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30-2480

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Betul Cekic et al.
Acta cirurgica brasileira, 27(9), 606-610 (2012-09-01)
Since Technetium-99m ((99m)Tc) has favorable physical and chemical characteristics, it is widely used radioisotope in Nuclear Medicine. However, stannous dichloride (SnCl(2)) has been widely used as a reducing agent in labeling procedure of pharmaceutical with radionuclide, it has been realized...
Qaisar Nadeem et al.
Pakistan journal of pharmaceutical sciences, 26(2), 353-357 (2013-03-05)
N-(2-Hydroxybenzyl)-2-amino-2-deoxy-D-glucose (NHADG) was synthesized by conjugation of salicylaldehyde to glucosamine. The obtained compound was well characterized via different analytical techniques. Labeling of the synthesized compound with technetium-99m ((99m)Tc) in pertechnetate form ((99m)Tc O4-) was carried out via chelation reaction in...
Olivier Germay et al.
Organic & biomolecular chemistry, 10(48), 9709-9733 (2012-11-17)
The tin(IV) chloride mediated cyclisation of (Z)-homoallylic alcohols using phenylselenenyl chloride or phthalimide in the presence of a Lewis acid followed by reductive removal of the phenylselenenyl group was found to give 2,5-cis-disubstituted tetrahydrofurans with excellent stereocontrol. Using this procedure...
Brendan Wampler et al.
Journal of food science, 77(6), C677-C683 (2012-05-18)
To determine volatile formation during storage and thawing, whole, pureed, blanched, and raw green and red bell peppers (Capsicum annuum) were frozen quickly or slowly then stored at -18 °C for up to 7 mo, with and without SnCl(2) addition...
Diana Barrera-Oviedo et al.
Renal failure, 35(1), 132-137 (2012-11-02)
The exposure to hexavalent chromium is often known to cause acute renal failure. It has been found that nonenzymatic antioxidants and the induction of heme oxygenase 1 have protective effects against nephrotoxicity induced by potassium dichromate in vivo. In this...
Aurélien Vidal et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 101, 1-9 (2015-03-31)
The cartilage-targeting strategy is based on the strong affinity of quaternary ammonium (QA) functions for cartilage proteoglycans. We use a bifunctional agent containing QA moiety and a polyazamacrocycle structure able to complex technetium-99m. (99m)Tc-NTP 15-5 was selected for its high...
José Carlos Pelielo De Mattos et al.
Molecules (Basel, Switzerland), 17(11), 12974-12983 (2012-11-03)
Radiopharmaceuticals are employed in patient diagnostics and disease treatments. Concerning the diagnosis aspect, technetium-99m (99mTc) is utilized to label radiopharmaceuticals for single photon computed emission tomography (SPECT) due to its physical and chemical characteristics. 99mTc fixation on pharmaceuticals depends on...
Zari Hooshyar et al.
Luminescence : the journal of biological and chemical luminescence, 30(5), 538-548 (2014-10-15)
Diamine-sarcophagine (DiAmsar) binding to human serum albumin (HSA) and bovine serum albumin (BSA) was investigated under simulative physiological conditions. Fluorescence spectra in combination with Fourier transform infrared (FT-IR), UV-visible (UV-vis) spectroscopy, cyclic voltammetry (CV), and molecular docking method were used...
Grégory Dupeyre et al.
Organic & biomolecular chemistry, 9(22), 7780-7790 (2011-10-07)
A six-step one-pot reaction was designed for synthesizing homodimeric 7-phenylindolo[3,2-a]carbazoles from 1H-indoles and β-nitrostyrenes, in the presence of SnCl(2)·2H(2)O. The reactions proceeded under very mild conditions and the desired heterocycles were obtained in moderate to good yields. An unprecedented mechanism...
David J Hallett et al.
Organic & biomolecular chemistry, 10(30), 6130-6158 (2012-04-20)
Reactions of the allyltin trichloride 45 generated from (4S)-4-benzyloxypent-2-enyl(tributyl)stannane 1 with imines prepared from glyoxylates proceed with useful levels of 1,5-stereocontrol in favour of (4E)-2,6-anti-2-(alkylamino)-6-benzyloxyhept-4-enoates 49. This stereoselectivity, controlled by the chirality of the stannane, dominates over any intrinsic stereochemical...
Florian J Wegehaupt et al.
