39579
2,5-二甲基-对苯醌
≥98.0%
别名:
2,5-二甲基-2,5-环己二烯-1,4-二酮, 2,5-二甲基-p-醌, 2,5-二甲基对苯醌, 2,5-二甲基苯醌, 3,6-二甲基对苯醌
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关于此项目
经验公式（希尔记法）:
C8H8O2
化学文摘社编号:
分子量:
136.15
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
205-283-6
Beilstein/REAXYS Number:
2041348
MDL number:
产品名称
2,5-二甲基-对苯醌, ≥98.0%
InChI key
MYKLQMNSFPAPLZ-UHFFFAOYSA-N
InChI
1S/C8H8O2/c1-5-3-8(10)6(2)4-7(5)9/h3-4H,1-2H3
SMILES string
CC1=CC(=O)C(C)=CC1=O
assay
≥98.0%
mp
123-125 °C
solubility
toluene: soluble 0.5 g/10 mL, clear to faintly turbid, yellow to brown
functional group
ketone
Application
2,5-二甲基-1,4-苯醌可能用于参与 (-) -胱抑素 A 3 全合成的关键步骤。
General description
2,5-二甲基-1,4-苯醌是醌衍生物。在 pH 7.8 的磷酸盐缓冲液中研究了其与刀豆脲酶的反应。它是棘头虫防御性分泌的成分之一。在 pH 7.0 的 50 mM 磷酸盐缓冲液中，对其作为刀豆脲酶抑制剂进行了研究。
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
M Floreani et al.
The Journal of pharmacology and experimental therapeutics, 260(2), 468-473 (1992-02-01)
In guinea pig and rat cardiac tissue, redox cycling benzoquinones (2,5-dimethyl-p-benzoquinone and duroquinone) and naphthoquinones (menadione and 2,3-dimethoxy-1,4-naphthoquinone) generated superoxide anion (O2-.) both through one- and two-electron reductions, the generation being significantly greater in guinea pig than in rat tissue.
Wiesława Zaborska et al.
Journal of enzyme inhibition and medicinal chemistry, 17(4), 247-253 (2003-01-18)
1,4-benzoquinone (BQ) and 2,5-dimethyl-1,4-benzoquinone (DMBQ) were studied as inhibitors of jack bean urease in 50 mM phosphate buffer, pH 7.0. The mechanisms of inhibition were evaluated by progress curves studies and steady-state approach to data achieved by preincubation of the
Thomas Eisner et al.
The Journal of experimental biology, 207(Pt 8), 1313-1321 (2004-03-11)
The opilionid Acanthopachylus aculeatus was shown to produce a defensive secretion containing quinones (2,3-dimethyl-1,4-benzoquinone, 2,5-dimethyl-1,4-benzoquinone and 2,3,5-trimethyl-1,4-benzoquinone), confirming the findings reported nearly a half century ago in a classic study. The mechanism by which the opilionid puts the secretion to
Dale E Ward et al.
Organic letters, 9(15), 2843-2846 (2007-06-22)
The total synthesis of (-)-cyathin A3 is described. The key step involves an unusual enantioselective Diels-Alder reaction of 2,5-dimethyl-1,4-benzoquinone with 2,4-bis(trimethylsilyloxy)-1,3-pentadiene, using Mikami's catalyst [(R)-BINOL + Cl2Ti(OiPr)2 + 4 A mol sieves] modified by addition of Mg and SiO2. Because
S Kumazawa et al.
Journal of bacteriology, 154(1), 185-191 (1983-04-01)
Whole cells of photoanaerobically grown Chromatium sp. strain Miami PBS1071, a marine sulfur purple bacterium, oxidized H2 in the dark through the oxyhydrogen reaction at rates of up to 59 nmol of H2 per mg (dry weight) per min. H2
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