π-deficient 2-(arylsulfonyl)ethyl esters as protecting groups for carboxylic acids
Several π-deficient 2-(arylsulfonyl)ethyl groups have been studied as carboxylic acid protecting groups. The 2-[3,5-bis(trifluoromethyl)phenylsulfonyl]ethyl group is the most easily removed protecting group for acids under mild basic conditions using aqueous NaHCO3.
Alonso, Diego A.,Nájera, Carmen,Varea, Montserrat
p. 277 - 287
(2007/10/03)
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