Misinterpretation of CC Bonding through Unusually Large  2  J   CC   Values—a Caveat for the Use of INADEQUATE‐ 13 C‐NMR Spectroscopy | Zendy

Bauer Hans | Zendy; Buddrus Joachim | Zendy; der Heide Wolfgang Auf | Zendy; Kimpenhaus Wolfgang | Zendy

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Misinterpretation of CC Bonding through Unusually Large 2 J CC Values—a Caveat for the Use of INADEQUATE‐ 13 C‐NMR Spectroscopy

Author(s) -

Bauer Hans,

Buddrus Joachim,

der Heide Wolfgang Auf,

Kimpenhaus Wolfgang

Publication year - 1985

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.198508541

Subject(s) - coupling constant , chemistry , nuclear magnetic resonance spectroscopy , crystallography , stereochemistry , physics , particle physics

The determination of the constitution of organic compounds via 13 C‐ 13 C couplings is a relatively new and useful method. Not every coupling constant greater than ca. 25 Hz, howerver, indicates the presence of a CC bond, as found in the case of chlorinated ketones, in particular, cyclobutenone derivatives such as 1 . For 1 , 2 J C ‐2, C ‐4 is 64.1 Hz!

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