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- Title
Crystal and molecular structure of two new Schiff bases: Paeonol-ethylenediamine and paeonol-1,3-propylenediamine.
- Authors
Xu, T.-T.; Xu, X.-Y.; Gao, J.; Ni, Sh.-Sh.; Wang, D.-Q.; Lu, L.-D.; Yang, X.-J.; Wang, X.
- Abstract
Two new Schiff bases were prepared by the condensation reaction of paeonol with ethylenediamine (for compound 1) and 1,3-propylenediamine (for compound 2). The compounds were studied with single crystal X-ray diffraction method. Compound 1 is monoclinic, space group P21/ c, a = 10.956(15) Å, b = 6.767(10) Å, c = 12.494(18) Å; β = 104.66(2)°, V = 896(2) Å3, Z = 2. Compound 2 is triclinic, space group P-1, a = 6.878(2) Å, b = 12.141(4) Å, c = 12.414(4) Å; α = 101.023(6)°, β = 103.415(6)°, γ = 102.337(6)°, V = 952.8(6) Å3, Z = 2. The molecular structures of 1 and 2 are similar; the molecule being centrosymmetric in 1 but asymmetric in 2.
- Subjects
CRYSTALS; MOLECULAR structure; ETHYLENEDIAMINE; X-ray diffraction; METHANOL; ANTIOXIDANTS; CHEMISTRY
- Publication
Journal of Structural Chemistry, 2007, Vol 48, Issue 1, p193
- ISSN
0022-4766
- Publication type
Article
- DOI
10.1007/s10947-007-0031-y