145491
2,3-二甲基-1,3-丁二烯
98%, contains 100 ppm BHT as stabilizer
别名:
2,3-二甲基丁烷, 2,3-二甲基丁烷-1,2-二烯, 二异丙烯基
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关于此项目
线性分子式:
CH2=C(CH3)C(CH3)=CH2
化学文摘社编号:
分子量:
82.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-172-0
Beilstein/REAXYS Number:
605285
MDL number:
产品名称
2,3-二甲基-1,3-丁二烯, 98%, contains 100 ppm BHT as stabilizer
InChI key
SDJHPPZKZZWAKF-UHFFFAOYSA-N
InChI
1S/C6H10/c1-5(2)6(3)4/h1,3H2,2,4H3
SMILES string
CC(=C)C(C)=C
vapor pressure
269 mmHg ( 37.7 °C)
assay
98%
form
liquid
contains
100 ppm BHT as stabilizer
refractive index
n20/D 1.438 (lit.)
bp
68-69 °C (lit.)
mp
−76 °C (lit.)
density
0.726 g/mL at 25 °C (lit.)
storage temp.
2-8°C
Quality Level
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Application
用扫描隧道显微镜和傅里叶变换红外光谱研究了 1，3-二烯在 Si (001) 表面的反应。
它可用于以下过程：
它可用于以下过程：
- 在钴催化剂存在下通过 1，4-氢化丁二烯基化制备相应的的 1-芳基取代 1，3-二烯的 1，3，6-三烯衍生物。
- 与 gem-氰基硝基乙烯反应合成 6-芳基（杂环芳基）-3,4-二甲基-1-硝基-1-氰基-3-环己烯。
- 在研究 2，5-二苯基特鲁洛芬的二溴加合物的光解反应过程中，作为卤素捕集器。
General description
2,3-二甲基-1,3-丁二烯 (DMBD) 是一种共轭二烯。它与 2-硫代-3-氯丙烯酰胺在热、催化和微波条件下发生 Diels Alder 环加成反应。在无溶剂条件下与 3-乙酰基、3-氨基甲酰基和 3-乙氧基羰基香豆素发生热 [4 + 2] 环加成反应。在二氯化铁基催化剂存在下，DMBD 参与聚合反应。
signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
30.2 °F - closed cup
flash_point_c
-1 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
此项目有
Efficient halogen photoelimination from dibromo, dichloro and difluoro tellurophenes.
Carrera EI and Seferos DS.
Dalton Transactions, 44(5), 2092-2096 (2015)
Marie Kissane et al.
Organic & biomolecular chemistry, 8(24), 5602-5613 (2010-10-12)
The Diels-Alder cycloadditions of cyclopentadiene and 2,3-dimethyl-1,3-butadiene to a range of 2-thio-3-chloroacrylamides under thermal, catalytic and microwave conditions is described. The influence of reaction conditions on the outcome of the cycloadditions, in particular the stereoselectivity and reaction efficiency, is discussed.
Peroxy radical kinetics resulting from the OH-initiated oxidation of 1,3-butadiene, 2,3-dimethyl-1,3-butadiene and isoprene.
Jenkin ME, et al.
Journal of Atmospheric Chemistry, 29(3), 267-298 (1998)
Irma Y Flores-Larios et al.
Molecules (Basel, Switzerland), 15(3), 1513-1530 (2010-03-26)
The thermal [4+2] cycloadditions of 3-acetyl-, 3-carbamoyl, and 3-ethoxycarbonylcoumarins with 2,3-dimethyl-1,3-butadiene under solvent free conditions are reported, as well as the epoxidation reactions of some adducts. Discussion is focused on the structural features of the Diels-Alder adducts and their epoxides
Cycloaddition chemistry of 1, 3-dienes on the silicon (001) surface: Competition between [4+ 2] and [2+ 2] reactions.
Hovis JS, et al.
The Journal of Physical Chemistry B, 102(35), 6873-6879 (1998)
商品
The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.
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