10. Addition Reactions
Epoxide Reactions
39PRACTICE PROBLEM
Propose a mechanism for the following acid-catalyzed double cyclization. Hint: The mechanism looks like the cyclization of squalene oxide to lanosterol.
![](https://lightcat-files.s3.amazonaws.com/problem_images/f033630d72f53706-1714079619483.jpg)
Propose a mechanism for the following acid-catalyzed double cyclization. Hint: The mechanism looks like the cyclization of squalene oxide to lanosterol.