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| CAS No.: | 25596-24-1 |
|---|---|
| Name: | TRIMETHYLSULFOXONIUM BROMIDE |
| Molecular Structure: | |
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| Formula: | C3H9 O S . Br |
| Molecular Weight: | 173.074 |
| Synonyms: | Trimethylsulfoxonium bromide;Trimethyloxosulfoniumbromide; |
| Density: | 1.440 (estimate) |
| Hazard Symbols: |
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| Safety: | Thermal decompositon at 180°C results in vigorous, potentially dangerous release of vapor. Solutions in dimethyl sulfoxide decompose similarly at 74-80°C. When heated to decomposition it emits toxic fumes of Br− and SOx. See also BROMIDES. |
| PSA: | 36.28000 |
| LogP: | -2.62070 |
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beryllium(II) chloride
- 25596-24-1
trimethyloxosulfonium bromide
| Conditions | Yield |
|---|---|
| With sodium hydride In tetrahydrofuran THF soln. of Me2SOCH2 prepd. from mixt. of Me3SO(1+)Br(1-) and NaH in dry THF, to this soln. added BeCl2, stirred for 5 d at room temp.; pptd. complex filtered, washed with pentane, dried under vac.; elem. anal.; | 88.8% |
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(triphenylphosphine)gold(I) chloride
- 25596-24-1
trimethyloxosulfonium bromide
- 111800-89-6, 110923-62-1
bis(dimethylsulfoxonium methylide)gold(I) chloride
| Conditions | Yield |
|---|---|
| With sodium hydride In tetrahydrofuran byproducts: hydrogen; Me2SOCH2 prepd. by refluxing mixt. of Me3SO(1+)Br(1-) and NaH in dry THF under N2 until evolution of H2 ceased, cooled, filtered under N2, to resulting soln. added Ph3PAuCl, stirred for 3 h at room temp.; pptd. complex filtered, washed with dry pentane, dried under vac.; elem. anal.; | 85.5% |
| Conditions | Yield |
|---|---|
| With potassium tert-butylate In dimethyl sulfoxide at 60℃; for 5.33333h; | 85.1% |
| Conditions | Yield |
|---|---|
| Stage #1: vitamin B12 With sodium tetrahydroborate; cobalt(II) chloride In water; butanone at 30 - 50℃; for 1.5 - 2.5h; Stage #2: trimethyloxosulfonium bromide at 15 - 50℃; | 85% |
| Conditions | Yield |
|---|---|
| Stage #1: cyanocobalamin With sodium tetrahydroborate; cobalt(II) chloride In water; butanone at 30 - 50℃; for 1.66667 - 2.5h; Stage #2: trimethyloxosulfonium bromide In water; butanone at 15 - 50℃; | 85% |
| Conditions | Yield |
|---|---|
| Stage #1: trimethyloxosulfonium bromide With sodium hydroxide In dimethyl sulfoxide at 0 - 20℃; for 0.5h; Stage #2: 2-chlorobenzyl 4-fluorophenyl ketone In dimethyl sulfoxide at 40℃; for 12h; | 85% |
| Conditions | Yield |
|---|---|
| Stage #1: trimethyloxosulfonium bromide With sodium hydride In dimethyl sulfoxide at 0 - 20℃; for 0.5h; Stage #2: C14H9BrClFO In dimethyl sulfoxide at 40℃; for 12h; | 85% |
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- 25596-24-1
trimethyloxosulfonium bromide
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| Conditions | Yield |
|---|---|
| With sodium hydroxide In 1-methyl-pyrrolidin-2-one at 110℃; for 5h; Reagent/catalyst; Solvent; Temperature; Flow reactor; Inert atmosphere; | 85% |
- 41253-21-8
sodium triazole
- 25596-24-1
trimethyloxosulfonium bromide
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2-(4-chlorobenzyl)-8,8-dimethyl-1-(1H-1,2,4-triazol-1-yl methyl)-7,9-dioxaspiro[4,5]decan-1-ol
| Conditions | Yield |
|---|---|
| With sodium hydroxide In N,N-dimethyl acetamide; water at 65 - 85℃; for 9h; Reagent/catalyst; Time; Temperature; | 82% |
| Stage #1: 2-(4-chlorobenzyl)-8,8-dimethyl-7,9-dioxaspiro[4,5]decan-1-one; sodium triazole; trimethyloxosulfonium bromide In N,N-dimethyl acetamide at 85℃; for 0.833333h; Stage #2: With sodium methylate In methanol; N,N-dimethyl acetamide for 0.833333h; Reagent/catalyst; | 78.2% |
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Specification
Trimethylsulfoxonium Bromide, with the CAS NO.25596-24-1, it has the Synonyms of trimethyloxosulfonium bromide; trimethylsulfoxonium bromide; trimethyl-oxo-λ4-sulfanium; bromide; Trimethylsulfoxoniumbromid; TMSOB; trimethylsulfoxonium; bromide. The Molecular Formula of it is C3H9BrOS and the Molecular Weight is 173.07. It is white to off-white crystalline powder. It belongs to the Product Categories of Iodonium Sulfonium and Oxonium Compounds; Sulfonium Compounds; Sulfur Compounds (for Synthesis); Synthetic Organic Chemistry. Trimethylsulfoxonium Bromide is used as intermediate chemical.