Qatar funded the TNC, Transitional National Council, in 2012 after the obama intervention in Libya. (state dept vrtual reading room emails)
Qatar was working with Turkey to develop a natural gas pipeline 2012/2013 to connect to Europe. But to get agreements to build across Syria they needed to replace the Assad government. We know how that worked out. (articles posted on the Romania bread concerning Turvey and Levant pipelines)