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Proton and carbon-13 NMR of ginkgolides

✍ Scribed by C. Roumestand; B. Perly; D. Hosford; P. Braquet

Book ID
108371512
Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
415 KB
Volume
45
Category
Article
ISSN
0040-4020

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## Abstract Proton‐coupled ^13^C NMR spectra were obtained for three methyl‐substituted butadienes, namely 2‐methylbuta‐1,3‐diene, __trans__‐2‐methylpenta‐1,3‐diene and 2,4‐dimethylpenta‐1,3‐diene. The second‐order spectra were analysed by computer, using some new ^1^H NMR data, and the resulting c