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13 C 13 C spin coupling constants in phenanthrene derivatives
Author(s) -
Berger Stefan,
Zeller Klaus Peter
Publication year - 1978
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270110608
Subject(s) - coupling constant , phenanthrene , spin (aerodynamics) , coupling (piping) , chemistry , computational chemistry , constant (computer programming) , crystallography , materials science , physics , organic chemistry , thermodynamics , quantum mechanics , computer science , metallurgy , programming language
The synthesis of six 1‐X‐ (X = OH, OCH 3 , OCOCH 3 , CH 3 , CHO and CN) phenanthrene derivatives with a 13 C label at C‐1 is described. An analysis of the 13 C 13 C spin coupling constants shows the importance of π‐interaction for the coupling constant transmission. Small 13 C 13 C spin coupling constants over 6 bonds are reported.