User`s guide

Advanced Structures
ACD/ChemSketch User’s Guide 28
Note You can choose whether the background bond should be broken or not by selecting
or clearing the Enable bonds intersections check box in the Structure tab of the
Preferences dialog box (Options menu).
You can change the position of intersecting bonds by applying the Bring Bond to
Front or Send Bond to Back commands (Options menu) to the selected bond.
You can also bring the background bond to the front by clicking on it with the
Change Position tool active while holding down the SHIFT key.
Try to draw the following structures on your own using the above technique
Bicyclo[2.2.1]heptane
Bicyclo[4.2.1]nonane
5.3.2 Creating the Structure of Triptycene
 This section is based on the movie triptyc.exe which can be downloaded from our web
site or found in the Movies folder.
Switch to the mode and delete any previously drawn structures by pressing Ctrl + A
and Del.
1. Draw the structure of bicyclo[2.2.2]octane as described above or use the corresponding
template from the Template Window
(the tab).
2. From the Table of Radicals
choose Benzene .
3. Position the cursor over the bond a and click to attach the benzene ring to this bond:
4. Repeat steps 2--3 for bonds b and c to obtain the following structure: