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Kinetically Stabilized [4]Paracyclophane—The 1, 4‐Bis‐(dicyanomethylene)‐2‐ene Derivative: 1 H NMR Measurement and Assessment of Its Diatropicity
Author(s) -
Okuyama Masahiro,
Tsuji Takashi
Publication year - 1997
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199710851
Subject(s) - benzene , ring (chemistry) , ene reaction , chemistry , derivative (finance) , molecule , proton nmr , stereochemistry , organic chemistry , financial economics , economics
The benzene ring is nonplanar but sustains significant aromatic ring current in [4]paracyclophane 1 . The strained skeleton of this molecule was kineticaly stabilized by substituents, which permitted the measurement of the 1 H NMR spectrum of a [4]paracyclophane for the first time.