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N,N-二异丙基乙胺,N,N-Diisopropylethylamine [DIPEA];99.5%, biotech. grade

别名:N,N-二异丙基胺;N,N-二异丙基碳二亚胺;N-乙基二异丙胺:二异丙基乙胺; ‘Hünig’s base’, N-Ethyldiisopropylamine, DIPEA, Ethyldiisopropylamine

线性分子式: [(CH3)2CH]2NC2H5 CAS号: 7087-68-5 分子量: 129.24 EC 号: 230-392-0 MDL编号: MFCD00008868 PubChem化学物质编号: 329757490 NACRES: NA.21
制造商品牌: 西格玛 Sigma-Aldrich
货号(SKU): 496219
CAS号: 7087-68-5
MDL号: MFCD00008868
技术支持 √ 增值税发票 √ 免费送货 √ 质量保障 √
¥946.00

说明

N,N-二异丙基乙胺是一种受阻的非亲核胺碱,用于烷基化、醛醇样反应、消除和烯醇酸盐的选择性生成。它被广泛用作有机合成中的质子清除剂。由于其亲核性较低,因此产生的副产物较少。
N,N-二异丙基乙胺是一种受阻的非亲核胺碱,用于烷基化、醛醇样反应、消除和烯醇酸盐的选择性生成。它被广泛用作有机合成中的质子清除剂。由于其亲核性较低,因此产生的副产物较少。

一般描述

NN-Diisopropylethylamine is a hindered non-nucleophilic amine base used in alkylation, aldol-like reactions, eliminations, and selective generation of enolates. It is widely used as a proton scavenger in organic synthesis. Due to its less nucleophilic nature, it produces less byproducts.
N, N-Diisopropylethylamine is a hindered non-nucleophilic amine base used in alkylation, aldol-like reactions, eliminations, and selective generation of enolates. It is widely used as a proton scavenger in organic synthesis. Due to its less nucleophilic nature, it produces less byproducts.
 

应用

N,N-二异丙基乙胺可用于甘露醇化卵清蛋白肽的合成。[1]
NN-Diisopropylethylamine can be used as a base:
  • In the palladium (0)-catalyzed alkoxy carbonylation of allyl phosphates and acetate.
  • In the selective enolate formation along with boryl triflates.
  • In the C–N coupling of aryl halides with nitroarenes in the presence of nickel catalyst.
 

属性

等级

biotech. grade

质量水平

蒸汽压

31 mmHg ( 37.7 °C)

测定

99.5%

形式

liquid

杂质

<0.050% water

颜色

APHA: <20

折射率

n20/D 1.414 (lit.)

pH值(酸碱度)

12.3 (20 °C)

bp

127 °C (lit.)

mp

<−50 °C (lit.)

溶解性

water: soluble 4.01 g/L at 20 °C

密度

0.742 g/mL at 25 °C (lit.)

application(s)

peptide synthesis

SMILES string

CCN(C(C)C)C(C)C

InChI

1S/C8H19N/c1-6-9(7(2)3)8(4)5/h7-8H,6H2,1-5H3

InChI key

JGFZNNIVVJXRND-UHFFFAOYSA-N

 

安全信息

警示用语:

Danger

危险分类

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Flam. Liq. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(F)

49.1 °F

闪点(C)

9.5 °C

个人防护装备

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 33 | 欧洲Eur. ≥ 27 | 東京Tokyo ≥ 9 | 香港与北京 ≥ 16
商品标签 [tags]