Chun-Bao Tang
Jiaying University, Meizhou, Guangdong Sheng, China

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Publications (12)4.16 Total impact

  • Source
    Article: N'-(2-Hy-droxy-4-meth-oxy-benzyl-idene)-3-nitro-benzohydrazide.
    Chun-Bao Tang
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    ABSTRACT: In the mol-ecule of the title compound, C(15)H(13)N(3)O(3), an intra-molecular O-H⋯N hydrogen bond influences the planarity of the conformation; the dihedral angle between the benzene rings is 11.4 (3)°. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds into chains in [101].
    Acta Crystallographica Section E Structure Reports Online 11/2011; 67(Pt 11):o2960. · 0.35 Impact Factor
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    Article: N'-(5-Bromo-2-hy-droxy-benzyl-idene)-3-nitro-benzohydrazide methanol mono-solvate.
    Chun-Bao Tang
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    ABSTRACT: In the title compound, C(14)H(10)BrN(3)O(4)·CH(4)O, the dihedral angle between the two benzene rings in the hydrazone mol-ecule is 5.8 (3)° and an intra-molecular O-H⋯N hydrogen bond generates an S(6) ring motif. An O-H⋯O hydrogen bond occurs between the hydrazone mol-ecule and the methanol solvent mol-ecule. In the crystal, the components are linked by inter-molecular N-H⋯O hydrogen bonds, forming chains along the a axis.
    Acta Crystallographica Section E Structure Reports Online 11/2011; 67(Pt 11):o3002. · 0.35 Impact Factor
  • Source
    Article: 2-Methyl-N'-[1-(2-pyrid-yl)ethyl-idene]benzohydrazide.
    Chun-Bao Tang
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    ABSTRACT: In the title compound, C(15)H(15)N(3)O, the dihedral angle between the pyridine and benzene rings is 36.3 (2)°. In the crystal, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming chains along the b axis.
    Acta Crystallographica Section E Structure Reports Online 01/2011; 67(Pt 2):o271. · 0.35 Impact Factor
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    Article: 2-Methyl-N'-(4-nitro-benzyl-idene)benzohydrazide.
    Chun-Bao Tang
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    ABSTRACT: The title hydrazone compound, C(15)H(13)N(3)O(3), was prepared by the condensation of 4-nitro-benzaldehyde with 2-methyl-benzohydrazide in methanol. The dihedral angle between the two benzene rings is 14.8 (2)°. In the crystal, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming chains along the a axis.
    Acta Crystallographica Section E Structure Reports Online 01/2010; 66(Pt 11):o2715. · 0.35 Impact Factor
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    Article: N'-(2-Hy-droxy-3,5-diiodo-benzyl-idene)-2-methyl-benzohydrazide.
    Chun-Bao Tang
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    ABSTRACT: The asymmetric unit of the title compound, C(15)H(12)I(2)N(2)O(2), contains two independent mol-ecules in which the dihedral angles between the two benzene rings are 62.4 (7) and 41.1 (7)°. Intra-molecular O-H⋯N hydrogen bonds generate S(6) ring motifs in each mol-ecule. In the crystal, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming chains along the a axis.
    Acta Crystallographica Section E Structure Reports Online 01/2010; 67(Pt 1):o166. · 0.35 Impact Factor
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    Article: N'-(4-Hy-droxy-benzyl-idene)-2-methyl-benzohydrazide.
    Chun-Bao Tang
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    ABSTRACT: The title hydrazone compound, C(15)H(14)N(2)O(2), was prepared by the condensation of 4-hy-droxy-benzaldehyde with 2-methyl-benzohydrazide in methanol. The dihedral angle between the two benzene rings is 42.3 (2)°. In the crystal structure, mol-ecules are linked by inter-molecular O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds, forming a three-dimensional framework.
    Acta Crystallographica Section E Structure Reports Online 01/2010; 66(Pt 10):o2482. · 0.35 Impact Factor
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    Article: N'-(3,5-Dibromo-2-hy-droxy-benzyl-idene)-2-methyl-benzohydrazide.
