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作者:G. Suresh , J. Srinivasan ...
来源:[J].Acta Crystallographica Section E(IF 0.347), 2013, Vol.69 (2), pp.o180-o180DOAJ
摘要:In the title compound, C20H19NO5, the dihedral angle between the mean plane of the pyran ring (which has a half-chair conformation) and the benzene ring of the chromeno ring system is 7.21 (7)°. The dihedral angle between the mean plane of the chromeno ring system and the is...
作者:G. Suresh , V. Sabari ...
来源:[J].Acta Crystallographica Section E(IF 0.347), 2012, Vol.68 (7), pp.o2199-o2199DOAJ
摘要:Molecules of the title compound, C21H24O4, are located on a twofold rotation axis running through the central methylene C atom. The aldehyde group is coplanar with the benzene ring [C—C—C—O = 175.7 (4) °].
作者:G. Suresh , P. T. Perumal ...
来源:[J].Acta Crystallographica Section E(IF 0.347), 2012, Vol.68 (5), pp.o1554-o1554DOAJ
摘要:In the title compound, C26H27BrN3O3P, the central pyrazole ring forms a dihedral angle of 71.7 (2)° with the bromophenyl ring. In the crystal, molecules are linked by pairs of N—H...O hydrogen bonds, forming inversion dimers with R22(10) ring motifs. Four C atoms...
作者:G. Suresh , A. Nandakumar ...
来源:[J].Acta Crystallographica Section E(IF 0.347), 2013, Vol.69 (2), pp.o182-o182DOAJ
摘要:In the title compound, C26H27ClN3O3P, the mean plane of the central pyrazole ring forms a dihedral angle of 71.37 (14)° with the chlorophenyl ring. In the crystal, molecules are linked by pairs of N—H...O hydrogen bonds, forming inversion dimers with R22(10) ring motifs. The...
作者:G. Suresh , J. Srinivasan ...
来源:[J].Acta Crystallographica Section E(IF 0.347), 2013, Vol.69 (2), pp.o181-o181DOAJ
摘要:In the title compound, C18H14N2O2, the pyran ring of the chromeno ring system has a half-chair conformation, and the dihedral angle between its mean plane and the benzene ring is 5.3 (2)°. The isoxazole ring forms a dihedral angle of 74.6 (2)° with the attached benzene ring ...
作者:G. Suresh , J. Srinivasan ...
来源:[J].Acta Crystallographica Section E(IF 0.347), 2013, Vol.69 (2), pp.o312-o312DOAJ
摘要:In the title compound, C17H11BrN2O2, the five-membered isoxazole ring has an envelope conformation with the C atom bearing the phenyl ring as the flap. The pyran ring has a half-chair conformation. In the chromeno ring system, the dihedral angle between the mean plane of the...
作者:G. Suresh , Ramakrishnan Uma
来源:[J].Acta Crystallographica Section E(IF 0.347), 2012, Vol.68 (4), pp.o1093-o1093DOAJ
摘要:In the title compound, C13H14O4S, both C=C double bonds adopt an E conformation. In the crystal, molecules are linked into centrosymmetric R22(14) dimers via pairs of C—H...O hydrogen bonds.
作者:... J. Srinivasan , V. Sabari , G. Suresh
来源:[J].Acta Crystallographica Section E(IF 0.347), 2012, Vol.68 (3), pp.o608-o608DOAJ
摘要:In the title compound, C18H17NO4, the hydroxyethanimine group is essentially coplanar with the ring to which it is attached [C—C—N—O torsion angle = 179.94 (14)°]. The molecules are linked into cyclic centrosymmetric R22(6) dimers via O—H...N hy...
作者:... J. Srinivasan , V. Sabari , G. Suresh
来源:[J].Acta Crystallographica Section E(IF 0.347), 2012, Vol.68 (3), pp.o570-o570DOAJ
摘要:In the title compound, C18H16N2O2, the hydroxyethanimine group is essentially coplanar with the ring to which it is attached (C—C—N—O torsion angle = −176.9°). Molecules are linked into cyclic centrosymmetric R22(6) dimers via O—H...N hydrogen b...
作者:G. Suresh , B. Nandakumar ...
来源:[J].Acta Crystallographica Section E(IF 0.347), 2011, Vol.67 (9), pp.o2376-o2376DOAJ
摘要:In the title compound, C27H30N3O3P, the pyrazole ring is essentially planar [maximum deviation = 0.002 (2) Å] and it forms dihedral angles of 9.3 (1) and 40.2 (1)°, respectively, with the phenyl rings attached to the N and C atoms. In the crystal...

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