Literature survey revealed that a good number of anthracene and substituted anthracences are potential lasing organic compounds. As per Mitsuo Maeda 9,10 dimethyl and 9,10 diphenyl anthracenes exhibit lasing properties around, 435-450nm. In continuation of our studies27 it was proposed to synthesize new lasing organic dyes in particular, new anthracene derivatives and study their photophysical ...

Aloe vera (Av) is a very popular plant which has been used for alternative medicine. It has more than 360 types. Gel form of Av is mostly preferred [1]. Its chemical and therapeutic properties have been recently investigated [2]. Av contains anthraquinone, polysaccharide and carbohydrate. Anthraquinone is extracted from the plant before use [3]. Aloe barbadensis (Ab), one of the Av types, is th...

The formal intramolecular photoredox reaction initially discovered for the parent 2-(hydroxymethyl)anthraquinone (1) in aqueous solution has been extended to a variety of anthraquinones derivatives 6-13, to explore the generality of the reaction, and to investigate its potential utility as a photodeprotecting chromophore. In addition, the related diketone 14 was studied to investigate the need ...

Synthetic dyes are extensively used and rarely degraded. Microbial decomposition is a cost-effective alternative to chemical and physical degradation processes. In this study, the decomposition of simulated anthraquinone reactive dye (Reactive Blue 19; RB19) at a concentration of 400-mg/L in wastewater by a biofilm hydrolytic-aerobic recycling system was investigated over a range of recycling f...

The title complex, [Mn(2)(C(18)H(4)O(10))(H(2)O)(4)](n), was synthesized from manganese(II) chloride tetra-hydrate and 9,10-dioxo-9,10-dihydro-anthracene-1,4,5,8-tetra-carb-oxy-lic acid (H(4)AQTC) in water. The anthraquinone unit is located about a crystallographic center of inversion. Each asymmetric unit therefore contains one Mn(II) atom, two water ligands and one half AQTC(4-) anion. The Mn...