A novel fluorescein-based colorimetric probe for Cu2+ detection

RSC Advances ◽  
2016 ◽  
Vol 6 (64) ◽  
pp. 59677-59683 ◽  
Author(s):  
Xin Wu ◽  
Xiaojuan Gong ◽  
Wenjuan Dong ◽  
Jun Ma ◽  
Jianbin Chao ◽  
...  

A new colorimetric probe, 5-chlorosalicylaldehyde fluorescein hydrazone (CSFH), has been synthesized and characterized by, FT-IR, NMR, mass elemental analysis and X-ray single crystal diffraction.

2015 ◽  
Vol 38 (3-4) ◽  
pp. 93-97
Author(s):  
Qingtao Liu ◽  
Xiaowen Shi ◽  
Changfa Zhang ◽  
Laijin Tian

Abstract Two [2-((L)-menthoxycarbonyl)ethyl]diphenyltin halides, (L)-MenOCOCH2CH2SnXPh2 (X=Cl, 1; I, 2), have been synthesized and characterized by means of elemental analysis, FT-IR, NMR (1H, 13C, and 119Sn) spectroscopy, and X-ray single crystal diffraction. The tin atoms in 1 and 2 are both five-coordinated and possess the [C3SnOX] (X=Cl and I) trigonal bipyramidal environment with the trigonal plane defined by the three carbon atoms and the axial positions occupied by the halogen atom and internal carbonyl oxygen. There is a five-membered chelate ring in 1 and 2 with the Sn-O distance being 2.4781(16) and 2.512(2) Å, respectively.


RSC Advances ◽  
2020 ◽  
Vol 10 (39) ◽  
pp. 23250-23253
Author(s):  
Haozheng Mei ◽  
Junqing Yang ◽  
Wenli Cao ◽  
Yong Hu ◽  
Piao He ◽  
...  

A novel high-energy salt with good oxygen balance, dihydrazine tetranitroethide (5), has been synthesized and characterized by FT-IR spectroscopy, NMR spectroscopy, elemental analysis, and X-ray single crystal diffraction.


2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Ramadan M. El-mehdawi ◽  
Abdussalam N. EL-dewik ◽  
Mufida M. Ben-Younes ◽  
Fathia A. Treish ◽  
Ramadan G. Abuhmaiera ◽  
...  

The title complex was isolated as a red solid from the reaction of 4-(salicylaldiminato)antipyrine, HL, and cobalt (II) acetate in ethanol. The complex has been characterized by elemental analysis, FTIR, UV-Vis, and X-ray single crystal diffraction. Two crystallographically different cationic units, A and B, of the title complex are found. Both units are essentially isostructural; nevertheless, small differences exist between them. Both units contain four cobalt atoms arranged at the corners of distorted cubane-like core alternatively with phenoxy oxygen of the Schiff base. In both cases, one cobalt binds to three coordinated sites from the corresponding tridentate Schiff base ligand, and the fourth one was bonded by the acetate oxygen, and the fifth and the sixth donor sites come from the phenolate oxygen of another Schiff base ligand.


2011 ◽  
Vol 233-235 ◽  
pp. 264-268 ◽  
Author(s):  
Li Na Wang ◽  
Xiang Rong Liu ◽  
Chun Yang ◽  
Jie Huang ◽  
Hui Wu Cai

A new compound, 2-carboxylbenzaldehyde-2-pyrroleformylhydrazone (C13H11N3O3), was synthesized by condensation of 2-carboxylbenzaldehyde (C8H6O3) with 2-pyrroleformylhydrazine (C5H7N3O). Its structure has been determined on the basis of elemental analysis, FTIR spectrum, UV-vis spectrum,1HNMR,13CNMR, MS and X-ray single-crystal diffraction analysis.


2009 ◽  
Vol 63 (3) ◽  
Author(s):  
Ján Halgaš ◽  
Viera Kolenová ◽  
Zuzana Števíková ◽  
Lucia Perašínová ◽  
Jozef Kožíšek

AbstractAlthough thienopyridines attract attention because of their biological activities, they have not been used as ligands in coordination compounds. Thieno[2,3-b]pyridine was prepared by known procedures; by reduction of 2-nitrothiophene, and reaction of the resulting 2-thienyl ammonium salt with malondialdehyde tetramethylacetal in the presence of zinc chloride. The same procedure was used for the preparation of a new derivative, 2-methylthieno[2,3-b]pyridine, starting from 2-methyl-5-nitrothiophene. The thienopyridines were used in the synthesis of coordination compounds. Chlorides, isothiocyanates, acetates, and chloroacetates of copper(II), nickel(II), or cobalt(II) were used as starting salts. The prepared complexes were characterized by elemental analysis and FT IR. Structures of the four complexes were determined by single-crystal X-ray diffraction analysis.


