 The two main approaches to synthesis of N @-@ H , N @-@ alkyl , and N @-@ aryloxaziridines are oxidation of imines with peracids ( A ) and amination of carbonyls ( B ) . 
 The two main approaches to synthesis of N @-@ H , N @-@ alkyl , and N @-@ aryloxaziridines <a href='drop_aux' title='1'><mark>are</mark></a>oxidation of imines with peracids ( A ) and amination of carbonyls ( B ) . 
Da 2 main approaches to synthesis of N @-@ H , N @-@ alkyl , and N @-@ aryloxaziridines oxidation of imines with peracids ( A ) and amination of carbonyls ( B ) .