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:
Total Correct