Acta odontologica Scandinavica, 70(4), 272-278 (2012-01-05)
Application of SnCl(2)/AmF/NaF containing mouth rinse showed good protection against erosion. The aim of the study was to evaluate if this is due to the amount of KOH-soluble fluoride (KOHsF) formed or its resistance under erosive conditions. One hundred and...
Amit Pratap Singh et al.
Journal of the American Chemical Society, 134(10), 4998-5003 (2012-02-15)
Cationic and anionic species of heavier low-valent group 14 elements are intriguing targets in main group chemistry due to their synthetic potential and industrial applications. In the present study, we describe the synthesis of cationic (MCl(+)) and anionic (MCl(3)(-)) species...
Aruna Korde et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 96, 57-62 (2014-12-06)
A single vial freeze-dried kit formulation for preparation of three patients' dose of [(99m)Tc]TRODAT-1 has been developed for early diagnosis of Parkinson's disease (PD). Kits were evaluated to ascertain the purity, stability and batch to batch variations. Preclinical evaluation was...
Fa-tang Li et al.
Journal of hazardous materials, 205-206, 164-170 (2012-01-11)
A new C5H9NO·SnCl2 coordinated ionic liquid (IL) was prepared by reacting N-methyl-pyrrolidone with anhydrous SnCl2. Desulfurization of dibenzothiophene (DBT) via extraction and oxidation with C5H9NO·SnCl2 IL as extractant, H2O2 and equal mol of CH3COOH as oxidants was investigated. The Nernst...
Ryohei Okado et al.
Chemical & pharmaceutical bulletin, 60(1), 21-22 (2012-01-10)
A catalytic amount of tin(IV) chloride catalyzed formal [4+2] cycloaddition reaction of di-tert-butyl 2-ethoxycyclobutane-1,1-carboxylate with ketones or aldehydes to give diethyl 6-ethoxydihydro-2H-pyran-3,3(4H)-dicarboxylates, whereas two equivalents of trimethylsilyl triflate promoted tandem [4+2] cycloaddition and lactonization to afford 3-oxo-2,6-dioxabicyclo[2.2.2]octane-4-carboxylate esters.
Akash Katoch et al.
Journal of hazardous materials, 286, 229-235 (2015-01-16)
We report, and propose a mechanism for, the exceptional hydrogen gas (H2) sensing ability of ZnO nanofibers. In comparison to SnO2 nanofibers, ZnO nanofibers show outstanding H2 gas response and unmistakable H2 selectivity. Different from the reducing gas effect observed...
Yousef Fazaeli et al.
Journal of fluorescence, 22(5), 1263-1270 (2012-06-15)
A series of 8-hydroxyquinoline complexes of tin, Q(2)SnCl(2) (Q = 2-methyl-8-hydroxyquinoline, 8-hydroxyquinoline, 5,7-dibromo-8-hydroxyquinoline, 5-chloro-8-hydroxyquinoline, 5,7-dichloro-8-hydroxyquinoline and 5-nitro-8-hydroxyquinoline) were prepared by reacting stannous dichloride with 8-hydroxyquinoline and its derivatives. All complexes were characterized by elemental analysis, mass spectrometry and infrared, UV-vis...
Suresh Subramanian et al.
Nuclear medicine communications, 36(8), 848-853 (2015-05-02)
In-situ sentinel lymph node (SLN) detection is an important component in staging cancers of various origins. At present, technetium-99m (Tc)-labeled nanoparticle formulations like sulfur colloid and human serum albumin (HSA) nanocolloid are used in the clinic as SLN tracers. In...
Lindsay A Hobson et al.
Organic & biomolecular chemistry, 10(37), 7510-7526 (2012-08-14)
Transmetallation of the 5-benzyloxy-4-methylpent-2-en-1-yl(tributyl)- and -(triphenyl)stannanes 1 and 8 using tin(iv) chloride generates an allyltin trichloride that reacts with aldehydes to give (Z)-1,5-anti-6-benzyloxy-5-methylhex-3-en-1-ols 2. The allyltin trichloride believed to be the key intermediate in these reactions has been trapped by...
Qiu-Sha Tang et al.
International journal of nanomedicine, 6, 3077-3085 (2011-12-14)
The purpose of this study was to develop intraperitoneal hyperthermic therapy based on magnetic fluid hyperthermia, nanoparticle-wrapped cisplatin chemotherapy, and magnetic particles of albumin. In addition, to combine the multiple-killing effects of hyperthermal targeting therapy, chemotherapy, and radiotherapy, the albumin-nanoparticle...
