1. Cristina Marín Hernández Valencia, June 2014 Directors: Ramón Martínez Máñez Félix Sancenón Galarza

2. INTRODUCCIÓN ANTHRAQUINONES Pigments Fibers Paper Semiconductors Pigments Fibers Paper Semiconductors 1. Introduction Uses Properties Antiviral Antibacterial Antiparasitic Insecticidal Fungicidal Antimalarial Anticancer Antiviral Antibacterial Antiparasitic Insecticidal Fungicidal Antimalarial Anticancer Toxic Mutagenic Carcinogenic Toxic Mutagenic Carcinogenic Effects (high concentration) Effects (high concentration)

3. INTRODUCCIÓN 2. Experimental section and results ANTHAQUINONES 2a 2b 2c 2d

4. INTRODUCCIÓN 2.1 Optical response to Anions COLOUR CHANGES 2a 2b 2c 2d Figure 1. 2a-d products + 10eq of anions. 2 F - Cl - Br - I - OCN - BzO - ClO 4 - AcO - HSO 4 - H 2 PO 4 - CN -

5. INTRODUCCIÓN 2.1 Optical response to Anions Figure 2. UV–Vis titration of receptor 2b with fluoride. UV-VIS TITRATION 2b - F-F- H2F-H2F-

6. INTRODUCCIÓN 3. Conclusions Anthraquinone derivatives show a modulation of their deprotonation and coordination process abilities as a function of the chemical group attached. Distinctive chromo-fluorogenic behaviours in the presence of acetonitrile solutions are observed with anions. The F -, which is a very basic anion, induce a deprotonation process, whereas the AcO - and H 2 PO 4 - display a poorer ability.

7. INTRODUCCIÓN