1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid → (1S,2S,5R)-2-{[(2-Ethyl-5-methyl-2H-pyrazole-3-carbonyl)-amino]-methyl}-3-aza-bicyclo[3.1.0]hexane-3-carboxylic Acid Tert-butyl Ester

Participants

Reaction Steps

prepared by reaction of (1S,2S,5R)-2-Aminomethyl-3-aza-bicyclo[3.1.0]hexane-3-carboxylic acid tert-butyl ester with 2-Ethyl-5-methyl-2H-pyrazole-3-carboxylic acid. 1H-NMR (CDCl3): δ=0.19 (q, J=4.3 Hz, 1H); 0.73 (dt, J=7.7 Hz, J=5.5 Hz, 1H); 1.30-1.36 (m, 1H); 1.38-1.43 (m, 3H); 1.45 (s, 9H); 1.46-1.53 (m, 1H); 2.24 (s, 3H); 3.34-3.42 (m, 2H); 3.55-3.64 (m, 2H); 4.18 (dd, J=10.8 Hz, J=3.0 Hz, 1H); 4.47-4.62 (m, 2H); 6.36 (s, 1H); 7.76 (bs, 1H).

Provenance & Evidence