370207
4,6-二甲基-2-吡喃酮
98%
别名:
4,6-二甲基-2H-吡喃-2-酮
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关于此项目
经验公式（希尔记法）:
C7H8O2
化学文摘社编号:
分子量:
124.14
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
211-618-7
MDL number:
产品名称
4,6-二甲基-2-吡喃酮, 98%
InChI key
IXYLIUKQQQXXON-UHFFFAOYSA-N
InChI
1S/C7H8O2/c1-5-3-6(2)9-7(8)4-5/h3-4H,1-2H3
SMILES string
CC1=CC(C)=CC(=O)O1
assay
98%
form
solid
mp
48-50 °C (lit.)
functional group
ester
Quality Level
Gene Information
human ... CYP1A2(1544)
Application
4,6-Dimethyl-α-pyrone (Me21) has been used in the preparation of G4C{Me21} via reacting with tetra-p-sulfocalix[4]arene (C) and guanidine hydrochloride (GCl). It may be used in the preparation of host-guest complex G4C{Me21} by reacting with crystalline guanidinium-sulfonate-calixarene (G4C). This complex on UV irradiation afforded 1,3-dimethylcyclobutadiene (Me2CBD).
General description
4,6-Dimethyl-α-pyrone was immobilized in a guanidinium-sulfonate-calixarene (G4C) crystalline network, which upon exposure to ultraviolet irradiation, transforms the entrapped 4,6-dimethyl-α-pyrone into a 4,6-dimethyl-β-lactone. Thin solid films layers of 4,6-dimethyl-α-pyrone on UV irradiation at -190°C were investigated.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Yves-Marie Legrand et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(36), 10021-10028 (2011-09-08)
Cyclobutadiene (CBD), the smallest cyclic hydrocarbon bearing conjugated double bonds, has long intrigued chemists because of its chemical characteristics. The question of whether the molecule could be prepared at all has been answered, but the parent compound and its unperturbed
4, 6-Dimethyl-a-pyrone: a matrix isolation study of the photochemical generation of conjugated ketene, Dewar valence isomer and 1, 3-dimethyl-cyclobutadiene.
Breda S, et al.
Journal of Photochemistry and Photobiology A: Chemistry, 162(1), 139-151 (2004)
Single-crystal X-ray structure of 1,3-dimethylcyclobutadiene by confinement in a crystalline matrix.
Yves-Marie Legrand et al.
Science (New York, N.Y.), 329(5989), 299-302 (2010-07-22)
Cyclobutadiene (CBD), the smallest cyclic hydrocarbon bearing conjugated double bonds, has long intrigued chemists on account of its strained geometry and electronic instability, but the parent compound and its unperturbed derivatives have thus far eluded crystallographic characterization. In this work
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