Mes-PEG2-CH2-t-butyl ester - CAS 189104-56-1

Mes-PEG2-CH2-t-butyl ester is a PEG linker that features a PEG2 segment to enhance compound solubility and a t-butyl ester group that can be deprotected under acidic conditions. The mesylate ester serves as an excellent leaving group, offering all its benefits while not being restricted by acidic protons that could react with nucleophiles.

189104-56-1

C11H22O7S

298.353

O=C(OC(C)(C)C)COCCOCCOS(=O)(=O)C

-20°C

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