5-Acetyl-2-amino-6-methyl-4-(1-naphthyl)-4H-pyran-3-carbo­nitrile, methyl 6-amino-5-cyano-2-methyl-4-(1-naphthyl)-4H-pyran-3-carboxyl­ate and tert-butyl 6-amino-5-cyano-2-methyl-4-(1-naphthyl)-4H-pyran-3-carboxyl­ate

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

IUCr IT WDC

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Figure 5
A projection of the crystal packing of (IIIb

) along the c axis. Dashed lines indicate intermolecular N—H⋯O hydrogen bonds.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

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