Pardeep Kumar et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 99, 41-45 (2015-02-24)
In the present study, we successfully radiolabeled gefitinib with (99m)Tc by direct labeling method. The radio-ligand had radiolabeling efficiency of >95.0% and in vitro stability of >80.0% at 24h. The radiotracer cleared from blood bi-exponentially. Animal organ biodistribution data indicated...
Matthew Currie et al.
Inorganic chemistry, 52(4), 1710-1721 (2012-06-09)
The anionic speciation of chlorostannate(II) ionic liquids, prepared by mixing 1-alkyl-3-methylimidazolium chloride and tin(II) chloride in various molar ratios, χ(SnCl2), was investigated in both solid and liquid states. The room temperature ionic liquids were investigated by (119)Sn NMR spectroscopy, X-ray...
Rajendran Suresh et al.
The Journal of organic chemistry, 77(3), 1468-1476 (2012-01-11)
The synthesis of 2-(1H-pyrrolo[2,3-b]pyridin-3-yl)quinolines by a SnCl(2)-catalyzed multicomponent reaction has been described. The reaction proceeds chemo- and regioselectively in an atom-economic way, generating a library of 24 quinoline derivatives.
Humaira Seema et al.
Nanotechnology, 23(35), 355705-355705 (2012-08-17)
Graphene sheets decorated with SnO(2) nanoparticles (RGO-SnO(2)) were prepared via a redox reaction between graphene oxide (GO) and SnCl(2). Graphene oxide (GO) was reduced to graphene (RGO) and Sn(2+) was oxidized to SnO(2) during the redox reaction, leading to a...
Huamin Qiu et al.
Talanta, 98, 226-230 (2012-09-04)
A new method for determination of L-tryptophan (L-try) using the flow injection chemiluminescence (FI-CL) system of KMnO(4)-SnCl(2)-CHOH based on a graphene oxide-magnetite-molecularly imprinted polymer (GM-MIP) is described. The L-try GM-MIP was synthesized using graphene oxide (G) which improved the adsorption...
Najmadin Azizi et al.
TheScientificWorldJournal, 2012, 908702-908702 (2012-06-01)
A simple deep eutectic solvent based on tin (II) chloride was used as a dual catalyst and environmentally benign reaction medium for an efficient synthesis of 3,4-dihydropyrimidin-2(1H)-one derivatives, from aromatic and aliphatic aldehydes, 1,3-dicarbonyl compounds, and urea in good-to-excellent yields...
Luka A Wright et al.
Dalton transactions (Cambridge, England : 2003), 44(16), 7230-7241 (2015-03-20)
The 2-(2′-aniline)-6-imine-pyridines, 2-(C6H4-2′-NH2)-6-(CMe=NAr)C5H3N (Ar = 4-i-PrC6H4 (HL1a), 2,6-i-Pr2C6H3 (HL1b)), have been synthesised via sequential Stille cross-coupling, deprotection and condensation steps from 6-tributylstannyl-2-(2-methyl-1,3-dioxolan-2-yl)pyridine and 2-bromonitrobenzene. The palladium(II) acetate N,N,N-pincer complexes, [{2-(C6H4-2′-NH)-6-(CMe=NAr)C5H3N}Pd(OAc)] (Ar = 4-i-PrC6H4 (1a), 2,6-i-Pr2C6H3 (1b)), can be prepared by...
Hemlata Nimesh et al.
Molecular pharmacology, 88(4), 768-778 (2015-08-05)
Radiotherapy, a therapeutic modality of cancer treatment, nonselectively damages normal tissues as well as tumor tissues. The search is ongoing for therapeutic agents that selectively reduce radiation-induced normal tissue injury without reducing tumoricidal effect, thereby increasing the therapeutic ratio of...
Yumin Zheng et al.
Journal of labelled compounds & radiopharmaceuticals, 57(9), 584-592 (2014-07-30)
The objective of this study was to develop a kit formulation for [(99m) TcN(mpo)(PNP5)](+) (MPO = 2-mercaptopyridine oxide), ((99m) TcN-MPO) to support its clinical evaluations as a SPECT radiotracer. Radiolabeling studies were performed using three different formulations (two-vial formulation and single-vial formulations...
C Ganss et al.
Caries research, 45(6), 581-589 (2011-12-14)
New toothpastes with anti-erosion claims are marketed, but little is known about their effectiveness. This study investigates these products in comparison with various conventional NaF toothpastes and tin-containing products with respect to their erosion protection/abrasion prevention properties. In experiment 1...
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