4,4,5,5-Tetramethyl-2-(4-nitrophenyl)-1,3,2-dioxaborolane → (S)-3-methyl-4-(1-methyl-5-(4-nitrophenyl)-1H-pyrazolo[4,3-d]pyrimidin-7-yl)morpholine

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Reaction Steps

This compound was prepared in an analogous fashion to (S)-1-ethyl-3-(4-(1-methyl-7-(3-methylmorpholino)-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)urea, using 4-nitrophenylboronic acid pinacol ester as the starting material. 1H NMR (CDCl3, 400 MHz) δ ppm 8.62 (d, J=9.0 Hz, 2H), 8.32 (d, J=9.0 Hz, 2H), 8.22 (s, 1H), 4.27 to 4.17 (m, 4H), 4.08 to 3.95 (m, 2H), 3.93 to 3.82 (m, 1H), 3.79 to 3.67 (m, 2H), 3.60 to 3.50 (m, 1H), 1.38 (d, J=6.6 Hz, 3H).

Provenance & Evidence