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A11471 Boron trifluoride-acetic acid complex,35-36.5% BF3

CAS-Nummer
373-61-5
Synonyme

Stock No. Größe Preis ($) Menge Verfügbarkeit
A11471-AK 250ml 50,40
A11471-AU 1000ml 143,00
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Boron trifluoride-acetic acid complex,35-36.5% BF3

MDL
MFCD00036359
EINECS
206-768-5

Chemische Eigenschaften

Formel
BF3•2CH3CO2H
Molmasse
187.91
Schmelzpunkt
-47°
Siedepunkt
143-146°
Flammpunkt
83°(181°F)
Dichte
1.353
Brechungsindex
1.3670
Storage & Sensitivity
Moisture Sensitive. Store under Nitrogen. Ambient temperatures.
Löslichkeit
It reacts with water.

Anwendungen

It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff. It is also used as a desilylating agent. It is also been used in the protodesilylation of the phenyl group as part of the conversion of the dimethylphenylsilyl group into a hydroxyl group with retention of configuration.

Bemerkungen

Keep container tightly closed in a dry and well-ventilated place. Store under inert gas. Stable, but moisture sensitive. Incompatible with water, moist air, metals, strong oxidizing agents. Store under dry atmosphere.

Literaturverweise

Masahito ochiai.; Kenzo sumi.; Eiichi fujita. Silicon-Assisted Ring Opening of Cyclopropyl Ketones with Boron Trifluoride-Acetic Acid Complex. Chemical and Pharmaceutical Bulletin. 1983, 31, (11), 3931-3938.

John v. Heid.; Robert levine. The Acylation of furan and thiophene with aliphatic anhydrides in the presence of boron trifluoride-etherate. J. Org. Chem. 1948, 13, (3), 409-412. Mild acid catalyst which has found use as a desilylating agent: Allylsilanes undergo desilylation, via ß-stabilized carbocations, to give alkenes with allylic rearrangement: Tetrahedron Lett., 446 (1979); J. Chem. Soc., Perkin 1, 3267 (1992). -Silyl tertiary alcohols undergo a pinacol-like rearrangement to give alkenes: Tetrahedron Lett., 22, 2321 (1981). Has been used in the protodesilylation of the phenyl group as part of the conversion of the dimethylphenylsilyl group into a hydroxyl group with retention of configuration: J. Chem. Soc., Perkin 1, 317 (1995). For reaction scheme, see Chlorodimethyl­phenyl­silane, A15638.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H227-H302-H314-H318

Combustible liquid. Harmful if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage.

Sicherheitshinweise: P210u-P260u-P303+P361+P353-P305+P351+P338-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dusts or mists. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
3686177
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2942.00
TSCA
Yes
RTECS
ED2280000

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