    Chun-Bao Tang
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    ABSTRACT: The asymmetric unit of the title compound, C(15)H(12)Br(2)N(2)O(2), contains two independent mol-ecules in which the dihedral angles between the benzene rings are 49.5 (7) and 66.4 (7)°. Intra-molecular O-H⋯N hydrogen bonds generate S(6) ring motifs in each mol-ecule. In the crystal, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming chains along the b axis.
    Acta Crystallographica Section E Structure Reports Online 01/2010; 66(Pt 12):o3361. · 0.35 Impact Factor
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    Article: N'-(2,4-Dichloro-benzyl-idene)-2-methyl-benzohydrazide.
    Chun-Bao Tang
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    ABSTRACT: In the title hydrazone compound, C(15)H(12)Cl(2)N(2)O, the dihedral angle between the two benzene rings is 12.2 (2)°. In the crystal, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming forming C(4) chains propagating in [001].
    Acta Crystallographica Section E Structure Reports Online 01/2010; 66(Pt 12):o3063. · 0.35 Impact Factor
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    Article: N'-(2-Hydroxy-naphthyl-idene)-4-methoxy-benzo-hydrazide.
    Chun-Bao Tang
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    ABSTRACT: The title Schiff base compound, C(19)H(16)N(2)O(3), was derived from the condensation reaction of 2-hydr-oxy-1-naphthyl-aldehyde with 4-methoxy-benzohydrazide. The dihedral angle between the benzene ring and the naphthyl ring system is 6.8 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H⋯O inter-molecular hydrogen bonds, forming chains running along the c axis.
    Acta Crystallographica Section E Structure Reports Online 01/2008; 64(Pt 4):o768. · 0.35 Impact Factor
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    Article: 2'-(3-Bromo-5-chloro-2-hydroxy-benzyl-idene)isonicotinohydrazide methanol solvate.
    Chun-Bao Tang
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    ABSTRACT: The title Schiff base compound, C(13)H(9)BrClN(3)O(2)·CH(4)O, was derived from the condensation reaction of 3-bromo-5-chloro-salicylaldehyde with isonicotinohydrazide. The dihedral angle between the benzene and pyridine rings is 5.9 (2)°. In the crystal structure, mol-ecules are linked through N-H⋯O, O-H⋯O, and O-H⋯Br inter-molecular hydrogen bonds, forming dimers and chains. There is also an intramolecular O-H⋯N hydrogen bond.
    Acta Crystallographica Section E Structure Reports Online 01/2008; 64(Pt 8):o1381. · 0.35 Impact Factor
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    Article: 2-Chloro-N'-(3,5-dibromo-2-hydroxy-benzyl-idene)benzohydrazide methanol solvate.
    Chun-Bao Tang
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    ABSTRACT: The title Schiff base compound, C(14)H(9)Br(2)ClN(2)O(2)·CH(4)O, was derived from the condensation reaction of 3,5-dibromo-salicylaldehyde with 2-chloro-benzohydrazide. The dihedral angle between the two benzene rings is 48.2 (2)°. In the crystal structure, mol-ecules are linked through O-H⋯O and N-H⋯O inter-molecular hydrogen bonds, forming layers parallel to the bc plane. There is also an O-H⋯N intramolecular hydrogen bond.
    Acta Crystallographica Section E Structure Reports Online 01/2008; 64(Pt 8):o1382. · 0.35 Impact Factor
  • Source
    Article: N'-(2-Hydroxy-benzyl-idene)-4-methoxy-benzohydrazide.
    Chun-Bao Tang
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    ABSTRACT: The title Schiff base compound, C(15)H(14)N(2)O(3), was derived from the condensation reaction of salicylaldehyde with 4-methoxy-benzohydrazide. The dihedral angle between the two benzene rings is 2.5 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonds, forming chains running along the b axis.
    Acta Crystallographica Section E Structure Reports Online 01/2008; 64(Pt 4):o767. · 0.35 Impact Factor

Institutions

  • 2008–2011
    • Jiaying University
      Meizhou, Guangdong Sheng, China
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