摘要
Di(N-protected-伪-amino)diazo-尾-diketones were prepared by the reaction of activated N-protected-伪-amino acids (imidazolides) with 伪-diazoketones, derived from natural amino acids, in the presence of lithium diisopropylamide in tetrahydrofuran as the solvent at 鈭?8 掳C.