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Merck
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문서

328650

Sigma-Aldrich

Potassium tert-butoxide solution

1.0 M in THF

동의어(들):

Potassium tert-butylate, Potassium-2-methylpropan-2-olate solution

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About This Item

Linear Formula:
(CH3)3COK
CAS Number:
865-47-4
Molecular Weight:
112.21
Beilstein:
3556712
MDL number:
MFCD00012162
UNSPSC 코드:
12352103
PubChem Substance ID:
24859391
NACRES:
NA.23

형태

liquid

Quality Level

200

반응 적합성

core: potassium

농도

1.0 M in THF

density

0.902 g/mL at 25 °C

SMILES string

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

InChI

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

InChI key

LPNYRYFBWFDTMA-UHFFFAOYSA-N

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관련 카테고리

일반 설명

Potassium tert-butoxide solution is a strong non nucleophilic base. It is capable of deprotonating carbon and other Bronsted acids. Reagent solutions in tert-BuOh may be prepared by reacting anhydrous alcohol with potassium in nitrogen atmosphere.

애플리케이션

Potassium tert-butoxide solution(t-BuOK) can be used:
  • As a catalyst for the interesterification of rapeseed oil with methyl acetate.
  • To promote Sommelet–Hauser rearrangements of N-benzylic amino acid-derived ammonium ylides under mild conditions.
  • As a metal-organic precursor in the synthesis of KNbO3 ferroelectric films by the chemical vapor deposition method.
  • To prepare 3-potassiooxamethylpyridine catalyst.
  • As a strong alkoxide base reagent.

신호어

Danger

유해 및 위험 성명서

H225,H302,H314,H335,H336,H351

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 3

표적 기관

Central nervous system, Respiratory system

보충제 위험성

EUH014,EUH019

Storage Class Code

4.3 - Hazardous materials which set free flammable gases upon contact with water

WGK

WGK 1

Flash Point (°F)

-2.2 °F - closed cup

Flash Point (°C)

-19 °C - closed cup

시험 성적서(COA)

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Eiji Tayama et al.
Organic & biomolecular chemistry, 6(20), 3673-3680 (2008-10-10)
The Stevens rearrangement of N-allylic alpha-aryl amino acid-derived ammonium salts and the Sommelet-Hauser rearrangement of N-benzylic alpha-alkyl amino acid-derived ammonium salts are shown to proceed with remarkably high levels of diastereoselectivity. The methods presented in this work provide new routes
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Bioresource technology, 114, 1-5 (2012-04-03)
The effects of solvents with different log P values, and of lipases on the synthesis of water-soluble plant stanol derivatives were investigated. Results showed that conversion in solvents with log P<0.37 was mainly controlled by the hydrophobicity of the solvent
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Biomaterials, 23(22), 4345-4352 (2002-09-11)
Several homopolymers and copolymers of 2-(diethylamino)ethyl methacrylate (DEAEM) and poly(ethylene glycol) methyl ether methacrylate (PEGMEM) were synthesized using anionic polymerization initiated by potassium t-butoxide. The polymers were characterized by average molecular weight, polydispersity and monomeric unit composition. A very narrow
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Nature chemistry, 2(12), 1044-1049 (2010-11-26)
The direct functionalization of C-H bonds has drawn the attention of chemists for almost a century. C-H activation has mainly been achieved through four metal-mediated pathways: oxidative addition, electrophilic substitution, σ-bond metathesis and metal-associated carbene/nitrene/oxo insertion. However, the identification of
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