2-Oxo-2,3-dihydro-1H-indole-5-carbonitrile → HCID 178509446, compound

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Reaction Steps

The title compound was synthesized according to the method described in Example A57 from 2-oxoindoline-5-carbonitrile (10 mg, 0.063 mmol) and (E)-3-(2-(pyridin-4-yl)vinyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-indazole-6-carbaldehyde (25 mg, 0.063 mmol) with a modified purification procedure. The product was precipitated with EtOAc and filtered washing with EtOAc to give 4.5 mg, 30% of a yellow powder which was a 65:35 mixture of (E)/(Z) isomers. 1H NMR (400 MHz, d6-DMSO) δ 14.04, 13.94 (s, 1H), 11.24, 11.22 (s, 1H), 9.01, 8.42 (s, 1H), 8.83 (d, J=5.5 Hz, 2H), 8.50-8.17 (m, 3H), 8.03 (s, 1H), 7.99 (s, 1H), 7.86 (s, 1H), 7.81-7.65 (m, 3H), 7.07, 7.01 (d, J=8.4 Hz, 1H); MS ESI 390.1 [M+H]+, calcd for [C24H15N5O+H]+ 390.14.

Provenance & Evidence