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Merck

328650

Sigma-Aldrich

叔丁醇钾 溶液

1.0 M in THF

别名:

2-甲基丙-2-醇钾溶液, 叔丁醇钾

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About This Item

线性分子式:
(CH3)3COK
CAS号:
分子量:
112.21
Beilstein:
3556712
MDL號碼:
分類程式碼代碼:
12352103
PubChem物質ID:
NACRES:
NA.23

形狀

liquid

品質等級

反應適用性

core: potassium

濃度

1.0 M in THF

密度

0.902 g/mL at 25 °C

SMILES 字串

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

InChI

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

InChI 密鑰

LPNYRYFBWFDTMA-UHFFFAOYSA-N

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一般說明

叔丁醇钾溶液是一种强非亲核碱。它能够使碳和其他布朗斯台德酸去质子化。叔丁醇中的试剂溶液可以通过使无水醇与钾在氮气氛中反应来制备。

應用

丁二氧化钾溶液(t-BuOK)可用于:
  • 作为菜籽油与乙酸甲酯酯化反应的催化剂。
  • 在温和条件下促进N-苯基氨基酸衍生的酰化铵的 Sommelet-Hauser 重排反应。
  • 作为化学气相沉积法合成 KNbO3 铁电薄膜的金属有机前驱体。
  • 制备 3-钾肟基吡啶催化剂。
  • 作为强醇基试剂。

訊號詞

Danger

危險分類

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

標靶器官

Central nervous system, Respiratory system

安全危害

儲存類別代碼

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

水污染物質分類(WGK)

WGK 1

閃點(°F)

-2.2 °F - closed cup

閃點(°C)

-19 °C - closed cup


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分析证书(COA)

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One-step methodology for the synthesis of FA picolinyl esters from intact lipids.
Destaillats F and Angers P
Journal of the American Oil Chemists' Society, 79(3), 253-256 (2002)
Hajime Ito et al.
Chemical communications (Cambridge, England), 48(64), 8006-8008 (2012-07-10)
The regio- and diastereoselective silaboration of aromatic alkenes with a silylboron compound proceeds in the presence of a catalytic amount of potassium tert-butoxide, providing a complementary method to the corresponding transition metal-catalyzed reactions.
Aurélie Mallinger et al.
The Journal of organic chemistry, 74(3), 1124-1129 (2008-12-24)
3-Aryltetronic acids were prepared in one step by treatment of a mixture of methyl arylacetates and methyl hydroxyacetates with potassium tert-butoxide, via tandem transesterification/Dieckmann condensation. Several mushroom or lichen pigments, vulpinic acids, were synthesized from 3-(4-methoxyphenyl)tetronic acid in three steps
Scott E Denmark et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 12(19), 4954-4963 (2006-05-04)
This paper chronicles the conceptual development, proof of principle experiments, and recent advances in the palladium-catalyzed cross-coupling reactions of the conjugate bases of organosilanols. The discovery that led to the design and refinement of this process represents a classical illustration
Subhadip De et al.
Organic letters, 14(17), 4466-4469 (2012-08-16)
A transition-metal-free intramolecular dehydrohalide coupling via intramolecular homolytic aromatic substitution (HAS) with aryl radicals has been developed in the presence of potassium tert-butoxide and an organic molecule as the catalyst. The methodology has been applied to a concise synthesis of

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