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245771

Sigma-Aldrich

异丁酸酐

97%

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别名:
2-甲基丙酸酐
线性分子式:
(CH3)2CHCO2COCH(CH3)2
CAS号:
97-72-3
分子量:
158.19
Beilstein:
386267
EC 号:
202-603-6
MDL编号:
MFCD00008913
PubChem化学物质编号:
24854757
NACRES:
NA.22

蒸汽密度

5.45 (vs air)

质量水平

200

蒸汽压

10 mmHg ( 67 °C)

检测方案

97%

形式

liquid

自燃温度

624 °F

expl. lim.

1.09 %, 87 °F
7.7 %, 127 °F

折射率

n20/D 1.406 (lit.)

bp

182 °C (lit.)

mp

−56 °C (lit.)

密度

0.954 g/mL at 25 °C (lit.)

SMILES string

CC(C)C(=O)OC(=O)C(C)C

InChI

1S/C8H14O3/c1-5(2)7(9)11-8(10)6(3)4/h5-6H,1-4H3

InChI key

LSACYLWPPQLVSM-UHFFFAOYSA-N

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一般描述

4-吡咯烷基吡啶作为催化剂，异丁酸酐与1-（1-萘基）乙醇的酯化机理已有研究。

应用

在C2-对称手性-4-吡咯烷基吡啶作为催化剂的情况下，异丁酸酐可用于通过与辛基-β-D-吡喃葡萄糖苷反应合成4-O-异丁酰基衍生物。

象形图

CorrosionSkull and crossbones
GHS05,GHS06

警示用语：

Danger

危险声明

H301 + H311 - H314

危险分类

Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Skin Corr. 1B

储存分类代码

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

闪点(°F)

154.4 °F - closed cup

闪点(°C)

68 °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

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Takeo Kawabata et al.
Journal of the American Chemical Society, 129(42), 12890-12895 (2007-10-02)
An organocatalytic method for the chemo- and regioselective acylation of monosaccharides has been developed. Treatment of octyl beta-D-glucopyranoside with isobutyric anhydride in the presence of 10 mol % of a C2-symmetric chiral 4-pyrrolidinopyridine catalyst (1) at -50 degrees C gave
Evgeny Larionov et al.
Journal of the American Chemical Society, 134(22), 9390-9399 (2012-05-10)
The mechanism of esterification of the secondary alcohol 1-(1-naphthyl)ethanol 9 by isobutyric anhydride catalyzed by 4-pyrrolidinopyridine (PPY, 11) and a series of single enantiomer atropisomeric 4-dialkylaminopyridines 8a-g has been studied computationally at the B3LYP/6-311+G(d,p)//B3LYP/6-31G(d) level. Comparison of the levels of
Bin Wang et al.
Chemistry, an Asian journal, 10(8), 1690-1697 (2015-06-03)
Hyperbranched polyethylenimine terminated with isobutyramide groups (HPEI-IBAm), 4-(phenylazo)benzoic acid (PABA), and α-cyclodextrin (α-CD) were assembled together at pH≈7 to form the three-component supramolecular complexes that were verified by (1) H and 2D ROESY (1) H NMR spectroscopy. UV/Vis spectrometric titration experiments
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Rosamaria Capuano et al.
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