Dmg Ligand
DMG Productions explores breakthroughs in health and medicine.
Jan 09, 2008 nickel dimethylglyoxime? I've done an experiment on determining trace nickel in an unknown solution using DMG.in the experiment,why was oxidizing agent being added?and by adding oxidizing agent does nickel being oxidized? To test this hypothesis, the detection zone area was increased two-fold, while the same volume and concentration of buffer and ligand added to the device. To fully cover the detection zone, dmg was deposited onto the device so that the edge of the reagent dried at the interface between the channel and the detection zone. A ligand can be an anion or a neutral molecule that donates an electron pair to the complex (NH 3, H 2 O, Cl-). The number of ligands that attach to a metal depends on whether the ligand is monodentate, bidentate, or polydentate. For more information, see Ligands and Chelation. To begin naming coordination complexes, here are some things to.
Chromium, copper and nickel metal ligand complexes containing DMG organic acids such as oxalic acid and Pthalic acid as a ligand. The synthesized complexes are characterized by elemental, IR & electronic spectroscopic analysis. A spectrochemical series is a list of ligands ordered on ligand strength and a list of metal ions based on oxidation number, group and its identity. In crystal field theory, ligands modify the difference in energy between the d orbitals called the ligand-field splitting parameter for ligands or the crystal-field splitting parameter, which is mainly reflected in differences in color of similar metal-ligand complexes.
Jupiter, FL—The award-winning Innovations w/Ed Begley Jr. series will feature KemPharm Inc. in an upcoming episode, airing first quarter 2018 on FOX Business. Check your local listings for more information.
This segment of Innovations will focus on KemPharm’s strategy to develop new prodrugs by employing its Ligand Activated Therapy (LAT™) platform technology to discover and develop the potential to improve one or more of the attributes of approved drugs, such as susceptibility to abuse, bioavailability, or even safety.
“Our growth opportunity at KemPharm is to take existing, FDA-approved drugs and – using our prodrug technology – make better product therapies that add new benefits which can become available to patients faster than typical new drug development,” said Travis C. Mickle, Ph.D., President and Chief Executive Officer of KemPharm. “We use our unique prodrug process, relying on existing FDA regulatory pathways where possible, to create the potential for therapies with reduced side effects for a more effective treatment in a fraction of the time needed for traditional drug development. Our strategy is one that creates a potential win-win for patients and their treating physicians by saving time and reducing the cost of new therapies when compared to the traditional drug development cycle.”
Viewers will learn how the LAT™ platform technology creates prodrugs that are new molecular entities (NME) by chemically attaching one or more molecules, or ligands, to an FDA-approved parent drug. When combined with the parent drug, ligands generate prodrugs designed to have improved drug attributes while maintaining efficacy equivalent to the parent drug.
“KemPharm is a clinical-stage specialty pharmaceutical company engaged in the discovery and development of proprietary prodrugs that are designed to be improved versions of widely prescribed, approved drugs,”said Chalan Rump, Director of Programming for DMG Productions. “We look forward to exploring this technology with our viewers.”
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Dmg Chelating Ligand
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About KemPharm Inc:
KemPharm is a clinical-stage specialty pharmaceutical company focused on the discovery and development of proprietary prodrugs to treat serious medical conditions through its proprietary LATTM (Ligand Activated Therapy) platform technology. KemPharm utilizes its proprietary LATTM platform technology to generate improved prodrug versions of FDA-approved drugs in the high need areas of ADHD, pain and other central nervous system disorders. KemPharm’s co-lead clinical development candidates are KP415 and KP484, both based on a prodrug of methylphenidate, but with differing extended-release profiles for the treatment of ADHD. In addition, the company is advancing Apadaz™, an immediate-release, abuse-deterrent hydrocodone/acetaminophen combination product candidate, and KP201/IR, an acetaminophen-free formulation of the company’s immediate release abuse-deterrent hydrocodone product candidate, KP201. For more information visit www.kempharm.com.
About Innovations and DMG Productions:
Innovations, hosted by award winning actor Ed Begley, Jr., is an information-based series geared toward educating the public on the latest breakthroughs in all areas of society. Featuring practical solutions and important issues facing consumers and professionals alike, Innovations focuses on cutting-edge advancements in everything from health and wellness to global business, renewable energy, and more.
DMG Productions (responsible for creating the Innovations show) includes personnel specialized in various fields from agriculture to medicine, independent films to regional news and more. Field producers work closely with experts in the field to develop stories. This powerful force enables DMG to consistently produce commercial-free, educational programming that both viewers and networks depend on.
For more information visit www.InnovationsTelevision.com or call (866) 496-4065.
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| ECHA InfoCard | 100.002.201 |
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| Properties | |
| C4H8N2O2 | |
| Molar mass | 116.120 g·mol−1 |
| Appearance | White/Off White Powder |
| Density | 1.37 g/cm3 |
| Melting point | 240 to 241 °C (464 to 466 °F; 513 to 514 K) |
| Boiling point | decomposes |
| low | |
| Structure | |
| 0 | |
| Hazards | |
| Main hazards | Toxic, Skin/Eye Irritant |
| Safety data sheet | External MSDS |
| GHS pictograms | |
| GHS Signal word | Danger |
| H228, H301 | |
| P210, P240, P241, P264, P270, P280, P301+310, P321, P330, P370+378, P405, P501 | |
| NFPA 704 (fire diamond) | |
| Related compounds | |
| Hydroxylamine salicylaldoxime | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| verify (what is ?) | |
| Infobox references | |
Dimethylglyoxime is a chemical compound described by the formula CH3C(NOH)C(NOH)CH3. Its abbreviation is dmgH2 for neutral form, and dmgH for anionic form, where H stands for hydrogen. This colourless solid is the dioxime derivative of the diketone butane-2,3-dione (also known as diacetyl). DmgH2 is used in the analysis of palladium or nickel. Its coordination complexes are of theoretical interest as models for enzymes and as catalysts. Many related ligands can be prepared from other diketones, e.g. benzil.
Preparation[edit]
Dimethylglyoxime can be prepared from butanone first by reaction with ethyl nitrite to give biacetyl monoxime. The second oxime is installed using sodium hydroxylamine monosulfonate:[1]
Complexes[edit]
Dimethylglyoxime is used to detect and quantify nickel, which forms the bright red complex nickel bis(dimethylglyoximate) (Ni(dmgH)2). The reaction was discovered by L. A. Chugaev in 1905.[2]
Cobalt complexes have also received much attention. In chloro(pyridine)cobaloxime[3] the macrocycle [dmgH]22− mimics the macrocyclic ligand found in vitamin B12.
References[edit]
- ^Semon, W. L.; Damerell, V. R. (1930). 'Dimethylglyoxime'. Organic Syntheses. 10: 22. doi:10.15227/orgsyn.010.0022.CS1 maint: multiple names: authors list (link)
- ^Lev Tschugaeff (1905). 'Über ein neues, empfindliches Reagens auf Nickel'. Berichte der Deutschen Chemischen Gesellschaft. 38 (3): 2520–2522. doi:10.1002/cber.19050380317.
- ^Girolami, G. S.; Rauchfuss, T.B.; Angelici, R. J. (1999). Synthesis and Technique in Inorganic Chemistry: A Laboratory Manual (3rd ed.). pp. 213–215.
Dmg Ligand Structure
