反应详情

This intermediate was made according to example 2, step A] method from cyclobutanecarboxamidine hydrochloride (0.3 g, obtained from cyclobutanecarbonitrile in analogy to Synth. Commun. 12 (13), 1982, 989-993 and Tetrahedron Lett. 31 (14), 1990, 1969-1972) and 3-ethoxy-acrylonitrile (0.3 g). 2-Cyclobutyl-pyrimidin-4-ylamine was obtained as a light brown solid (0.26 g): 1H NMR (δ, DMSO-d6): 7.98 (d, 1H), 6.66 (br s, 2H), 6.21 (s, 1H), 3.35-3-37 (m, 1H), 2.33-2.23 (m, 2H), 2.19-2.12 (m, 2H), 1.99-1.88 (m, 1H), 1.82-1.74 (m, 1H).