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Potassium tert-pentoxide solution

ALDRICH/702757 - 2 M in THF

Synonym: Potassium tert-amylate; Potassium (2-methyl-2-butoxide); Potassium tert-pentylate

CAS Number: 41233-93-6
Empirical Formula (Hill Notation): C5H11KO
Molecular Weight: 126.24
MDL Number: MFCD00064808
Linear Formula: CH3CH2C(CH3)2OK
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-702757-100ML 100 mL
 $328.00
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45-702757-500ML 500 mL
 $1610.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 702757-100ML.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 702757-500ML.

 

concentration 2 M in THF
density 0.920 g/mL at 25 °C
form liquid
InChI 1S/C5H11O.K/c1-4-5(2,3)6;/h4H2,1-3H3;/q-1;+1
InChI key ZRLVQFQTCMUIRM-UHFFFAOYSA-N
Quality Level 100 
SMILES string [K+].CCC(C)(C)[O-]
Application: Potassium tert-pentoxide solution can be used as a base in the:• Wittig reaction of ketoesters with methyltriphenylphosphonium bromide to synthesize alkenes.
• Palladium-catalyzed Buchwald-Hartwig amination reaction.
It can also be used:• To prepare potassium tert-pentoxide-crown ether complexes, which is used as a Lewis base catalyst in Mukaiyama aldol reaction.
• As an activator for (difluoromethyl)trimethylsilane to generate difluoromethyl-carbanion which reacts with isothiocyanate to synthesize α, α-difluoromethyl thioamide.
Features and Benefits: In the absence of air and moisture, potassium tert-pentoxide solutions in benzene or toluene may be stored in a refrigerator for up to 1 year without significant deterioration.
General description: Potassiumtert-pentoxide solution is a strong and sterically hindered alkoxide baseprepared by treating oil-free potassium hydride with anhydrous t-pentylalcohol in anhydrous solvent.
Packaging: 100, 500 mL in glass bottle
Density 0.920 g/mL at 25 °C
UNSPSC 12352001

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