Project title
Fundação para a Ciência e a Tecnologia, Portugal (Projects PEst-C/MAR/LA0015/2013, PTDC/QUI-QUI/111879/2009), co-funded by QREN-COMPETE-UE, and CCMAR for generous financial support. The Coimbra Chemistry Centre (CQC) is also supported by the FCT through the project Pest- OE/QUI/UI0313/2014. DJPG and AI acknowledge FCT for the award of doctoral grants (PRAXIS XXI/BD/19973/99 and SFRH/BD/90435/2012).