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| CAS No.: | 120801-75-4 |
|---|---|
| Name: | Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate |
| Article Data: | 8 |
| Molecular Structure: | |
|
|
|
| Formula: | C5H9F3O4SSi |
| Molecular Weight: | 250.271 |
| Synonyms: | Trimethylsilyl2-fluorosulfonyl-2,2-difluoroacetate;Aceticacid, difluoro(fluorosulfonyl)-, trimethylsilyl ester (9CI);Trimethylsilyl(fluorosulfonyl)difluoroacetate;Trimethylsilyl2,2-difluoro-2-(fluorosulfonyl)acetate; |
| Density: | 1.333 g/cm3 |
| Boiling Point: | 160.4 °C at 760 mmHg |
| Flash Point: | 50.8 °C |
| Solubility: | Reacts with water. |
| Hazard Symbols: |
 C,  F,  Xi
|
| Risk Codes: | 10-34 |
| Safety: | 16-26-27-36/37/39 |
| Transport Information: | UN 2920 8/PG 2 |
| PSA: | 68.82000 |
| LogP: | 2.33740 |
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- 107-46-0
Hexamethyldisiloxane
- 677-67-8
fluorosulfonyldifluoroacetyl fluoride
A
- 420-56-4
trimethylsilyl fluoride
B
- 1717-59-5
2,2-difluoro-2-(fluorosulfonyl)acetic acid
C
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| Stage #1: Hexamethyldisiloxane; fluorosulfonyldifluoroacetyl fluoride at 0 - 100.6℃; under 4350.44 - 5925.59 Torr; for 18h; Stage #2: With chloro-trimethyl-silane at 20 - 107.8℃; Product distribution / selectivity; Heating / reflux; | A n/a B n/a C 85% |
- 107-46-0
Hexamethyldisiloxane
- 677-67-8
fluorosulfonyldifluoroacetyl fluoride
A
- 420-56-4
trimethylsilyl fluoride
B
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| With chloro-trimethyl-silane at 105℃; under 4200.42 Torr; for 6h; | A n/a B 84% |
- 75-77-4
chloro-trimethyl-silane
- 1717-59-5
2,2-difluoro-2-(fluorosulfonyl)acetic acid
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| at 0 - 20℃; for 26h; Inert atmosphere; | 83% |
| at 20℃; | 78% |
| at 0℃; Esterification; | 78% |
| for 12h; Heating; | |
| at 0 - 65℃; for 19h; Inert atmosphere; |
- 16029-98-4
trimethylsilyl iodide
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| for 24h; -196 deg C upto room temp.; | 29% |
- 53300-46-2
N-(cyclohexylthiocarbonyl)aniline
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| With N,N,N',N'-tetramethyl-1,8-diaminonaphthalene In toluene at 80℃; for 0.166667h; Temperature; Solvent; Optical yield = 58 %de; | 100% |
- 22007-40-5
4-Methoxyphenylthiocarbamidsaeure-O-isopropylester
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| With N,N,N',N'-tetramethyl-1,8-diaminonaphthalene In toluene at 50℃; for 0.166667h; | 97% |
- 73568-25-9
2-chloro-3-quinoline carboxaldehyde
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| Stage #1: 2-chloro-3-quinoline carboxaldehyde With sodium fluoride; triphenylphosphine In ethyl acetate at 90℃; for 0.0166667h; Wittig Olefination; Schlenk technique; Inert atmosphere; Stage #2: trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate In ethyl acetate at 90℃; for 1h; Schlenk technique; Inert atmosphere; | 96% |
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| With N,N,N',N'-tetramethyl-1,8-diaminonaphthalene In toluene at 60℃; for 0.25h; | 96% |
| With 1,1,1,3,3,3-hexafluoro-2,2-di(p-tolyl)propane; N,N,N',N'-tetramethyl-1,8-diaminonaphthalene In para-xylene at 60℃; for 0.25h; regioselective reaction; |
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
- 20442-66-4
3-(4-methoxyphenyl)-1-phenylprop-2-yn-1-one
- 882182-82-3
[3,3-difluoro-2-(4-methoxy-phenyl)-cycloprop-1-enyl]-phenyl-methanone
| Conditions | Yield |
|---|---|
| With sodium fluoride In diethylene glycol dimethyl ether at 120℃; for 3h; | 95% |
- 50555-04-9
cinnamyl benzoate
- 120801-75-4
trimethylsilyl-2,2-difluoro-2-(fluorosulphonyl)acetate
| Conditions | Yield |
|---|---|
| With sodium fluoride In various solvent(s) at 120℃; | 94% |
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Chemistry
Molecular structure of Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate (CAS NO.120801-75-4) is:
Product Name: Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate
CAS Registry Number: 120801-75-4
Empirical Formula: C5H9F3O4SSi
Molecular Weight: 250.2683
Surface Tension: 25.4 dyne/cm
Density: 1.333 g/cm3
Flash Point: 50.8 °C
Enthalpy of Vaporization: 39.7 kJ/mol
Boiling Point: 160.4 °C at 760 mmHg
Vapour Pressure: 2.39 mmHg at 25°C
Refractive index: n20/D 1.367(lit.)
Product Categories: C-C Bond Formation;Others;Synthetic Reagents
Safety Profile
Safty information about Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate (CAS NO.120801-75-4) is:
Hazard Codes: 
C; 
F; 
Xi
Risk Statements: 10-34
R10:Flammable.
R34:Causes burns.
Safety Statements: 16-26-27-36/37/39
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27:Take off immediately all contaminated clothing.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 2920 8/PG 2
WGK Germany: 2
Hazard Note: Flammable/Corrosive
HazardClass: 8
PackingGroup: II
Specification
Trimethylsilyl 2-(fluorosulfonyl)difluoroacetate , its cas register number is 120801-75-4. It also can be called Trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate .