反应详情

Boc-Val-OH (2.86 g, 13.2 mmol) was coupled to valine benzyl ester p-toluenesulfonate (5.0 g, 13.2 mmol) using the procedure of Example 55 to give 5.41g, (100%) of the desired product (RF 0.15; 20% ethyl acetate in hexane) as a colorless gum. Mass spectrum M+H)+ =407.