Abstract
Long-range spin-spin coupling of ca. 0.5 Hz over four bonds between N-methyl and adjacent ring CH protons is observed for a wide variety of purines and pteridines. Factors which permit this coupling to be detected are discussed.
Original language | English |
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Pages (from-to) | 293-299 |
Number of pages | 7 |
Journal | Journal of Magnetic Resonance (1969) |
Volume | 23 |
Issue number | 2 |
DOIs | |
State | Published - Aug 1976 |