反应详情

This compound was prepared from Bz-Ala-OH in 26% yield by the procedure described in Example PKC1, except that benzyl oxalyl chloride was used in place of ethyl oxayl chloride and sodium benzyloxide in benzyl alcohol was used for enol ester hydrolysis; single spot on tlc, Rf2 =0.69 (CHCl3 :MeOH=9:1); mp 95°-97° C.; MS, m/e=312 (M+ +1). Anal. Calcd. for C18H17O4N.1/2 H2O: C, 67.48; H, 5.66; N, 4.37. Found: C, 67.78; H, 5.55; N, 4.66.