Protecting groups


N-tert-Butoxycarbonyl or N-Boc 

N-Carbobenzyloxy or N-Cbz



N-2-trimethylsilylethyoxymethyl or N-SEM

N-Tetrahydropyranyl or N-THP



N-Acetyl or N-Ac

N-Trifluoroacetyl or N-TFA


Protection Deprotection

 

Protection Deprotection

 



N-Tosyl or N-Ts

N-phenylsulfonyl 


Protection Deprotection

Protection Deprotection



N-Benzyl or N-Bn

N-p-Methoxybenzyl or N-PMB


Protection Deprotection

 

Protection Deprotection

 



N-3,4-Dimethoxybenzyl or N-DMPM



O-tert-butyldimethylsilyl or O-TBDMS

O-Benzyl or O-Bn



O-Methyl or O-Me


Protection Deprotection