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3-{[(Diethylamino)carbonyl]oxy}-4-pyridinecarboxylic acid - CAS 215364-83-3

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Category
Main Product
Product Name
3-{[(Diethylamino)carbonyl]oxy}-4-pyridinecarboxylic acid
Catalog Number
215364-83-3
Synonyms
3-([(DIETHYLAMINO)CARBONYL]OXY)-4-PYRIDINECARBOXYLIC ACID
CAS Number
215364-83-3
Molecular Weight
238.24
Molecular Formula
C11H14N2O4
COA
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MSDS
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Canonical SMILES
CCN(CC)C(=O)OC1=C(C=CN=C1)C(=O)O
InChI
InChI=1S/C11H14N2O4/c1-3-13(4-2)11(16)17-9-7-12-6-5-8(9)10(14)15/h5-7H,3-4H2,1-2H3,(H,14,15)
InChIKey
RHWZUWMMDWXKLZ-UHFFFAOYSA-N
Structure
CAS 215364-83-3 3-{[(Diethylamino)carbonyl]oxy}-4-pyridinecarboxylic acid
Specification
Purity
95%
Boiling Point
454ºC at 760mmHg
Density
1.256g/cm3
Reference Reading
1.3-[(Z)-(4-Diethyl-amino-6-oxocyclo-hexa-2,4-dien-1-yl-idene)methyl-amino]benzoic acid.
Swamy MT, Narayana B, Yathirajan HS, Sarojini BK, Kubicki M. Acta Crystallogr Sect E Struct Rep Online. 2007 Dec 6;64(Pt 1):o163-4. doi: 10.1107/S1600536807064446.
The title compound, C(18)H(20)N(2)O(3), crystallizes as the keto tautomer, unlike the vast majority of similar structures that have been reported that contain the hydr-oxy tautomer. There are two strong hydrogen bonds in the crystal structure, both accepted by the same carbonyl group: one intra-molecular N-H⋯O and one inter-molecular O-H⋯O. As a result, the carbonyl C=O distance is long, at 1.310 (2) Å, which may suggest the mol-ecule has a significant zwitterionic character. The dihedral angle between the benzene ring planes is 15.05 (7)°. As a result of the intramolecular hydrogen bond, the bridging C-C=N-C group is almost coplanar with the benzene ring that has the diethylamino substituent [dihedral angle 2.35 (15)°].
2.Derivatization and detection of small aliphatic and lipid-bound carbonylated lipid peroxidation products by ESI-MS.
Milic I1, Fedorova M. Methods Mol Biol. 2015;1208:3-20. doi: 10.1007/978-1-4939-1441-8_1.
Double bonds in polyunsaturated fatty acids (PUFA) and lipids are one of the major targets of reactive oxygen species (ROS). The resulting lipid peroxidation products (LPP) represent a group of chemically diverse compounds formed by several consecutive oxidative reactions. Oxidative cleavage leads to the formation of small aliphatic and lipid-bound aldehydes and ketones (oxoLPPs). These strong electrophiles can readily react with nucleophilic substrates, for example, side chains in proteins which can alter structure, function, and cellular distribution of the modified proteins. Despite growing interest in the field of oxidative lipidomics, only a few dominantly formed oxoLPP were identified. Due to the chemical and physical properties, aliphatic oxoLPPs are usually analyzed using gas chromatography-mass spectrometry (GC- MS), while nonvolatile lipid-bound oxoLPPs require liquid chromatography-mass spectrometry (LC-MS). To overcome the need for the two analyses, we have developed a new derivatization strategy to capture all oxoLPP independent to their properties with electrospray ionization (ESI) MS allowing simultaneous detection of aliphatic and lipid-bound oxoLPPs.
3.Bradykinin-evoked Ca2+ mobilization in Madin Darby canine kidney cells.
Jan CR1, Ho CM, Wu SN, Tseng CJ. Eur J Pharmacol. 1998 Aug 21;355(2-3):219-33.
We studied the mechanisms underlying the bradykinin-evoked changes in intracellular calcium concentration ([Ca2+]i) in Madin Darby canine kidney (MDCK) cells. Bradykinin evoked a [Ca2+]i transient in a dose-dependent manner, measured by fura-2 fluorimetry and digital video imaging. The transient consisted of a rise and a decay and [Ca2+]i returned to baseline without oscillations. External Ca2+ influx occurred, as demonstrated by Mn2+ quench and external Ca2+ removal measurements. Bradykinin acted by stimulating bradykinin B2 receptors as evidenced by blockade by D-arginyl-L-arginlyl-L-prolyl-trans-4-hydroxy-L-prolylglycyl -3-(2-thienyl)-L-alanyl-L-seryl-D-1,2,3,4-tetrahydro-3-isoquinolineca rbonyl-L-(2alpha,3beta,7alphabeta)-octahydro-1 H-indole-2-carbonyl-L-arginine (HOE 140) but not by D-arginyl-L-arginlyl-L-prolyl-trans-4-hydroxy-L-proylglycyl- 3-(2-thienyl)-L-alanyl-L-seryl-D-1,2,3,4-tetrahydro-3-isoquinolinecar bonyl-L-(2alpha,3beta,7alphabeta)-octahydro-1 H-indole-2-carbonyl ([Des-Arg]HOE 140).
4.Identification of carbonylated lipids from different phospholipid classes by shotgun and LC-MS lipidomics.
Ni Z1, Milic I, Fedorova M. Anal Bioanal Chem. 2015 Jul;407(17):5161-73. doi: 10.1007/s00216-015-8536-2. Epub 2015 Feb 21.
Oxidized lipids play a significant role in the pathogenesis of numerous oxidative stress-related human disorders, such as atherosclerosis, obesity, inflammation, and autoimmune diseases. Lipid peroxidation, induced by reactive oxygen and nitrogen species, yields a high variety of modified lipids. Among them, carbonylated lipid peroxidation products (oxoLPP), formed by oxidation of the fatty acid moiety yielding aldehydes or ketones (carbonyl groups), are electrophilic compounds that are able to modify nucleophilic substrates like proteins, nucleic acid, and aminophospholipids. Some carbonylated phosphatidylcholines possess even pro-inflammatory activities. However, little is known about oxoLPP derived from other phospholipid (PL) classes. Here, we present a new analytical strategy based on the mass spectrometry (MS) of PL-oxoLPP derivatized with 7-(diethylamino)coumarin-3-carbohydrazide (CHH). Shotgun MS revealed many oxoLPP derived from in vitro oxidized glycerophosphatidylglycerols (PG, 31), glycerophosphatidylcholine (PC, 23), glycerophosphatidylethanolamine (PE, 34), glycerophosphatidylserines (PS, 7), glycerophosphatidic acids (PA, 17), and phosphatidylinositiolphosphates (PIP, 6) vesicles.
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