Cis vinylic coupling
= Cis vinylic coupling
<vicinal coupling> between <protons> on the same side of an alkene. A measured first-order splitting is an approximation if the spin system is appreciably strongly coupled.
= Cis vinylic coupling
<vicinal coupling> between <protons> on the same side of an alkene. A measured first-order splitting is an approximation if the spin system is appreciably strongly coupled.