Acta Crystallographica Section E (Jan 2009)
Ethyl 6-amino-5-cyano-4-isopropyl-2-methyl-4H-pyran-3-carboxylate
Abstract
In the title compound, C13H18N2O3, the two H atoms of the NH2 group are engaged in hydrogen bonding with the N atom of the cyano group and with one O atom of the ethoxycarbonyl group, building a chain parallel to the [100] direction. The N—H...N hydrogen bonds assemble the molecules around inversion centres, forming dimers with an R22(12) graph-set motif.