Literature DB >> 21754221

6-Amino-3,4-dimethyl-4-phenyl-2H,4H-pyrano[2,3-c]pyrazole-5-carbonitrile.

Nishith Saurav Topno, Kandhasamy Kumaravel, M Kannan, Gnanasambandam Vasuki, R Krishna.   

Abstract

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.

Entities:  

Year:  2011        PMID: 21754221      PMCID: PMC3099764          DOI: 10.1107/S1600536811009354

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For the synthesis, see: Vasuki & Kumaravel (2008 ▶). For the use of related compounds in organic synthesis, see: Liang et al. (2009 ▶). For related structures, see: Kannan et al. (2010 ▶).

Experimental

Crystal data

C15H14N4O M = 266.3 Triclinic, a = 6.682 (5) Å b = 9.347 (5) Å c = 11.078 (5) Å α = 99.213 (5)° β = 102.740 (5)° γ = 97.767 (5)° V = 655.6 (7) Å3 Z = 2 Mo Kα radiation μ = 0.09 mm−1 T = 293 K 0.22 × 0.20 × 0.16 mm

Data collection

Bruker APEXII Kappa CCD detector diffractometer 18424 measured reflections 4996 independent reflections 3169 reflections with I > 2σ(I) R int = 0.036

Refinement

R[F 2 > 2σ(F 2)] = 0.057 wR(F 2) = 0.173 S = 0.99 4996 reflections 183 parameters H-atom parameters constrained Δρmax = 0.30 e Å−3 Δρmin = −0.29 e Å−3 Data collection: APEX2 (Bruker, 2004 ▶); cell refinement: APEX2 and SAINT (Bruker, 2004 ▶); data reduction: SAINT and XPREP (Bruker, 2004 ▶); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEP-3 (Farrugia, 1997 ▶); software used to prepare material for publication: PLATON (Spek, 2009 ▶). Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536811009354/ng5120sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536811009354/ng5120Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C15H14N4OZ = 2
Mr = 266.3F(000) = 280
Triclinic, P1Dx = 1.349 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71069 Å
a = 6.682 (5) ÅCell parameters from 4350 reflections
b = 9.347 (5) Åθ = 1.9–33.3°
c = 11.078 (5) ŵ = 0.09 mm1
α = 99.213 (5)°T = 293 K
β = 102.740 (5)°Prism, colourless
γ = 97.767 (5)°0.22 × 0.20 × 0.16 mm
V = 655.6 (7) Å3
Bruker APEXII Kappa CCD-detector diffractometer3169 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.036
graphiteθmax = 33.3°, θmin = 1.9°
Detector resolution: 0 pixels mm-1h = −10→9
ω and φ scansk = −14→14
18424 measured reflectionsl = −17→16
4996 independent reflections
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.057Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.173H-atom parameters constrained
S = 0.99w = 1/[σ2(Fo2) + (0.0847P)2 + 0.1309P] where P = (Fo2 + 2Fc2)/3
4996 reflections(Δ/σ)max = 0.014
183 parametersΔρmax = 0.30 e Å3
0 restraintsΔρmin = −0.29 e Å3
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.
xyzUiso*/Ueq
O10.22065 (13)0.57205 (11)0.58851 (9)0.0380 (2)
C20.52515 (18)0.74174 (14)0.57658 (11)0.0306 (3)
N10.23543 (18)0.67259 (14)0.41251 (11)0.0406 (3)
