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Showing 61 to 72 of 72 entries
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Possible role of relativistic effects in the plasticity of the coordination geometry of cadmium(II). A voltammetric study of the stability of the complexes of cadmium(II) with 12-crown-4,15-crown-5 and 18-crown-6 in aqueous solution and the structures of [Cd(benzo-18-crown-6)(NCS)(2)] and [K(18-crown-6)][Cd(SCN)(3)].

Inorganic chemistry

Harrington JM, Jones SB, White PH, Hancock RD.
PMID: 15236559
Inorg Chem. 2004 Jul 12;43(14):4456-63. doi: 10.1021/ic049831m.

A differential pulse voltammetric study of complexes of Cd(II) and Pb(II) with crown ethers is reported. Measured log K(1) values for Cd(II) with 18-crown-6 (1,4,7,10,13,16-hexaoxacyclooctadecane), 15-crown-5 (1,4,7,10,13-pentaoxacyclopentadecane), and 12-crown-4 (1,4,7,10-tetraoxacyclododecane) are respectively 2.53 (+/-0.06), 1.97 (+/-0.07), and 1.72 (+/-0.08)...

Synthesis, complexation, and fluorescence behavior of armed crown ethers carrying naphthyl group.

Talanta

Kubo K, Sakaguchi S, Sakurai T.
PMID: 18967649
Talanta. 1999 Jul 12;49(4):735-44. doi: 10.1016/s0039-9140(99)00073-9.

Armed crown ethers (1-4) bonding through an amine, amide, ether, or ester linkage to naphthyl group were found to display unique photophysical properties in the presence of guest salts. Complexation of PET fluoroionophores (1a and 1b) with Zn(2+) increased...

Urea route to homoleptic cyanates--characterization and luminescence properties of [M(OCN)2(urea)] and M(OCN)2 with M=Sr, Eu.

Chemistry (Weinheim an der Bergstrasse, Germany)

Pagano S, Montana G, Wickleder C, Schnick W.
PMID: 19444832
Chemistry. 2009 Jun 15;15(25):6186-93. doi: 10.1002/chem.200900053.

A novel approach for the synthesis of urea complexes and homoleptic cyanates of alkaline earth metals and europium is described. Direct reaction of urea with elemental Sr or Eu in closed ampoules at temperatures above 120 degrees C yields...

Rapid formation of a dense sulfur layer on gold through use of triphenylmethane sulfenyl chloride as a precursor.

Langmuir : the ACS journal of surfaces and colloids

Houmam A, Muhammad H, Koczkur KM.
PMID: 23131048
Langmuir. 2012 Dec 11;28(49):16881-9. doi: 10.1021/la3032607. Epub 2012 Nov 26.

The use of triphenylmethane sulfenyl chloride as a new precursor leads to the efficient deposition of sulfur on polycrystalline gold and Au(111) substrates. The modified surfaces are characterized using X-ray photoelectron spectroscopy (XPS), electrochemistry and scanning tunneling microscopy (STM)....

[The development of express-test for semiquantitative detection of thiocyanate ions in saliva.].

Klinicheskaia laboratornaia diagnostika

Sokolov AV, Kostina DA, Marinchev SS, Chaplygin SS, Kolsanov AV.
PMID: 30856304
Klin Lab Diagn. 2017;62(12):730-734. doi: 10.18821/0869-2084-2017-62-12-730-734.

The article presents the results of approbation of the express test-system for semi-quantitative detection of content of thiocyanate ions in saliva as markers of tobacco smoking. The device corresponds to hollow tube with sensory element inside functioning on the...

Strengthening the Magnetic Interactions in Pseudobinary First-Row Transition Metal Thiocyanates, M(NCS).

Inorganic chemistry

Bassey EN, Paddison JAM, Keyzer EN, Lee J, Manuel P, da Silva I, Dutton SE, Grey CP, Cliffe MJ.
PMID: 32799496
Inorg Chem. 2020 Aug 17;59(16):11627-11639. doi: 10.1021/acs.inorgchem.0c01478. Epub 2020 Jul 27.

