HRID391795

反应详情

EQUATION

反应方程式

HRID 391795 的结构方程式

PROCEDURE

实验过程

(S)-3-[(S)-2-(4-Acetoxy-phenyl)-2,3-dihydro-benzo[1,4]dioxin-6-yl]-2-tert-butoxycarbonylamino-propionic acid methyl ester (208 mg) was converted to the HCl salt of (S)-3-[(S)-2-(4-acetoxy-phenyl)-2,3-dihydro-benzo[1,4]dioxin-6-yl]-2-amino-propionic acid methyl ester according to General Procedure C. This intermediate was further reacted with 4-nitrobenzenesulfonyl chloride as described in General Procedure F to furnish (S)-3-[(S)-2-(4-acetoxy-phenyl)-2,3-dihydro-benzo[1,4]dioxin-6-yl]-2-(4-nitro-benzenesulfonylamino)-propionic acid methyl ester (230 mg). LCMS (m/z): 558.