C60.64969 (18)0.74989 (14)0.70869 (12)0.0304 (2)
C50.52503 (19)0.63581 (14)0.76101 (12)0.0315 (3)
C70.6205 (2)0.60943 (15)0.88018 (13)0.0377 (3)
C40.32984 (19)0.55767 (14)0.70373 (12)0.0315 (3)
C30.32497 (19)0.66098 (15)0.52808 (12)0.0320 (3)
C80.6664 (2)0.90474 (14)0.78630 (12)0.0332 (3)
N30.21879 (18)0.45814 (14)0.74817 (12)0.0439 (3)
H3A0.09680.41420.70440.053*
H3B0.26920.43790.82060.053*
N20.38757 (19)0.76374 (15)0.38430 (11)0.0432 (3)
H20.37360.79120.31290.052*
N40.7004 (2)0.59058 (17)0.97741 (14)0.0571 (4)
C10.5621 (2)0.80702 (16)0.47848 (13)0.0376 (3)
C140.8640 (2)0.70915 (18)0.70847 (16)0.0438 (3)
H14A0.84670.61160.65990.066*
H14B0.93970.71240.79360.066*
H14C0.94010.77790.67180.066*
C130.4882 (2)0.95084 (17)0.81184 (15)0.0442 (3)
H130.36170.88590.78410.053*
C90.8513 (3)1.00406 (18)0.82993 (17)0.0517 (4)
H90.97380.97680.81500.062*
C100.8558 (3)1.1452 (2)0.89631 (18)0.0639 (5)
H100.98171.21090.92510.077*
C150.7477 (3)0.9053 (2)0.46603 (16)0.0536 (4)
H15A0.84480.84690.44110.080*
H15B0.81300.97010.54560.080*
H15C0.70510.96250.40330.080*
C120.4943 (3)1.0905 (2)0.87732 (17)0.0568 (4)
H120.37271.11860.89300.068*
C110.6797 (4)1.18818 (19)0.91953 (16)0.0595 (5)
H110.68431.28260.96350.071*
U11U22U33U12U13U23
O10.0256 (4)0.0500 (6)0.0318 (5)−0.0082 (4)−0.0019 (3)0.0142 (4)
C20.0260 (5)0.0314 (6)0.0302 (6)−0.0015 (4)0.0032 (4)0.0049 (4)
N10.0346 (6)0.0480 (7)0.0319 (6)−0.0072 (5)−0.0007 (4)0.0116 (5)
C60.0233 (5)0.0309 (6)0.0322 (6)−0.0011 (4)0.0012 (4)0.0056 (4)
C50.0272 (5)0.0296 (6)0.0320 (6)−0.0019 (4)−0.0014 (4)0.0073 (5)
C70.0308 (6)0.0350 (7)0.0397 (7)−0.0061 (5)−0.0026 (5)0.0109 (5)
C40.0266 (5)0.0338 (6)0.0303 (6)0.0004 (4)0.0013 (4)0.0072 (5)
C30.0273 (5)0.0362 (6)0.0290 (6)−0.0015 (4)0.0029 (4)0.0073 (5)
C80.0330 (6)0.0318 (6)0.0286 (6)−0.0033 (5)−0.0005 (5)0.0066 (5)
N30.0331 (6)0.0509 (7)0.0396 (6)−0.0111 (5)−0.0038 (5)0.0191 (5)
N20.0415 (6)0.0517 (7)0.0308 (6)−0.0082 (5)0.0030 (5)0.0144 (5)
N40.0472 (7)0.0635 (9)0.0477 (8)−0.0143 (6)−0.0114 (6)0.0260 (7)
C10.0327 (6)0.0407 (7)0.0352 (7)−0.0031 (5)0.0057 (5)0.0075 (5)
C140.0271 (6)0.0477 (8)0.0529 (9)0.0045 (5)0.0052 (6)0.0076 (7)
C130.0464 (8)0.0385 (8)0.0450 (8)0.0025 (6)0.0122 (6)0.0034 (6)
C90.0384 (7)0.0422 (8)0.0600 (10)−0.0085 (6)−0.0025 (7)0.0016 (7)
C100.0682 (12)0.0430 (9)0.0577 (11)−0.0165 (8)−0.0087 (9)−0.0007 (8)
C150.0450 (8)0.0609 (10)0.0498 (9)−0.0142 (7)0.0090 (7)0.0193 (8)
C120.0746 (12)0.0457 (9)0.0514 (10)0.0136 (8)0.0213 (9)0.0032 (7)
C110.0922 (14)0.0371 (8)0.0405 (8)0.0039 (9)0.0083 (9)−0.0001 (6)
O1—C41.3602 (16)N2—C11.3465 (19)
O1—C31.3611 (16)N2—H20.8600
C2—C11.3799 (19)C1—C151.486 (2)
C2—C31.3885 (18)C14—H14A0.9600
C2—C61.5001 (18)C14—H14B0.9600
N1—C31.3164 (17)C14—H14C0.9600
N1—N21.3595 (17)C13—C121.379 (2)
C6—C51.5289 (18)C13—H130.9300
C6—C141.531 (2)C9—C101.397 (3)
C6—C81.5369 (19)C9—H90.9300
C5—C41.3661 (18)C10—C111.357 (3)
