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139353-88-1 - Tetra-n-butylammonium difluorotriphenylstannate, 97% - Gingras' Reagent - L20205 - Alfa Aesar

L20205 Tetra-n-butylammonium difluorotriphenylstannate, 97%

Codice CAS
139353-88-1
Sinonimi
Gingras' Reagent

Dimensioni Prezzo ($) Quantità Disponibilità
1g 48,20
5g 180,00
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Tetra-n-butylammonium difluorotriphenylstannate, 97%

MDL
MFCD00192465
EINECS
000-000-0

Proprietà chimiche

Formula
[CH3(CH2)3]4N[(C6H5)3SnF2]
Peso formula
630.50
Punto di fusione
188-191°
Sensibilità
Hygroscopic
Solubilità
Soluble in most organic solvents.

Applicazioni

Can be regarded as a non-hygroscopic anhydrous equivalent of TBAF useful in the preparation of gem-difluorides and the alkylation of enol silyl ethers. For use in the fluorination of carbohydrates.

Note

Hygroscopic. Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

Letteratura

Olivier Lefebvre, et al. Acetyltrimethylsilane, Trifluoromethyltrimethylsilane, and Prenyl Esters:? A Three-Component System for the Synthesis of gem-Difluoroanalogues of Monoterpenes.J. Org. Chem.,2001,66(12), 4348-4351.

Qi Qin, et al. Additive-controlled stereoselective glycosylations of 2,3-oxazolidinone protected glucosamine or galactosamine thioglycoside donors with phenols based on preactivation protocol.Carbohydr. Res.,2015,403104-114.

Can be regarded as a non-hygroscopic anhydrous equivalent of TBAF useful in the preparation of gem-difluorides: Synlett., 8, 587 (1993), and the alkylation of enol silyl ethers: Tetrahedron Lett., 32, 7381 (1991). For use in the fluorination of carbohydrates, see: Tetrahedron Asymmetry, 9, 213 (1998).

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H331-H302-H312-H400-H410

Toxic if inhaled. Harmful if swallowed. Harmful in contact with skin. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Dichiarazioni precauzionali: P261-P273-P280-P304+P340-P311-P301+P312-P312-P363-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
8668854
Classe di rischio
6.1
Gruppo di imballaggio
III
Codice tariffe armonizzato
2923.90
TSCA
No

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