Gary at View from the Wing is reporting that American has opened up a lot of business class award space to Europe. While I am not seeing as much as him (probably because people are snatching it up) there is definitely space from October-April, 2017 on the following routes:
If space allows you should be able to add on American domestic flights to connect and also connections on British Airways/Finnair/Air Berlin for connections within Europe.
This won’t last long so head out and search. For more info see the VFTW post linked to above!