(2S,7R)-1,11-bis[2-(1-tert-butoxycarbonylpiperidin-4-ylidene)hydrazino]-2-tert-butoxycarbonylamino-7-sulfanylmethyl-6,9-diazaundecane-1,5,8,11-tetraone 、
亚磷酸二乙酯 在
[tetra(tert-butyl)phthalocyanine]aluminum chloride (tPcAlCl) 作用下,
反应 20.0h,
以46%的产率得到(2S,7R)-1,11-bis[2-(1-tert-butoxycarbonyl-4-diethoxyphosphorylpiperidin-4-yl)hydrazino]-2-tert-butoxycarbonylamino-7-sulfanylmethyl-6,9-diazaundecane-1,5,8,11-tetraone