Woowrap is a Woocommerce extension that disables the default Woocommerce style and adds the bootstrap classes for responsiveness to the Woocommerce front-end.
To swap the sidebar and main content, just add the class "sidebar-swap" to the body.
Check out the GIT Repo:
https://github.com/Steve62/woowrap
PLEASE NOTE:
This plugin is intended for the use of WordPress developers to shorten the time used to develop woocommerce websites. Installing this plugin on a live site is NOT recommended!