tert-Butoxycarbonyl-L-isoleucine → HCID 178446792, compound

Participants

Reaction Steps

The product of Example 5, step b) was treated by the same method as that described in Example 5, step c) except N-Boc-L-Isoleucine (3.70 g, 16 mmol) was used to give the sub-title compound as a light yellow solid (0.29 g, 40%). The product obtained after chromatography still contained impurities and was used for the next step without further purification. MS: ESI (positive): 610 (M+H).

Provenance & Evidence