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Reference.org
Imine
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<p>In <a href="/facts/Organic_chemistry/djxhxaNg">organic chemistry</a>, an imine is a <a href="/facts/Functional_group/GXkSPsjM">functional group</a> or <a href="/facts/Organic_compound/gqCNaN45">organic compound</a> containing a <a href="/facts/Carbon/ukrgQexo">carbon</a>–<a href="/facts/Nitrogen/Nf1QpGDz">nitrogen</a> <a href="/facts/Double_bond/qDemMn0c">double bond</a> (C=N). The nitrogen atom can be attached to a <a href="/facts/Hydrogen/BoYHjl0J">hydrogen</a> or an organic group (R). The carbon atom has two additional <a href="/facts/Single_bond/8qz02fEl">single bonds</a>. Imines are common in synthetic and naturally occurring compounds and they participate in many reactions. </p><p>Distinction is sometimes made between aldimines and ketimines, derived from aldehydes and ketones, respectively. </p>