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370207

Sigma-Aldrich

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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About This Item

经验公式（希尔记法）:
C7H8O2
CAS号:
675-09-2
分子量:
124.14
EC 号:
211-618-7
MDL编号:
MFCD00075555
UNSPSC代码:
12352100
PubChem化学物质编号:
24863064
NACRES:
NA.22

质量水平

100

方案

98%

表单

solid

mp

48-50 °C (lit.)

官能团

ester

SMILES字符串

CC1=CC(C)=CC(=O)O1

InChI

1S/C7H8O2/c1-5-3-6(2)9-7(8)4-5/h3-4H,1-2H3

InChI key

IXYLIUKQQQXXON-UHFFFAOYSA-N

基因信息

human ... CYP1A2(1544)

相关类别

一般描述

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.

应用

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).

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCX0913
MKCS3772
MKCS3771
MKCP3942
MKCN2743

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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)
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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