Circobiphenyl and the attempted synthesis of 1:14, 3:4, 7:8, 10:11-tetrabenzoperopyrene
作者： E. Clar , C.C. Mackay
DOI: 10.1016/0040-4020(72)88138-9
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摘要: … formulation with aromatic sextets. In all peropyrene derivatives there is an inherent sextet in … Thus the NMR spectrum of the bay protons proves the existence of an inherent sextet in the …
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