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

 


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