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 |
|---|---|
| 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 |