Understanding the effect of chemical composition on the strength of magnetic interactions is key to the design of magnets with high operating temperatures. The magnetic divalent first-row transition metal (TM) thiocyanates are a class of chemically simple layered molecular...

Identification of thiocyanates by Gas Chromatography - Mass Spectrometry in explosive residues used as a possible marker to indicate black powder usage.

Talanta

Chajistamatiou AS, Bakeas EB.
PMID: 30625569
Talanta. 2019 Apr 01;195:456-462. doi: 10.1016/j.talanta.2018.11.097. Epub 2018 Nov 27.

Black Powder (BP) is one of the most common improvised explosives, due to broad access in precursors and simple home-made preparation. Deflagration of black powder results in residues the chemical analysis of which presents limitations and has been performed...

Chiral mononuclear lanthanide complexes and the field-induced single-ion magnet behaviour of a Dy analogue.

Dalton transactions (Cambridge, England : 2003)

Lin SY, Wang C, Zhao L, Wu J, Tang J.
PMID: 25369972
Dalton Trans. 2015 Jan 07;44(1):223-9. doi: 10.1039/c4dt02889a.

Three pairs of homochiral mononuclear lanthanide complexes, with the general formula [LnH4LRRRRRR/SSSSSS(SCN)2](SCN)2·xCH3OH·yH2O(Ln = Dy (R/S-Dy1), Ho (R/S-Ho1) and Er (R/S-Er1)), have been obtained via self-assembly between chiral macrocyclic ligands and the respective thiocyanates, all of which show a saddle-type...

Palladium-Catalyzed Site-Selective sp.

The Journal of organic chemistry

Chen Y, Wang S, Jiang Q, Cheng C, Xiao X, Zhu G.
PMID: 29251508
J Org Chem. 2018 Jan 19;83(2):716-722. doi: 10.1021/acs.joc.7b02700. Epub 2017 Dec 29.

Alkyl thiocyanates are prevalent in natural products, drugs, and biologically active compounds. We report here a novel, mild, and efficient Pd-catalyzed site-selective sp

Sulfinates and thiocyanates triggered 6-endo cyclization of o-alkynylisocyanobenzenes.

Organic & biomolecular chemistry

Khaikate O, Meesin J, Pohmakotr M, Reutrakul V, Leowanawat P, Soorukram D, Kuhakarn C.
PMID: 30361738
Org Biomol Chem. 2018 Nov 14;16(44):8553-8558. doi: 10.1039/c8ob02338g.

Diverse 2-sulfonyl- and 2-thiocyanato-3-substituted quinolines were synthesized from o-alkynylisocyanobenzenes by nucleophilic addition of the respective sulfinate sodium salts and ammonium thiocyanate to the isocyanide moiety followed by cyclization. The salient features of the methodology include metal-free, ambient temperature and...

Direct Photocatalytic S-H Bond Cyanation with Green "CN" Source.

The Journal of organic chemistry

Guo W, Tan W, Zhao M, Zheng L, Tao K, Chen D, Fan X.
PMID: 29775061
J Org Chem. 2018 Jun 15;83(12):6580-6588. doi: 10.1021/acs.joc.8b00887. Epub 2018 May 24.

Herein we report a novel C-S bond cleavage and reconstruction strategy for the synthesis of thiocyanates through direct photocatalytic S-H bond cyanation from thiols and inorganic thiocyanate salts. In our strategy, the unprecedented example of cutting off C-S bond...

Selective 1,2-Aminoisothiocyanation of 1,3-Dienes Under Visible-Light Photoredox Catalysis.

Angewandte Chemie (International ed. in English)

Guo W, Wang Q, Zhu J.
PMID: 33197103
Angew Chem Int Ed Engl. 2021 Feb 19;60(8):4085-4089. doi: 10.1002/anie.202014518. Epub 2020 Dec 23.

Selective three-component 1,2-diamination of 1,3-dienes with concurrent introduction of two orthogonally protected amino groups remains unknown despite its significant synthetic potential. We report herein that reaction of conjugated dienes with N-aminopyridinium salts and TMSNCS affords 1,2-aminoisothiocyanation products in a...

Showing 61 to 72 of 72 entries