反应详情

Prepared by the method of Example 120 using 2-{bis[(1,1-dimethylethoxy)carbonyl]amino}-4-oxazolcarboxylic acid, ethyl ester (0.65 g) and sodium triethylborohydride (5.5 mL of a 1M solution in tetrahydrofuran). Yield 0.24 g. Used directly.