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MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine) is an organic compound. It is classified as a tetrahydropyridine . It is of interest as a precursor to the monoaminergic neurotoxin MPP + , which causes permanent symptoms of Parkinson's disease by destroying dopaminergic neurons in the substantia nigra of the brain .
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine causes permanent symptoms of Parkinson's disease. (–)-Mitragynine is a naturally occurring tetrahydropyridine. 2,3,4,5-Tetrahydropyridine, a colorless liquid, is commercially available. It is an imine. Illustrating another isomer of tetrahydropyridine, 6-acetyl-2,3,4,5-tetrahydropyridine occurs ...
The researchers discovered that the opiates were tainted with MPTP, which is the biological precursor to the neurotoxic MPP +. [2] The MPTP was present in the illicitly synthesized meperidine analog as an impurity, which had a precedent in a 1976 case involving a chemistry graduate student synthesizing meperidine and injecting the resulting ...
The MPTP was originally discovered by Haworth and Hunter [2] in 1979 and has been found to be involved in neurodegeneration, hepatotoxicity from Reye-related agents, cardiac necrosis and nervous and muscular dystrophies among other deleterious events inducing cell damage and death. [1] [3] [4] [5]
The 3 substrates of this enzyme are succinyl-CoA, (S)-2,3,4,5-tetrahydropyridine-2,6-dicarboxylate, and H 2 O, whereas its two products are CoA and N-succinyl-L-2-amino-6-oxoheptanedioate. This enzyme belongs to the family of transferases, specifically those acyltransferases transferring groups other than aminoacyl groups. The systematic name ...
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Terpyridine is a tridentate ligand that binds metals at three meridional sites giving two adjacent 5-membered MN 2 C 2 chelate rings. [6] Terpyridine forms complexes with most transition metal ion as do other polypyridine compounds, such as 2,2'-bipyridine and 1,10-phenanthroline. Complexes containing two terpyridine complexes, i.e. [M(Terpy) 2 ...
First logo used from 2010 to 2017. The 2b2t Minecraft server was founded in December 2010; it has run consistently without a reset since then. [6] [1] The founders are anonymous, [7] choosing to remain unknown or known only via usernames; the most prominent founder is commonly referred to as "Hausemaster".