7315-96-0Relevant academic research and scientific papers
Net-Clipping: An Approach to Deduce the Topology of Metal-Organic Frameworks Built with Zigzag Ligands
Ghasempour, Hosein,Guillerm, Vincent,Imaz, Inhar,Juanhuix, Judith,Maspoch, Daniel,Morsali, Ali,Ortín-Rubio, Borja
supporting information, p. 9135 - 9140 (2020/06/27)
Herein we propose a new approach for deducing the topology of metal-organic frameworks (MOFs) assembled from organic ligands of low symmetry, which we call net-clipping. It is based on the construction of nets by rational deconstruction of edge-transitive
METHOD AND APPARATUS FOR THE PURIFICATION OF HIGH-PURITY 2,6-NAPHTHALENE DICARBOXYLIC ACID
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Page/Page column 13-16, (2008/12/07)
Disclosed is a method for purifying 2,6-naphthalenedicarboxylic acid (NDA) that is present in a solid state in a solution. According to the method, sintered metal membrane filtration units are used to efficiently separate and purify 2,6-naphthalenedicarboxylic acid separated after hydrogenation and crystallization in a continuous process. An apparatus for implementing the method is further provided.
Highly selective and efficient conversion of alkyl aryl and alkyl cyclopropyl ketones to aromatic and cyclopropane carboxylic acids by aerobic catalytic oxidation: A free-radical redox chain mechanism
Minisci, Francesco,Recupero, Francesco,Fontana, Francesca,Bj?rsvik, Hans-Rene?,Liguori, Lucia
, p. 610 - 612 (2007/10/03)
An efficient and convenient method has been developed for the oxidation of aryl alkyl and cyclopropyl alkyl ketones to aromatic and cyclopropane carboxylic acids by molecular oxygen at atmospheric pressure, catalysed by Mn(NQ3)2 in combination with Co(NO3)2 or Cu(NO3)2. This simple, cheap and highly selective process has a general character for the synthesis of carboxylic acids and it is particularly suitable for industrial applications.
Molecular Recognition of Naphthalenedicarboxylic Acid Regioisomers by Cyclodextrins
Tan, Wei Hua,Niino, Noriaki,Ishikura, Takahiro,Maruta, Aya,Yamamoto, Tatsuyuki,Matsui, Yoshihisa
, p. 1285 - 1292 (2007/10/03)
Complexation of cyclodextrins (CD's) with some regioisomers of naphthalenedicarboxylic acid (NDC) was examined in 0.1 mol dm-3 NaHCO3 at 25°C by means of 1H NMR spectroscopy, together with the measurement of induced circular dichroism spectra of NDC's with the addition of CD's. The 1H NMR spectra of 2,6- and 2,7-NDC's showed characteristic AB-type patterns, which changed continuously with increasing CD concentration in accord with the Pople theory. The binding constants (Ka) for β-CD complexes with NDC's increased in the order of: 1,4-NDC ≈ 1,5-NDC a values.
The Zinc(II)-Catalyzed Henkel Reaction of Dipotassium 1,8-Naphthalenedicarboxylate in a Dispersion Medium
Fujishiro, Koichi,Mitamura, Shuichi
, p. 786 - 790 (2007/10/02)
The Henkel reaction of dipotassium 1,8-naphthalenedicarboxylate in naphthalene as a dispersion medium gave dipotassium 2,6-naphthalenedicarboxylate (1) in a higher yield and with a better reproducibility than the reaction without a dispersion medium.Catalysts, particularly zinc catalysts, were examined in detail.The anion moiety of zinc catalysts affected the reaction, and the halide anion was effective for the selective formation of 1.The addition of potassium halide to the zinc catalysts also increased the yield of 1.The catalytic activity of the halide anion increased in the order: Cl---.The activity of the zinc catalysts was also compared with that of cadmium catalysts.
