N,N'-Bis(tert-butoxycarbonyl)-1H-pyrazole-1-carboxamidine → HCID 178454244, compound

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Reaction Steps

A solution of N,N′-bis(tert-butoxycarbonyl)-1H-pyrazole-1-carboxamidine (0.71 g, 2.28 mmol) and (3-(cyclohexylmethoxy)phenyl)methanamine (0.50 g, 2.28 mmol) in acetonitrile (15 ml) was stirred at 50° C. for 18 h under argon. After cooling to room temperature, a white solid was formed, collected via filtration, and dried under vacuum to give (Z)-tert-butyl (tert-butoxycarbonylamino)(3-(cyclohexylmethoxy)benzylamino)methylenecarbamate. Yield (400 mg, 38%). 1H NMR (400 MHz, DMSO-d6) δ 11.47 (s, 1H), 8.61 (t, J=6.0 Hz, 1H), 7.20 (t, J=8.0 Hz, 1H), 6.77-6.86 (m, 3H), 4.44 (d, J=5.6 Hz, 2H), 3.72 (d, J=6.4 Hz, 2H), 1.60-1.80 (m, 6H), 1.45 (s, 9H), 1.36 (s, 9H), 0.95-1.25 (m, 5H).

Provenance & Evidence