LAUSR

We acknowledge the financial support from University of Minho, Fundacao para a Ciencia e a Tecnologia (FCT) and FEDER-COMPETE through Centro de Quimica (UID/QUI/00686/ 2013 and UID/QUI/0686/2016). The NMR spectrometer Bruker Avance III 400 is part of the National NMR Network (RNRMN) and was purchased within the framework of the National Program for Scientific Re-equipment, contract REDE/1517/RMN/ 2005 with funds from POCI 2010 (FEDER) and FCT. This work was also developed under the scope of the project NORTE-01- 0145-FEDER-000013, supported by the Northern Portugal Regional Operational Programme (NORTE 2020) under the Portugal Partnership Agreement, through the European Regional Development Fund (FEDER), and through the Competitiveness Factors Operational Programme (COMPETE) and by National funds, through FCT, under the scope of the project POCI-01- 0145-FEDER-007038. We also acknowledge the financial support by FCT through the postdoctoral grant awarded to Marta Costa (SFRH/BPD/79609/2011) and the PhD grant of Olivia Pontes (SFRH/BD/128850/2017).