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How to determine E vz Z olefin isomer when proton resonances orverlap?

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We have an olefin, R1-CH=CH-R2 where proton resonances overlap. Is there a way to determine olefin isomer - E (trans) vs...
Cleber Barreto 73 Jul 10 '10 at 08:07

How to determine the conformation of cis-cyclohexyl derivative by NMR?

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This cis-cyclohexyl derivative with two big substitutes (A and B) may has two conformational isomers, 1 and 2. How to ...
Evgeny Fadeev 5771 Apr 05 '10 at 12:36

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