[Doing this] interests me greatly.
Does that help?
Were did you find that sentence? Do you have a link?
Edit:
I also see that you've asked practically the same question in another thread.
Do these sentences mean the same thing: -I desire to do this -Doing this is very interesting to me
www.usingenglish.com
In future, please do not do that!
Instead, please continue the discussion in the original thread.