3,5-Dimethylisoxazole-4-carboxylic acid → (1S,3S,5S)-3-{[(3,5-dimethyl-isoxazole-4-carbonyl)-amino]-methyl}-2-aza-bicyclo[3.1.0]hexane-2-carboxylic acid tert-butyl ester

Participants

Reaction Steps

prepared by reaction of (1S,3S,5S)-3-aminomethyl-2-aza-bicyclo[3.1.0]hexane-2-carboxylic acid tert-butyl ester with 3,5-dimethyl-isoxazole-4-carboxylic acid. LC-MS (acidic): tR=0.93 min; [M+H]+=336.2. 1H-NMR (CDCl3): δ=0.51 (bs, 1H); 0.81-0.87 (m, 1H); 1.49 (s, 9H); 1.50-1.56 (m, 1H); 1.74 (bd, J=13.5 Hz, 1H); 2.47 (s, 3H); 2.52-2.62 (m, 1H); 2.64 (s, 3H); 3.05-3.11 (m, 1H); 3.57-3.65 (m, 2H); 4.32-4.40 (m, 1H); 7.95 (bs, 1H).

Provenance & Evidence