Concepedia

13C NMR and IR analyses of structure, aging and botanical origin of Dominican and Mexican ambers

Alan Cunningham, Ian D. Gay, A. C. Oehlschlager, Jean H. Langenheim

Phytochemistry · 1983 · 71 citations · 14 references

DOI

Concepts

References

14

Proton-enhanced NMR of dilute spins in solids

Alexander Pines, M. G. Gibby, J. S. Waugh · The Journal of Chemical Physics · 1973 · 2.5K citations

, , +13

Selection of nonprotonated carbon resonances in solid-state nuclear magnetic resonance

Stanley J. Opella, M. H. Frey · Journal of the American Chemical Society · 1979 · 734 citations

, , +6

Amber: A Botanical Inquiry

Jean H. Langenheim · Science · 1969 · 275 citations

, , +4

<sup>13</sup>C‐NMR. Spectroscopy of Naturally Occurring Substances. XXXV. Labdanic diterpenes

Brian L. Buckwalter, Ivor R. Burfitt, A. Nagel et al. · Helvetica Chimica Acta · 1975 · 114 citations

, , +7

Carbon Functionalities in Amber

Joseph B. Lambert, James S. Frye · Science · 1982 · 76 citations

, , +11