Benzyl-PEG-OH, MW 2,000 is a PEG reagent featuring a primary alcohol and a benzyl-protecting group. The alcohol is a versatile scaffold and can be manipulated in a variety of ways such as in creating esters or substituting with electrophiles such as halogens, mesylates, triflates, etc. The benzyl protecting group can be removed by hydrogenation to reveal a second alcohol group for further reactions.
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