反应详情

This compound was prepared from Z-Ala-Ala-OH in 36% yield by the procedure described in Example PKC1, except that benzyl oxalyl chloride was used in the Dakin-West reaction and sodium benzyloxide in benzyl alcohol was used for enol ester hydrolysis; single spot on tlc, Rf2 =0.55 (CHCl3 :MeOH=9:1); MS, m/e=413 (M+ +1). Anal. Calcd. for C22H24O6N2 : C, 64.06; H, 5.87; N, 6.79. Found: C, 63.79; H, 5.95; N, 6.72.