fluorenylpyridine substituents to provide deep …

X Zeng, AS Batsanov, MR Bryce

Index: Journal of Organic Chemistry, , vol. 71, # 26 p. 9589 - 9594

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Citation Number: 8

Abstract

... The Journal of Organic Chemistry. ... of the six tert-butyls [(δ 1.38, 27H, 0.83, 27H (both s))] and the separation of the anisole protons [(δ 7.27, 6H, 6.70, 6H (both s))] as well as the wide separation of the bridging methylene protons [(δ 4.63, 6H, 3.40, 6H (both d, J = 15.2 Hz))] 15 [cf ...