R and S Configurations
This page is an exercise is assigning R and S configurations. Its operation is
straightforward. When you click on "New Structure" a window with a Fischer projection
will open. The first time this window opens, it may obscure something you wish to
see. As with all such windows, it can be dragged to a new location. Once positioned, it will not move unless
you close it. Determine the classification of the structure and click on the
appropriate bubble. The results immediately appear in the table on the main window.
A running score is also kept. The projections follow the convention: