9-(Guanidinomethyl)-10-vinylanthracene: a suitable fluorescent monomer for MIPs
摘要:
9-(Guanidinomethyl)anthracene derivatives with a bromo (6) or a vinyl group (10) at the 10-position have been prepared starting from 9-bromoanthracene (1). They show 1:1 complexation with carboxylic acids or carboxylates with K-values of 1.2-1.4 x 10(5) M-1 in deuteriomethanol. Copolymerization of 9-vinylanthracene, 9-(guanidinomethyl)-10-vinylanthracene hydrochloride (10), and the 1:1 complex of 10 and ammonium benzoate with ethyleneglycol dimethacrylate (EDMA) gave the polymers in 77-92% yield. (C) 2001 Elsevier Science Ltd. All rights reserved.
9-(Guanidinomethyl)-10-vinylanthracene: a suitable fluorescent monomer for MIPs
摘要:
9-(Guanidinomethyl)anthracene derivatives with a bromo (6) or a vinyl group (10) at the 10-position have been prepared starting from 9-bromoanthracene (1). They show 1:1 complexation with carboxylic acids or carboxylates with K-values of 1.2-1.4 x 10(5) M-1 in deuteriomethanol. Copolymerization of 9-vinylanthracene, 9-(guanidinomethyl)-10-vinylanthracene hydrochloride (10), and the 1:1 complex of 10 and ammonium benzoate with ethyleneglycol dimethacrylate (EDMA) gave the polymers in 77-92% yield. (C) 2001 Elsevier Science Ltd. All rights reserved.
An optical sensor (1) for in-situ monitoring of chloride ion concentration in concrete structures, the sensor (1) comprising: a sensor body (3) that fluoresces when illuminated by light, the sensor body (3) being configured to exhibit a change in fluorescence when illuminated in the presence of chloride ions, and means (5) for optically coupling said sensor body to a source of illumination. A system (11) is also disclosed, along with methods of synthesising chloride sensitive polymerisable fluorescent dyes, and chloride sensitive polymerisable fluorescent dyes.