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Why chiral(-*C-)centre attached Ethylene(-CH2-)group splits into two separate protons(or)peaks ?

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About chiral centre ...
Posted: RAM 21 / Updated: Evgeny Fadeev 577●1 May 01 '10 at 17:48

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...
Posted: Evgeny Fadeev 577●1 / Updated: 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 ...
Posted: Jack 31 / Updated: Evgeny Fadeev 577●1 Apr 05 '10 at 12:36
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