Question
Summarize this spectrum ,Using proton NMR, how could you experimentally determine that you have the trans isomer rather than cis isomer? (Consider the use of
- Summarize this spectrum ,Using proton NMR, how could you experimentally determine that you have the trans isomer rather than cis isomer? (Consider the use of coupling constants for the vinyl hydrogen)
'H spectrum trans-3-nitrochalcone CHALCONE 1H/LAB 11-2/ CDC13 / 7-11-2016 5 8.45 8.35 8.25 8.15 8.04 8.02 8.05 f1 (ppm). 1-450- 7.95 7.85 7.75 7.65 7.55 -9E+06 F-8E+06 -7E+06 -6E+06 -SE+06 4E+06 -3E+06 -2E+06 -1E+06 -0 1E+06
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Organic Chemistry
Authors: Joseph M. Hornback
2nd Edition
9781133384847, 9780199270293, 534389511, 1133384846, 978-0534389512
