Ethyl 6′-amino-5′-cyano-2′-methyl-2-oxospiro[indoline-3,4′-pyran]-3′-carboxylate

In the title compound, C17H15N3O4, the atoms of the spiro pyran ring are nearly planar with a maximum deviation of 0.0188 (14) Å. The benzene and pyrrole rings make a dihedral angle of 5.71 (6)°. The indole system and the pyran ring are oriented at a dihedral angle of 82.94 (3)°. The crystal structure is stabilized by intermolecular classical and non-classical N—H...O, N—H...N and C—H...O hydrogen bonds