Assigning Priorities: Naming Compounds
All of the spatial orientations - cis, trans, E, Z, R, and S - should be used when naming a molecule. Knowledge of how to name basic molecules is assumed for the purposes of this tutorial.
When using spatial orientations in naming a molecule, the orientation should be written first.
Consider the 2-butene molecules below.
It was determined previously that the molecule on the left has a cis
orientation. Therefore, the complete name for this compound is cis
What is the complete name for the molecule on the right?
The molecule on the right has a trans
orientation. Therefore, the complete name for the compound on the right is trans
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