247383

Bortribromid-dimethylsulfid-Komplex -Lösung

1.0 M in methylene chloride

• Synonym(e): Dimethylsulfid-Tribromboran, Tribromboran-methylsulfid
• Lineare Formel: (CH₃)₂S·BBr₃
• CAS-Nummer: 29957-59-3
• Molekulargewicht: 312.66
• MDL-Nummer: MFCD00043296
• UNSPSC-Code: 12352101
• PubChem Substanz-ID: 24854866
• NACRES: NA.22

Eigenschaften

• Form: liquid
• Qualitätsniveau: 100
• Konzentration: 1.0 M in methylene chloride
• Dichte: 1.456 g/mL at 25 °C
• Funktionelle Gruppe: thioether
• SMILES String: C[S+](C)[B-](Br)(Br)Br
• InChI: 1S/C2H6BBr3S/c1-7(2)3(4,5)6/h1-2H3
• InChIKey: NCVLHAUANAMSTL-UHFFFAOYSA-N

Beschreibung

Anwendung

Boron tribromide dimethyl sulfide complex (BBr₃S(CH₃)₂) can be used as a reagent:

• To prepare demethylated products from aryl methyl ethers by deprotection of methyl groups.
• To hydrolyze 1,3-methylenedioxole ring compounds to 1,2-dihydroxy compounds.
• To prepare benzyl S,S′-diphenyl acetal by reacting with phenylacetic acid and thexylphenylthioborane.
• To synthesize Baylis−Hillman adducts and α-halomethyl enones by the reaction between aldehydes and 3-buten-2-one.

Reactant for preparation of:

• Precursor of HIV protease inhibitor KNI 764 using cation-exchange resin mediated Mannich reaction

Reagent for:

• Baylis-Hillman reactions

Sicherheitshinweise

• Piktogramme: GHS08,GHS05,GHS07
• Signalwort: Danger
• H-Sätze: H314,H336,H351
• P-Sätze: P202 - P261 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Carc. 2 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
• Zielorgane: Central nervous system
• Zusätzliche Gefahrenhinweise: EUH014
• Lagerklassenschlüssel: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable