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CAS RN: 503596-47-2 | Product Number: T3773

(Triphenylmethyl)thionyl Imide


Purity: >97.0%(GC)
Synonyms:
  • Tritylthionyl Imide
  • TrNSO
Documents:
1G
€69.00
1   3  
5G
€237.00
2   6  

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Product Number T3773
Purity / Analysis Method >97.0%(GC)
Molecular Formula / Molecular Weight C__1__9H__1__5NOS = 305.40  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive
CAS RN 503596-47-2
Specifications
Appearance White to Light yellow powder to crystal
Purity(GC) min. 97.0 %
Melting point 96.0 to 100.0 °C
Properties (reference)
Melting Point 98 °C
GHS
Related Laws:
Transport Information:
HS Number 2930909899
Application
TrNSO : A Versatile sulfonimidoylating agent

TrNSO (50.0 mg, 0.164 mmol) is dissolved in THF (1 mL). The reaction is cooled to 0 °C. Grignard reagent (0.164 mmol, 1.0 eq.) is added dropwise and the mixture is stirred for 5 min. Tert-butyl hypochlorite (19.5 μL, 0.172 mmol, 1.05 eq.) is added in the dark and the mixture is stirred for 15 min prior to addition of triethylamine (23 μL, 0.164 mmol, 1.0 eq.) and the corresponding amine (1.0-1.2 eq.). The reaction mixture is stirred at room temperature for 16 h. Methanesulfonic acid (53 μL, 0.819 mmol, 5.0 eq.) is added and the reaction is stirred vigorously for 15 min at room temperature before dilution with CH2Cl2. The solution is washed with saturated aqueous sodium bicarbonate solution, then the layers are separated and the aqueous phase is extracted with CH2Cl2 × 3 times. The combined organic layers are concentrated in vacuo. Purification by silica gel flash chromatography affords the desired sulfonimidamide.

References


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