10. Addition Reactions - Part 3 of 4
10. Addition Reactions / Epoxide Reactions / Problem 5
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)
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