反应详情

Prepared according to the method described in Example 4(b) above from Nα -Boc-Nδ -Cbz-(R)-ornithine-o-nitrophenyl ester (3.11 g; 6.37 mmol), (R)-4-benzyloxy-α-methylbenzylamine hydrochloride (1.68 g; 6.37 mmol), TEA (1.94 g; 19.10 mmol) and CH2Cl2 (200 mL), 18 hours reaction time. The resultant yellow solution was concentrated to afford the crude sub-title compound which was used directly in the next step.

1. customPrepared
2. concentrationThe resultant yellow solution was concentrated