tert-Butyl 2-(2-(2-(tosyloxy)ethoxy)ethoxy)acetate
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Basic information
- CAS
882518-89-0- Standard SMILES
Cc1ccc(S(=O)(=O)OCCOCCOCC(=O)OC(C)(C)C)cc1- InChIKey
NIPMXQFRYHXBAM-UHFFFAOYSA-N- Molecular formula
- C17H26O7S
- Average molar mass
- 374.5 g/mol
Names & identifiers
- Preferred name
- tert-Butyl 2-(2-(2-(tosyloxy)ethoxy)ethoxy)acetate
- IUPAC
- tert-butyl 2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]acetate
- English name
- Tos-PEG3-CH2CO2tBu
- Molecular formula
- C17H26O7S
- Molecular weight
- 374.45
Names & synonyms
882518-89-0Tos-PEG3-CH2CO2tBuTos-PEG2-CH2-Boctert-Butyl 2-(2-(2-(tosyloxy)ethoxy)ethoxy)acetateTos-PEG2-CH2COOtBuMFCD27977515{2-[2-(Toluene-4-sulfonyloxy)-ethoxy]-ethoxy}-acetic acid tert-butyl esterAcetic acid, [2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]ethoxy]-,1,1-dimethylethyl estertert-butyl 2-(2-{2-[(4-methylbenzenesulfonyl)oxy]ethoxy}ethoxy)acetateorb1909258SCHEMBL14129506C17H26O7S
Show more names
2-(2-(2-(paramethylbenzenesulfonylacyloxy)ethoxy)ethoxy)acetic acidtertbutyl ester2-[2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]ethoxy]-Acetic acid, 1,1-dimethylethylAcetic acid, 2-[2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]ethoxy]-, 1,1-dimethylethyl esterTos-PEG2-CH2COOtBu/Acetic acid, 2-[2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]ethoxy]-, 1,1-dimethylethyl ester
tert-butyl 2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]acetateAKOS037654855BP-22090MS-20873SY273147DB-144907HY-130532CS-0108882
Database identifiers
- CAS
882518-89-0
Properties
Computed structural propertiesFilling in
- XLogP
- 2.2
- Topological polar surface area
- 96.5 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 7
- Rotatable bonds
- 12
- Heavy atoms
- 25
- Formal charge
- 0
- Complexity
- 482
Physicochemical properties
- Boiling point
- 484.027 · 484.027±35.00 °C(Press: 760.00 Torr)(predicted)
- Density
- 1.175 · 1.175±0.06 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
- storage temp.
- Store at Room Tem.
- solubility
- Soluble in DMSO, DCM, DMF
- form
- Liquid
- color
- Colorless to light yellow
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 315 · H315-H319-H335
- Precautionary statements
- 280 · P280-P302+P352-P304+P340-P305+P351+P338-P321-P362+P364
- HS Code
- 2942000090 · 2942000090
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Safety data
- hs_code
- 2942000090
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- Hazard statements
- H315-H319-H335
- Precautionary statements
- P280-P302+P352-P304+P340-P305+P351+P338-P321-P362+P364
Chemistry & industry
Applications
DescriptionTos-PEG3-CH2CO2tBu is a PEG linker containing a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The tosyl group is a very good leaving group for nucleophilic substitution reactions.
UsesTos-PEG2-CH2-Boc is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1].
Related reactions
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Compound notes
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