702757
叔戊氧基钾 溶液
2 M in THF
别名:
2-甲基-2-丁醇钾, 叔戊醇钾
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关于此项目
线性分子式:
CH3CH2C(CH3)2OK
化学文摘社编号:
分子量:
126.24
UNSPSC Code:
12352001
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
4149025
产品名称
叔戊氧基钾 溶液, 2 M in THF
InChI
1S/C5H11O.K/c1-4-5(2,3)6;/h4H2,1-3H3;/q-1;+1
SMILES string
[K+].CCC(C)(C)[O-]
InChI key
ZRLVQFQTCMUIRM-UHFFFAOYSA-N
form
liquid
concentration
2 M in THF
density
0.920 g/mL at 25 °C
Quality Level
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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.
- 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.
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3
target_organs
Central nervous system, Respiratory system
supp_hazards
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
1.4 °F - Solvent
flash_point_c
-17 °C - Solvent
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
危险化学品
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