C5—C71.4091 (19)C10—H100.9300
C7—N41.1440 (19)C15—H15A0.9600
C4—N31.3340 (17)C15—H15B0.9600
C8—C91.380 (2)C15—H15C0.9600
C8—C131.390 (2)C12—C111.374 (3)
N3—H3A0.8600C12—H120.9300
N3—H3B0.8600C11—H110.9300
C4—O1—C3115.59 (10)N2—C1—C2106.17 (12)
C1—C2—C3103.33 (11)N2—C1—C15122.22 (14)
C1—C2—C6133.30 (11)C2—C1—C15131.61 (13)
C3—C2—C6123.33 (11)C6—C14—H14A109.5
C3—N1—N2101.74 (11)C6—C14—H14B109.5
C2—C6—C5105.36 (10)H14A—C14—H14B109.5
C2—C6—C14110.78 (11)C6—C14—H14C109.5
C5—C6—C14109.28 (12)H14A—C14—H14C109.5
C2—C6—C8109.09 (10)H14B—C14—H14C109.5
C5—C6—C8109.98 (11)C12—C13—C8121.64 (15)
C14—C6—C8112.12 (10)C12—C13—H13119.2
C4—C5—C7116.92 (12)C8—C13—H13119.2
C4—C5—C6126.31 (11)C8—C9—C10120.50 (17)
C7—C5—C6116.77 (11)C8—C9—H9119.8
N4—C7—C5178.69 (15)C10—C9—H9119.8
N3—C4—O1110.00 (11)C11—C10—C9121.11 (17)
N3—C4—C5127.07 (12)C11—C10—H10119.4
O1—C4—C5122.93 (12)C9—C10—H10119.4
N1—C3—O1119.33 (11)C1—C15—H15A109.5
N1—C3—C2114.94 (12)C1—C15—H15B109.5
O1—C3—C2125.71 (12)H15A—C15—H15B109.5
C9—C8—C13117.40 (14)C1—C15—H15C109.5
C9—C8—C6123.01 (13)H15A—C15—H15C109.5
C13—C8—C6119.57 (11)H15B—C15—H15C109.5
C4—N3—H3A120.0C11—C12—C13120.16 (18)
C4—N3—H3B120.0C11—C12—H12119.9
H3A—N3—H3B120.0C13—C12—H12119.9
C1—N2—N1113.80 (12)C10—C11—C12119.19 (17)
C1—N2—H2123.1C10—C11—H11120.4
N1—N2—H2123.1C12—C11—H11120.4
C1—C2—C6—C5−173.79 (14)C6—C2—C3—N1176.69 (12)
C3—C2—C6—C58.91 (17)C1—C2—C3—O1177.46 (13)
C1—C2—C6—C14−55.7 (2)C6—C2—C3—O1−4.6 (2)
C3—C2—C6—C14126.98 (14)C2—C6—C8—C9−111.80 (15)
C1—C2—C6—C868.17 (18)C5—C6—C8—C9133.10 (14)
C3—C2—C6—C8−109.13 (14)C14—C6—C8—C911.29 (19)
C2—C6—C5—C4−7.33 (18)C2—C6—C8—C1366.30 (15)
C14—C6—C5—C4−126.40 (15)C5—C6—C8—C13−48.80 (16)
C8—C6—C5—C4110.12 (15)C14—C6—C8—C13−170.61 (13)
C2—C6—C5—C7173.06 (12)C3—N1—N2—C1−0.42 (17)
C14—C6—C5—C753.99 (16)N1—N2—C1—C2−0.34 (18)
C8—C6—C5—C7−69.50 (15)N1—N2—C1—C15179.23 (15)
C4—C5—C7—N4−158 (8)C3—C2—C1—N20.91 (15)
C6—C5—C7—N421 (8)C6—C2—C1—N2−176.77 (14)
C3—O1—C4—N3−174.36 (12)C3—C2—C1—C15−178.61 (17)
C3—O1—C4—C55.24 (19)C6—C2—C1—C153.7 (3)
C7—C5—C4—N3−0.2 (2)C9—C8—C13—C120.5 (2)
C6—C5—C4—N3−179.80 (13)C6—C8—C13—C12−177.74 (14)
C7—C5—C4—O1−179.72 (12)C13—C8—C9—C10−0.4 (2)
C6—C5—C4—O10.7 (2)C6—C8—C9—C10177.75 (15)
N2—N1—C3—O1−177.77 (12)C8—C9—C10—C110.0 (3)
N2—N1—C3—C21.06 (17)C8—C13—C12—C11−0.2 (3)
C4—O1—C3—N1175.29 (12)C9—C10—C11—C120.3 (3)
C4—O1—C3—C2−3.4 (2)C13—C12—C11—C10−0.2 (3)
C1—C2—C3—N1−1.29 (17)
D—H···AD—HH···AD···AD—H···A
N3—H3A···N1i0.862.273.129 (2)173
N3—H3B···N4ii0.862.263.087 (2)160
C10—H10···N4iii0.932.533.455 (3)172
C14—H14A···N1iv0.962.593.522 (3)163
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N3—H3A⋯N1i0.862.273.129 (2)173
N3—H3B⋯N4ii0.862.263.087 (2)160
C10—H10⋯N4iii0.932.533.455 (3)172
C14—H14A⋯N1iv0.962.593.522 (3)163

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) .

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