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179693-85-7

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179693-85-7 Usage

Synthesis Reference(s)

Journal of Medicinal Chemistry, 44, p. 1396, 2001 DOI: 10.1021/jm000107x

Check Digit Verification of cas no

The CAS Registry Mumber 179693-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,6,9 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 179693-85:
(8*1)+(7*7)+(6*9)+(5*6)+(4*9)+(3*3)+(2*8)+(1*5)=207
207 % 10 = 7
So 179693-85-7 is a valid CAS Registry Number.

179693-85-7Relevant academic research and scientific papers

Formation of one-dimensional helical columns and excimerlike excited states by racemic quinoxaline-fused [7]carbohelicenes in the crystal

Sakai, Hayato,Shinto, Sho,Araki, Yasuyuki,Wada, Takehiko,Sakanoue, Tomo,Takenobu, Taishi,Hasobe, Taku

, p. 10099 - 10109 (2014)

A series of quinoxaline-fused [7]carbohelicenes (HeQu derivatives) was designed and synthesized to evaluate their structural and photophysical properties in the crystal state. The quinoxaline units were expected to enhance the light-emitting properties an

A 3D Anionic Metal Covalent Organic Framework with soc Topology Built from an Octahedral TiIV Complex for Photocatalytic Reactions

Chen, Chuan-Jie,Gu, Zhi-Guo,Han, Wang-Kang,Lu, Hui-Shu,Niu, Tengfei,Yan, Xiaodong

supporting information, p. 17881 - 17886 (2021/07/16)

The construction of three-dimensional (3D) covalent organic frameworks (COFs) remains challenging due to the limited types of organic building blocks. With octahedral TiIV complex as the building unit, this study reports on the first 3D anionic

Sulfonated 2D Covalent Organic Frameworks for Efficient Proton Conduction

Yang, Zongfan,Chen, Pei,Hao, Wenjing,Xie, Zhen,Feng, Yu,Xing, Guolong,Chen, Long

supporting information, p. 3817 - 3822 (2021/01/15)

Open 1D channels found in covalent organic frameworks are unique and promising to serve as pathways for proton conduction; how to develop high-rate yet stable transporting systems remains a substantial challenge. Herein, this work reports a strategy for e

Exceptional dual fluorescent, excited-state intramolecular proton-transfer (ESIPT) columnar liquid crystals characterized by J-stacking and large Stokes shifts

Kanakala, Madhu Babu,Yelamaggad, Channabasaveshwar V.

, (2021/03/19)

Excited-State Intramolecular Proton-Transfer (ESIPT) fluorophores are emerging as promising future materials for electronic and biotechnological applications. ESIPT columnar (Col) liquid crystals (LCs) have been especially projected as the apt materials for advanced technological endeavors. But, there are hardly any explorations in this direction and thus, needing immediate attention. Herein we report on the synthesis, characterization, and ESIPT activity of a homologous series of novel phasmidic bis(N-salicylideneaniline) Col LCs. Optical microscopic, calorimetric and powder X-ray diffraction (XRD) studies evidence the occurrence of hexagonal columnar (Colh) phase having p6mm symmetry where the constituent slices result from the self-assembly of a pair of mesogens in a side-by-side manner facilitated by intense longitudinal π-π interactions. X-ray data confirm the absence of both directionally correlated tilting of the slices and transverse core-core interactions within the columns. Fluorescence probing clearly evidence the ESIPT occurring not only in DCM solution of the mesogens but also in their three-condensed states viz., solid, liquid crystal, and isotropic liquid phase; in general, two archetypal emission bands at ~430 nm (weak) and ~ 630 nm (strong) with large Stokes shifts (250–275 nm) of ESIPT phenomenon have been observed. The slow shift of emission maxima of the ESIPT fluorescence as a function of decreasing temperature without photoluminescence quenching coupled with the estimated tilt angle (?) of the slices normal to the columnar axis (37 to 42o), from the XRD data, confirm the formation of so-called Scheibe or J-aggregates. The redox activity, metal ion sensing ability, and solvatochromism of the mesogens have also been investigated. The study suggests that these ESIPT Col LCs with band-gap of about 3 eV can be regarded as wide-bandgap semiconducting materials having the electronic characteristics falling between those of conventional semiconductors and insulators.

