2-(TRIMETHYLSILYL)ETHANESULFONYL CHLORI&
- Product Name
- 2-(TRIMETHYLSILYL)ETHANESULFONYL CHLORI&
- CAS No.
- 106018-85-3
- Chemical Name
- 2-(TRIMETHYLSILYL)ETHANESULFONYL CHLORI&
- Synonyms
- SES-Cl;2-(triMethylsilyl)ethane-1-sulfonyl chloride;06018-85-3;2-(trimethylsilyl)ethylsulfonylchloro;2-(TRIMETHYLSILYL)ETHANESULFONYL CHLORI&;2-(Trimethylsilyl)ethanesulfonyl chloride;2-(TRISMETHYLSILYL)ETHANESULPHONYLCHLORIDE;2-Trimethylsilanyl-ethanesulfonyl chloride;Ethanesulfonylchloride, 2-(triMethylsilyl)-;2-Trimethylsilylethylsulfonyl chloride, SES-Cl
- CBNumber
- CB7972474
- Molecular Formula
- C5H13ClO2SSi
- Formula Weight
- 200.76
- MOL File
- 106018-85-3.mol
2-(TRIMETHYLSILYL)ETHANESULFONYL CHLORI& Property
- Boiling point:
- 146.8 °C/760 mmHg
- Density
- 1.059 g/mL at 25 °C
- refractive index
- n20/D 1.4444
- Flash point:
- 21 °C
- storage temp.
- 2-8°C
- solubility
- Sol most common organic solvents.
Safety
- Hazard Codes
- F,Xi
- Risk Statements
- 11-36/37/38
- Safety Statements
- 26
- RIDADR
- UN 1993 3/PG 2
- WGK Germany
- 3
- HS Code
- 2931900090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H225Highly Flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 681334
- Product name
- 2-(Trimethylsilyl)ethanesulfonyl chloride
- Packaging
- 1g
- Price
- $355
- Updated
- 2024/03/01
- Product number
- 681334
- Product name
- 2-(Trimethylsilyl)ethanesulfonyl chloride
- Packaging
- 5g
- Price
- $1230
- Updated
- 2024/03/01
- Product number
- T896635
- Product name
- 2-(Trimethylsilyl)ethanesulfonyl chloride
- Packaging
- 50mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- T896635
- Product name
- 2-(Trimethylsilyl)ethanesulfonyl chloride
- Packaging
- 500mg
- Price
- $200
- Updated
- 2021/12/16
- Product number
- OR480882
- Product name
- 2-Trimethylsilylethanesulfonyl chloride
- Purity
- 97%
- Packaging
- 500mg
- Price
- $106
- Updated
- 2021/12/16
2-(TRIMETHYLSILYL)ETHANESULFONYL CHLORI& Chemical Properties,Usage,Production
Physical properties
bp 60 °C/0.1 mmHg; yellow oil.
Uses
β-Trimethylsilylethanesulfonyl Chloride is used in the protection of primary and secondary amines as their sulfonamides, which are cleaved by fluoride ion. It participates in the reations of Protection of Amines, SESCl in Synthesis, N-Alkylation, Deprotection Conditions, Formation of 2-Trimethylsilylethanesulfonylimines, the (N-SES-Imino) Phenyliodinane or SESN=IPh Reagent, SES-N3, etc.
Uses
2-(Trimethylsilyl)ethanesulfonyl Chloride can be prepared to used to treat cancer and other diseases.
Preparation
|?-Trimethylsilylethanesulfonyl Chloride can be most conveniently synthesized from commercially available vinyltrimethylsilane (eq 1). Radical addition of sodium bisulfite to the vinyl group catalyzed by t-butyl perbenzoate yields the sulfonate salt which can be directly converted to SESCl with phosphorus(V) chloride. The chloride can then be purified by distillation. The intermediate sulfonate salt is commercially available. The chloride can also be prepared in 62% yield from the salt using sulfuryl chloride and triphenylphosphine (eq 2). A less convenient procedure to synthesize SESCl using |?-trimethylsilylethylmagnesium chloride and sulfuryl chloride has also been developed (eq 3).
Purification Methods
Check IR; if the bands at ~3200 (OH) cm-1 are strong, then much of the SES-Cl had hydrolysed, and it should be treated with POCl3 (with cooling) and stirred at ~25o for about 1hour, poured into ice cold H2O, extracted with CH2Cl2, washed with NaHCO3, dried (Na2SO4), evaporated , and it distils as a yellow oil in a vacuum. This procedure is used for converting the Na salt to SES-Cl. It reacts with amines to form amides, e.g. SES-NRR’, which on heating with CsF (i.e. F-ions) in DMF at 95o provide the amine (NHRR’), SO2 and CH2=CH2 [Weinreb et al. Tetrahedron Lett 27 2099 1986]. [Ribiere et al. Chem Rev 106 2249 2006.]
2-(TRIMETHYLSILYL)ETHANESULFONYL CHLORI& Preparation Products And Raw materials
Raw materials
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View Lastest Price from 2-(TRIMETHYLSILYL)ETHANESULFONYL CHLORI& manufacturers
- Product
- 2-(Trimethylsilyl)ethanesulfonyl chloride 106018-85-3
- Price
- US $19.90/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100KG
- Release date
- 2021-10-08
- Product
- 2-(Trimethylsilyl)ethanesulfonyl chloride 106018-85-3
- Price
- US $19.90/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10kg
- Release date
- 2021-10-08