60098
Potassium tert-butoxide
≥97.0% (T)
Synonym(s):
Potassium tert-butylate, Potassium t-butoxide
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About This Item
Linear Formula:
(CH3)3COK
CAS Number:
Molecular Weight:
112.21
Beilstein:
3556712
EC Number:
MDL number:
UNSPSC Code:
12352000
PubChem Substance ID:
Recommended Products
vapor pressure
1 mmHg ( 220 °C)
Assay
≥97.0% (T)
form
solid
impurities
≤2% K2(CO)3 and KOH
mp
256-258 °C (dec.) (lit.)
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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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 2 - Skin Corr. 1A
Supplementary Hazards
Storage Class Code
4.2 - Pyrophoric and self-heating hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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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Alpha-fluoro-alpha-aryl-ketones were synthesized by the Pd-catalyzed cross-coupling of aryl bromides with either alpha-fluoroketones or their corresponding silyl enol ethers. The direct arylation with an alpha-fluoroketone requires a strong base, such as potassium tert-butoxide, and under these conditions the presence of
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Potassium tert-butoxide-mediated intramolecular α-arylations of fluoro- and chloro-substituted anilides provide oxindoles in DMF at 80 °C. In this manner, diversely substituted products have been obtained in moderate to high yields.
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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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