Detail of "1742-95-6"

Reference

Correction of: earlier abstract Azo dyes. Heckl, Leonhard; Liedek, Egon; Ruff, Wolfgang (BASF Farben und Fasern A.-G., Ger.). Ger. Offen. DE 2503732 5 Aug 1976, 9 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C09B039-00. APPLICATION: DE 75-2503732 30 Jan 1975. DOCUMENT TYPE: Patent CA Section: 40 (Dyes, Fluorescent Whitening Agents, and Photosensitizers) Azo pigment I [60435-69-0] was prepd. by coupling diazotized 4-aminonaphthalimide [1742-95-6] with 3-cyano-2,6-dihydroxy-4-methylpyridine (II) [5444-02-0] or by coupling diazotized 4-aminonaphthalic anhydride [6492-86-0] with II followed by treatment with NH3, and was used to color PVC [9002-86-2], inks, and coatings fast red shades. Correction of CAx.

Anion recognition and sensing in organic and aqueous media using luminescent and colorimetric sensors

All Rights Reserved. Anion recognition and sensing in organic and aqueous media using luminescent and colorimetric sensors. Gunnlaugsson, Thorfinnur; Glynn, Mark; Tocci, Gillian M.; Kruger, Paul E.; Pfeffer, Frederick M. (School of Chemistry, Centre for Synthesis and Chemical Biology, Trinity College Dublin, Dublin, Ire.). 1742-95-6 is the cas registry number. This chemical is also mentioned in this article. Coordination Chemistry Reviews, 250(23+24), 3094-3117 (English) 2006 Elsevier B.V. CODEN: CCHRAM. ISSN: 0010-8545. DOCUMENT TYPE: Journal; General Review CA Section: 9 (Biochemical Methods) A review. This review article focuses primarily on the work carried in the authors' labs. over the last few years using luminescent and colorimetric sensors, where the anion recognition occurs through hydrogen bonding in org. or aq. solvents. This review begins with the story of the discovery of fluorescent photoinduced electron transfer (PET) sensors for anions using charged neutral urea or thiourea receptors where both fluorescent and NMR spectroscopic methods monitored anion recognition. This work led to the development of dual luminescent and colorimetric anion sensors based on the use of the ICT based naphthalimide chromophore, where ions such as fluoride gave rise to changes in both the fluorescence and the absorption spectra of the sensors, but at different concns. Here, the former changes were due to hydrogen bonding interactions, whereas the latter was due to the deprotonation of acidic protons, giving rise to the formation of the bifluoride anion (HF2-). Modification of the 4-amino-1,8-naphthalimide moiety has facilitated the formation of colorimetric anion sensors that work both in org. or aq. solns. Such charge neutral receptor motifs have also been incorporated into org. scaffolds with norbomyl and calixarene backbones, which have enabled the authors to produce anion directed self-assembled structures. .