释义 |
EncyclopediaSeecis-trans isomerismentgegen
ent·ge·gen (E), (ent'ge-gen), State in which the two higher-ranking groups attached to the different atoms in a double bond, usually a carbon-carbon double bond, are on opposite sides of the double bond (hence, analogous to trans-). Also occurs when those groups are on opposite sides of a ring structure. [Ger. opposite] ent·ge·gen (E) (ent'gā-gen) Term used when the two higher ranking groups, attached to different carbon atoms in a carbon-carbon double bond, are on opposite sides of the double bond (hence, analogous to trans-). [Ger. opposite]AcronymsSeeE |