A heteropore covalent organic framework for adsorptive removal of Cd(II) from aqueous solutions with high efficiency

Liu, Na,Shi, Liangfeng,Han, Xianghao,Qi, Qiao-Yan,Wu, Zong-Quan,Zhao, Xin

supporting information, p. 386 - 390 (2019/07/23)

A heteropore covalent organic framework (COF) integrating tetraphenylethene skeleton and catechol segment is designed and synthesized. It exhibits extremely high stability in water under different pH conditions, which makes it an excellent material for adsorptive removal of Cd(II) from aqueous solutions with very fast adsorption kinetics, high uptake capacity, and good recyclability.

Alternating Copolymerization of CO2and Cyclohexene Oxide Catalyzed by Cobalt-Lanthanide Mixed Multinuclear Complexes

Asaba, Hiroki,Deng, Jingyuan,Hatazawa, Masahiro,Iwasaki, Takanori,Mashima, Kazushi,Nagae, Haruki,Nozaki, Kyoko

supporting information, p. 7928 - 7933 (2020/06/24)

Heteromultimetallic complexes consisting of three Co(II) ions and one lanthanide ion were synthesized and applied to the alternating copolymerization of CO2 and cyclohexene oxide. Unlike the conventional cobalt(III) salen complexes, the high thermal stabi

Syntheses, luminescences and Hirshfeld surfaces analyses of structurally characterized homo-trinuclear ZnII and hetero-pentanuclear ZnII-LnIII (Ln?=?Eu, Nd) bis(salamo)-like complexes

Zhao, Qing,An, Xiao-Xin,Liu, Ling-Zhi,Dong, Wen-Kui

, p. 6 - 15 (2019/03/05)

Homo-trinuclear [Zn3(L)(μ2-OAc)2(H2O)].CH2Cl2 (1) and hetero-pentanuclear [Zn4(L)2Eu(NO3)3(H2O)] (2) and [Zn4(L)2/sub

Structurally characterized homo-trinuclear ZnII and hetero-pentanuclear [ZnII4LnIII] complexes constructed from an octadentate bis(Salamo)-based ligand: Hirshfeld surfaces, fluorescence and catalytic properties

Li, Xiao-Yan,Kang, Quan-Peng,Liu, Chang,Zhang, Yang,Dong, Wen-Kui

, p. 4605 - 4619 (2019/03/19)

One homo-trinuclear 3d and five novel windmill-type hetero-pentanuclear 3d-4f complexes [Zn3(L)(OAc)2(H2O)]·CH2Cl2 (1), [Zn4(L)2Sm(NO3)2(EtOH)2]N

BIS-BENZIMIDAZOLE COMPOUNDS AND METHODS OF USING SAME

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Paragraph 001136-001138, (2019/06/05)

Provided herein are compounds and methods for modulating abnormal repeat expansions of gene sequences. More particularly, provided are inhibitors of RNA and the uses of such inhibitors in regulating nucleotide repeat expansions, e.g., to treat Myotonic Dystrophy Type 1 (DM1 ), Myotonic Dystrophy Type 2 (DM2), Fuchs dystrophy, Huntington Disease, Amyotrophic Lateral Sclerosis, or Frontotemporal Dementia.

Four rare structurally characterized hetero-pentanuclear [Zn4Ln] bis(salamo)-type complexes: Syntheses, crystal structures and spectroscopic properties

Pu, Lu-Mei,Wang, Lan,Li, Xiao-Yan,Sun, Yin-Xia,Kang, Quan-Peng,Long, Hai-Tao,Dong, Wen-Kui,Xu, Wei-Bing

, p. 37331 - 37343 (2019/12/02)

Four new hetero-pentanuclear 3d-4f complexes [Zn4(L)2La(NO3)2(OEt)(H2O)] (1), [Zn4(L)2Ce(NO3)2(OMe)(MeOH)] (2), [Zn4(L)2Pr(NO3/s

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