NDLI: 2-Amino-4-(4-methylphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile

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2-Amino-4-(4-methylphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile

Content Provider	Semantic Scholar
Author	Mohamed, Shaaban Kamel Akkurt, Mehmet Tahir, Muhammad Nawaz Abdelhamid, Antar A. Albayati, Mustafa R.
Copyright Year	2012
Abstract	The 4H-pyran ring of the title compound, C(17)H(16)N(2)O(2), is nearly planar [maximum deviation = 0.077 (2) Å] and the cyclo-hexene ring adopts a flattened chair conformation [puckering parameters: Q(T) = 0.435 (2) Å, θ = 122.0 (3)° and ϕ = 53.5 (3)°]. The 4H-pyran ring is almost perpendicular to the benzene ring [dihedral angle = 87.23 (8)°] and is almost coplanar with the mean plane of the cyclo-hexene ring [dihedral angle = 8.01 (8)°]. In the crystal, inversion-related mol-ecules are linked by pairs of inter-molecular N-H⋯N hydrogen bonds, forming inversion dimers with R(2) (2)(12) ring motifs. These dimers are further connected by N-H⋯O and C-H⋯N hydrogen bonds, forming a layer structure extending parallel to (0-12). Mol-ecules within the layers inter-act with each other via C-H⋯π inter-actions.
Starting Page	o2315
Ending Page	o2316
Page Count	2
File Format	PDF HTM / HTML
DOI	10.1107/S1600536812029480
PubMed reference number	22904790
Journal	Medline
Volume Number	68
Alternate Webpage(s)	http://ftp.ncbi.nlm.nih.gov/pub/pmc/0a/fc/e-68-o2315.PMC3414183.pdf
Alternate Webpage(s)	http://journals.iucr.org/e/issues/2012/08/00/sj5250/sj5250.pdf
Alternate Webpage(s)	https://doi.org/10.1107/S1600536812029480
Journal	Acta crystallographica. Section E, Structure reports online
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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