The compound formed as a common part of the process of photosynthesis is glucose.

Here's why:

* Photosynthesis: The process where plants use sunlight, water, and carbon dioxide to create energy (in the form of glucose) and oxygen.

* Glucose: A simple sugar that serves as the primary energy source for plants and many other organisms.

Let me know if you'd like to explore more about the steps involved in photosynthesis!