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Merck
CN

110930

Sigma-Aldrich

3-甲基-1,2-丁二烯

97%

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别名:
1,1-二甲基丙二烯
线性分子式:
(CH3)2C=C=CH2
CAS号:
分子量:
68.12
Beilstein:
1697090
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22

蒸汽压

6.87 psi ( 20 °C)

质量水平

检测方案

97%

折射率

n20/D 1.419 (lit.)

bp

40-41 °C (lit.)

mp

−148 °C (lit.)

密度

0.694 g/mL at 25 °C (lit.)

储存温度

2-8°C

SMILES字符串

CC(C)=C=C

InChI

1S/C5H8/c1-4-5(2)3/h1H2,2-3H3

InChI key

PAKGDPSCXSUALC-UHFFFAOYSA-N

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应用

3-Methyl-1,2-butadiene (1,1-dimethylallene) has been used to study the photo-induced reaction of 1,1-dimethylallene with the cyanoarenes 1,2,4,5-tetracyanobenzene, 1,4-dicyanobenzene and 1,4-dicyanonaphthalene in the presence of methanol as nucleophile.

警示用语:

Danger

危险分类

Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

WGK

WGK 3

闪点(°F)

10.4 °F

闪点(°C)

-12 °C

个人防护装备

Eyeshields, Faceshields, Gloves

法规信息

危险化学品

分析证书(COA)

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The electron transfer photochemistry of allenes with cyanoarenes. Photochemical nucleophile?olefin combination, aromatic substitution (photo-NOCAS) and related reactions.
Mangion D, et al.
J. Chem. Soc. Perkin Trans. II, 1, 48-60 (2001)
Shaochen Zhang et al.
Science (New York, N.Y.), 364(6435), 45-51 (2019-04-06)
Accessing enantiomerically enriched amines often demands oxidation-state adjustments, protection and deprotection processes, and purification procedures that increase cost and waste, limiting applicability. When diastereomers can be formed, one isomer is attainable. Here, we show that nitriles, largely viewed as insufficiently

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