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Chloro-N,N,N',N'-tetramethylformamidinium Hexafluorophosphate
(CAS RN:94790-35-9 Product Number:C1957)

Structure

Chloro-N,N,N',N'-tetramethylformamidinium Hexafluorophosphate
Synonym TCFH

General Information

Product Number C1957

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Purity/Analysis Method >98.0%(N)
Storage Temperature <0°C
M.F. / M.W. C5H12ClF6N2P=280.58
CAS RN 94790-35-9
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MDL Number
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Specification

Purity(with Total Nitrogen) min. 98.0 %

References

Reaxys-RN 7896715
PubChem SID 87558395

GHS

Pictogram
Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

HS Number 2931399090

Application

A Condensation Reagent for Hindered Carboxylic Acids and Low-nucleophilic Amines

C1957_01

Experimental procedure: 2-Methyl-2-phenylpropanoic acid (0.250 g, 1.52 mmol), 4-aminobenzonitrile (0.234 g, 1.98 mmol) and N-methylimidazole (0.42 mL, 5.33 mmol) in acetonitrile are added with chloro-N,N,N',N'-tetramethylformamidinium hexafluorophosphate (0.517 g, 1.83 mmol) in a single portion. After reaction, the reaction mixture is diluted with isopropyl acetate and water. The layers are separated, the aqueous layer is extracted with isopropyl acetate and the combined organics are washed with water, dried wover magnesium sulfate. The mixtute is filtered and concentrated, and then is purified by silica gel chromatography (heptane/isopropyl acetate) to give N-(4-cyanophenyl)-2-methyl-2-phenylpropanamide (374 mg, 93% yield) as a white solid.

References

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