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Premium Reinvestigation of the substituent effects of fluorine on the 1 H NMR chemical shifts of the adjacent methylene group in fluorinated [2.2]paracyclophanes
Author(s)
Ernst Ludger,
Ibrom Kerstin
Publication year1999
Publication title
magnetic resonance in chemistry
Resource typeJournals
PublisherJohn Wiley & Sons
Abstract Introduction of a fluorine substituent into an aromatic ring of [2.2]paracyclophane causes distinct shielding and deshielding effects at the anti ‐ and syn ‐protons, respectively, of the adjacent bridge methylene group. A recent contradictory claim in the literature was disproved by 2D H,H‐NOESY, long‐range H,H‐COSY and H,C‐HMBC experiments. Copyright © 1999 John Wiley & Sons, Ltd.
Subject(s)chemical shift , chemistry , crystallography , fluorine , fluorine 19 nmr , group (periodic table) , layer (electronics) , medicinal chemistry , methylene , methylene bridge , nuclear magnetic resonance spectroscopy , organic chemistry , ring (chemistry) , shielding effect , stereochemistry , substituent , two dimensional nuclear magnetic resonance spectroscopy
Language(s)English
SCImago Journal Rank0.483
H-Index72
eISSN1097-458X
pISSN0749-1581
DOI10.1002/(sici)1097-458x(199906)37:6<441::aid-mrc474>3.0.co;2-8

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