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CAS RN: 1443036-49-4 | Product Number: P2143


Purity: >98.0%(HPLC)
  • Shibata Reagent II
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* The storage conditions are subject to change without notice.

Product Number P2143
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__1__5H__1__0F__3IO__3S = 454.20  
Physical State (20 deg.C) Solid
Storage Temperature <0°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Light Sensitive,Air Sensitive,Heat Sensitive
CAS RN 1443036-49-4
Reaxys Registry Number 23755623
PubChem Substance ID 253660511
Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Properties (reference)
Melting Point 104 °C(dec.)
Solubility (soluble in) Methanol
Pictogram Pictogram
Signal Word Danger
Hazard Statements H314 : Causes severe skin burns and eye damage.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P260 : Do not breathe dusts or mists.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P363 : Wash contaminated clothing before reuse.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
P405 : Store locked up.
Related Laws:
Transport Information:
UN Number UN1759
Class 8
Packing Group II
H.S.code* 2931.90-000
*This code is applied to the products when TCI exports from Japan and not for import in your country.
A Novel Electrophilic-Type Trifluoromethylthiolation Reagent, Shibata Reagent II


Typical Procedure (trifluoromethylthiolation of enamines, R1 = Bn, R2 = Me, R3 = OMe): To a mixture of (Z)-methyl 3-(benzylamino)-2-butenoate (30.8 mg, 0.15 mmol) and Shibata reagent II (136 mg, 0.3 mmol) in 1,4-dioxane (0.75 mL), Cu(I)Cl (5.7 mg, 0.03 mmol) is added. The resulting mixture is stirred over 5 minutes at room temperature and then filtered through a short plug of Celite. The filtrate is concentrated under reduced pressure and purified through flash column chromatography on silica gel (eluent: hexane/ethyl acetate) to afford (E)-methyl 3-(benzylamino)-2-((trifluoromethyl)thio)-2-butenoate as a slightly yellow semi-solid (42.1 mg, 92% yield).


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