6-Amino-3,4-dimethyl-4-phenyl-2H,4H-pyrano[2,3-c]pyrazole-5-carbonitrile
نویسندگان
چکیده
In the title compound, C(15)H(14)N(4)O, the pyrazole ring is aligned at 88.23 (4)° with respect to the aromatic ring and at 3.75 (4)° with respect to the pyran ring. In the crystal, N-H⋯N hydrogen bonds link adjacent mol-ecules into a linear chain motif. C-H⋯N inter-actions are also observed.
منابع مشابه
Ethyl 2-(6-amino-5-cyano-3,4-dimethyl-2H,4H-pyrano[2,3-c]pyrazol-4-yl)acetate
In he title compound, C(13)H(16)N(4)O(3), the pyrazole ring is planar (r.m.s. deviation = 0.054 Å). The pyran ring is not planar; the mean plane makes a dihedral angle of 1.9 (1)° with the pyrazole ring. In the crystal structure, inter-molecular N-H⋯N and N-H⋯O inter-actions lead to a linear chain motif.
متن کامل6-Amino-3-methyl-4-(3-nitrophenyl)-1-phenyl-1H,4H-pyrano[2,3-c]pyrazole-5-carbonitrile
The title compound, C(20)H(15)N(5)O(3), was synthesized by the one-pot reaction of a four-component reaction protocol in aqueous medium. The pyrano[2,3-c]pyrazole system is essentially planar, with a maximum deviation of 0.026 (2) Å. The 3-nitro-phenyl and phenyl rings make dihedral angles of 81.11 (5) and 13.36 (1)°, respectively, with the mean plane of the pyrano[2,3-c]pyrazole ring. The crys...
متن کامل6′-Amino-3′-methyl-2-oxo-1′-phenyl-1′,3a′,4′,7a′-tetrahydrospiro[1H-indole-3(2H),4′-pyrano[2,3-d]pyrazole]-5′-carbonitrile. Corrigendum
The title and chemical structural diagram in Etti, Shanmugam & Perumal [Acta Cryst. (2008), E64, o341] are corrected.[This corrects the article DOI: 10.1107/S1600536807064926.].
متن کامل6′-Amino-3′-methyl-2-oxo-1′-phenyl-1′,3a′,4′,7a′-tetrahydrospiro[1H-indole-3(2H),4′-pyrano[2,3-d]pyrazole]-5′-carbonitrile
In the crystal structure of the title compound, C(21)H(15)N(5)O(2), the planar indolone unit and the pyran ring are almost perpendicular to each other [dihedral angle = 89.41 (2)°], and the pyrazole and phenyl rings are oriented at an angle of 25.74 (1)°. The mol-ecular packing is stabilized by inter- and intra-molecular C-H⋯O, N-H⋯O and C-H⋯π hydrogen bonds.
متن کاملNovel pyranopyrazoles: synthesis and theoretical studies.
A series of pyranopyrazoles, namely, 7-(2-aminoethyl)-3,4-dimethyl-1-phenyl-1H-pyrazolo[3,4-b]pyridin-6(7H)-one (2), (Z)-3,4-dimethyl-1-(4-((4-nitrobenzylidene)amino)phenyl)pyrano[2,3-c]pyrazol-6(1H)-one (5), 1-(4-(3,4-dimethyl-6-oxopyrano[2,3-c]pyrazol-1(6H)-yl)phenyl)-3-(naphthalen-1-yl)urea (6), (Z)-ethyl 4-((3,4-dimethyl-6-oxo-1,6-dihydropyrano[2,3-c]pyrazol-5-yl)diazenyl)benzoate (8) and 3...
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عنوان ژورنال:
دوره 67 شماره
صفحات -
تاریخ انتشار 2011