(S)-cyclopentyl 2-amino-4-methylpentanoate → HCID 57658393, compound

Participants

Reaction Steps

From Intermediate 5 (120 mg, 0.263 mmol) and L-Leucine cyclopentyl ester (Intermediate 8). LCMS purity 100%, m/z 640 [M+H]+, 1H NMR (400 MHz, CD3OD), δ: 0.95-1.05 (6H, m), 1.50-2.00 (16H, m), 2.10-2.35 (3H, m), 3.15-3.20 (1H, m), 4.00-4.15 (1H, m), 4.40 and 4.75 (0.5H each, m), 5.25-5.35 (1H, m), 5.75 (1H, d), 6.85-6.95 (2H, m), 7.15-7.25 (2H, m), 7.55-7.65 (2H, m), 7.65-7.70 (1H, m).

Provenance & Evidence