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Merck
CN

8.04918

Sigma-Aldrich

Potassium tert-butylate

for synthesis

别名:

Potassium tert-butylate

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关于此项目

线性分子式:
(CH3)3COK
化学文摘社编号:
分子量:
112.21
MDL编号:
UNSPSC代码:
12352107
EC索引号:
212-740-3
NACRES:
NA.22
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等级

synthesis grade

质量水平

蒸汽压

0.02 hPa ( 20 °C)

方案

≥98.0% (acidimetric)

表单

powder

自燃温度

483 °C

pH值(酸碱度)

13 (20 °C, 5 g/L in H2O, Hydrolysis)

mp

256-258 °C

密度

1.19 g/cm3 at 20 °C

堆积密度

500 kg/m3

储存温度

2-30°C

SMILES字符串

[K+].[O-]C(C)(C)C

InChI

1S/C4H9O.K/c1-4(2,3)5;/h1-3H3;/q-1;+1

InChI key

LPNYRYFBWFDTMA-UHFFFAOYSA-N

一般描述

Potassium tert-butylate (Potassium tert-Butoxide) is a strong, non-nucleophilic alkoxide base in organic chemistry. Potassium tert-butoxide catalyzes the reaction of hydro silanes and heterocyclic compounds to generate the silyl derivatives. It is used to catalyze the Michael addition reaction, Ramberg-Baecklund reaction, Pinacol rearrangement.

应用

Potassium tert-butylate is used to catalyzes the Michael addition reaction.

分析说明

Assay (acidimetric): ≥ 98,0 %(m)
Free KOH: ≤ 1 %(m)
Identity (IR): conforms

象形图

FlameCorrosion

警示用语:

Danger

危险分类

Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 2 - Skin Corr. 1A - Water-react 1

补充剂危害

储存分类代码

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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Synthesis of N-substituted quaternary carbon centers through KO t-Bu-catalyzed aza-Michael addition of pyrazoles to cyclic enones
Yoon S, et al.
Organic & Biomolecular Chemistry, 20(42), 8313-8322 (2022)
Anton A Toutov et al.
Nature, 518(7537), 80-84 (2015-02-06)
Heteroaromatic compounds containing carbon-silicon (C-Si) bonds are of great interest in the fields of organic electronics and photonics, drug discovery, nuclear medicine and complex molecule synthesis, because these compounds have very useful physicochemical properties. Many of the methods now used

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