Intensive NMR study of 1‐t‐butyl‐3‐methyl‐2,4‐bis(2,4,6‐tri‐t‐butylphenyl)‐1,3‐diphosphacyclobutane‐2,4‐diyl

Masaaki Yoshifuji, Stefan T Osborn,Anthony J Arduengo,Kenneth A Belmore,Shigekazu Ito

HETEROATOM CHEMISTRY（2011）

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摘要

Detailed (1)H-, (13)C-, and (31)P NMR studies of 1-t-butyl-3-methyl-2,4-bis(2,4,6-tri-t-butylphenyl)-1, 3 - diphosphacyclobutane - 2, 4 - diyl reveal several unusual coupling constants together with recognition of the diastereotopicity of the compound. These new data support an uncommon phosphorus-containing molecular structure for the ring system. (C) 2011 Wiley Periodicals, Inc. Heteroatom Chem 22:331-338, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/hc.20684

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