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Position specificity of 13 C 31 P coupling constants for methyl substituents in phospholes and 2—Phospholenes
Author(s) -
Quin L. D.,
Borleske S. G.,
Stocks R. C.
Publication year - 1973
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.1270050312
Subject(s) - substituent , coupling constant , chemistry , coupling (piping) , position (finance) , stereochemistry , crystallography , physics , materials science , quantum mechanics , finance , economics , metallurgy
The 13 C— 31 P coupling constant is much larger for a 2‐methyl substituent (about 20 Hz) than for a 3‐methyl substituent (about 5 Hz) in phospholes and 2‐phospholenes, and appears useful for assigning structures in these compounds.