2016 ◽  
Vol 71 (1) ◽  
pp. 81-84 ◽  
Author(s):  
Eugen Weisheim ◽  
Hans-Georg Stammler ◽  
Norbert W. Mitzel

AbstractThe reaction of 1,3,5-triethynyl-1,3,5-trimethyl- 1,3,5-trisilacyclohexane with (dimethylamino)trimethylstannane afforded 1,3,5-tris[(trimethylstannyl)ethynyl]- 1,3,5-trimethyl-1,3,5-trisilacyclohexane with tin-functionalised ethynyl groups. The compound was characterized by single-crystal X-ray diffraction, elemental analysis, mass spectrometry, NMR and FT-IR spectroscopy.


2013 ◽  
Vol 834-836 ◽  
pp. 259-262
Author(s):  
Yan Lin ◽  
Han Feng Cui ◽  
Hao Fan

A novel binuclear ruthenium vinyl complexes with dithienylethene unit II [RuCl (CO)(PMe3)3]2(μ-CH=CH-DTE-CH=CH) has been synthesized and characterized by elemental analysis and NMR spectra. Meanwhile, the crystal of II was obtained and determined by X-ray single-crystal diffraction.


2010 ◽  
Vol 63 (2) ◽  
pp. 252 ◽  
Author(s):  
Jingli Xie ◽  
Ryan Gilbert-Wilson ◽  
Boujemaa Moubaraki ◽  
Keith S. Murray ◽  
Anthony G. Wedd

Two new hybrid materials [Fe(bipy)3]3[ZnW12O39(OH)Fe(bipy)2(H2O)]2 and [Fe(bipy)3]2[CoW12O40] were obtained by hydrothermal synthesis. They contain [Fe(bipy)3] n+ (bipy = 2,2′-bipyridyl; n = 2 or 3) cations and Keggin-type polyoxotungstate anions. Both have been characterized by elemental analysis, FT-IR spectroscopy, 1H-NMR spectrometry, and single crystal X-ray crystallography. The anion in the former salt features [FeII(bipy)2(OH2)]2+ units covalently bound via a W=O-Fe bridge to the protonated anion [ZnW12O39(OH)]5–. The latter salt contains discrete [CoW12O40]6– anions.


2012 ◽  
Vol 534 ◽  
pp. 131-134
Author(s):  
Xi Shi Tai

A novel aroylhydrazone ligand, 2’-hydroxyacetophenone-furan-2-carbohydrazine, has been synthesized and characterized by elemental analysis, infrared spectrum and X-ray single crystal diffraction. The complex of Zn (II) with 2’-hydroxyacetophenone-furan-2-carbohydrazine has also been synthesized and characterized by elemental analysis, infrared spectrum and UV spectra. The luminescence properties of ligand and its Zn (II) complex were investigated in solid, respectively. The results show that the ligand exhibit yellow-green luminescence at 531 nm and the Zn (II) complex exhibit blue luminescence at 488 nm.


2014 ◽  
Vol 934 ◽  
pp. 86-90
Author(s):  
Xiao Min Hao ◽  
Gang Chen ◽  
Chang Sheng Gu

A novel complex of [Ag (bib)(3-pySO3)] n (3-pySO3:3-pyridinesulfonate; bib 1, 4-bis (2-methyl-imidazol-1-yl) butane) was synthesized and characterized by elemental analysis, IR, X-ray single crystal diffraction. The title complex belongs to triclinic system with space group P-1, a=7.8030(16)Å, b=8.0070(16)Å, c=10.742(2)Å,α=84.64(3)°,β=82.33(3)°,γ=82.76(3)°, V=657.8(2)Å3, Z=2, Dc=1.894g/cm3, μ= 1.697mm-1, F(000)= 374. Final indices is R =0.0480, wR =0.1169. Thermal stability and luminescent property of compound have also been investigated.


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