After drawing a reaction in ChemDraw for use with Combichem, when I return to ChemDraw, the reaction never displays. The cursor stays as an hourglass.
Make sure you have actually closed the ChemDraw window, as opposed to minimized it. Closing the ChemDraw window, should bring you back to Excel, and the reaction should be present. Minimizing ChemDraw will never update Excel with the reaction.