反应详情

Preparation takes place in analogy to Example 83A from 300 mg (0.85 mmol) of (2S)-4-{[(benzyloxy)carbonyl]amino}-2-[(tert-butoxycarbonyl)amino]butanoic acid in 10 ml of tetrahydrofuran with 86 mg (0.85 mmol) of 4-methylmorpholine, 92 mg (0.85 mmol) of ethyl chloroformate and 1.7 ml (1.70 mmol) of a 1M solution of lithium aluminum hydride in tetrahydrofuran. The product is reacted without further purification.

1. customPreparation
2. customThe product is reacted without further purification