推荐产品
蒸汽压
35 mmHg ( 37.7 °C)
质量水平
方案
99%
表单
liquid
折射率
n20/D 1.425 (lit.)
沸点
131-132 °C (lit.)
mp
−103 °C (lit.)
密度
0.751 g/mL at 25 °C (lit.)
SMILES字符串
CCCC#CCCC
InChI
1S/C8H14/c1-3-5-7-8-6-4-2/h3-6H2,1-2H3
InChI key
GZTNBKQTTZSQNS-UHFFFAOYSA-N
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一般描述
4-辛炔，也称为二丙基乙炔，可以作为有机合成中的多功能合成砌块。4-辛炔（在四氢呋喃中）的立体选择性半氢化反应动力学已有研究。
应用
4-辛炔，一种富电子的二烷基乙炔，可用于合成高度取代的1,3-二烯。
警示用语：
Danger
危险分类
Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3
靶器官
Respiratory system
储存分类代码
3 - Flammable liquids
WGK
WGK 3
闪点(°F)
84.2 °F - closed cup
闪点(°C)
29 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
Chengxiang Zhou et al.
The Journal of organic chemistry, 71(8), 3184-3191 (2006-04-08)
The Pd(II)-catalyzed reaction of arylboronic acids and internal alkynes provides a convenient route to a wide variety of tetrasubstituted olefins. The reaction is conducted in DMSO using molecular O2 as an oxidant in the absence of any base. The reaction
Alexander M Kluwer et al.
Journal of the American Chemical Society, 127(44), 15470-15480 (2005-11-03)
The kinetics of the stereoselective semi-hydrogenation of 4-octyne in THF by the highly active catalyst [Pd{(m,m'-(CF(3))(2)C(6)H(3))-bian}(ma)] (2) (bian = bis(imino)acenaphthene; ma = maleic anhydride) has been investigated. The rate law under hydrogen-rich conditions is described by r = k[4-octyne](0.65)[Pd][H(2)], showing
Cyclopentadienone synthesis by rhodium (I)-catalyzed [3+ 2] cycloaddition reactions of cyclopropenones and alkynes
PA Wender, et al.
Journal of the American Chemical Society, 128, 14814-14815 (2006)
Kelly E Aldrich et al.
Dalton transactions (Cambridge, England : 2003), 48(30), 11352-11360 (2019-07-10)
Highly dehydrated silica gel, SiO2700, gave a material with a total surface hydroxyl density of 0.31 ± 0.05 mmol g-1, 0.9 ± 0.1 Si-OH sites per nm2. Treatment of this material with Ti(NMe2)4 gave Ti(NMe2)3/SiO2700, which is 1.50% ± 0.07
Davide Albani et al.
Nature communications, 9(1), 2634-2634 (2018-07-08)
Ensemble control has been intensively pursued for decades to identify sustainable alternatives to the Lindlar catalyst (PdPb/CaCO3) applied for the partial hydrogenation of alkynes in industrial organic synthesis. Although the geometric and electronic requirements are known, a literature survey illustrates
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