التفاصيل البيبلوغرافية
| العنوان: |
Synthesis and liquid crystal properties of dinuclear cyclopalladated 5-alkyl-2-(4′-alkoxyphenyl)pyrimidine and 3-(4′-alkoxyphenyl)-6-alkoxypyridazine complexes. |
| المؤلفون: |
Wenjie Guang, Ernst J.R., Jie Han, Wen Wan, Ernst J.R., Keqing Zhao, Ernst J.R., Liangfu Zhang, Ernst J.R. |
| المصدر: |
Liquid Crystals; Nov2003, Vol. 30 Issue 11, p1259, 6p |
| مصطلحات موضوعية: |
LIQUID crystals, COMPLEX compounds, POLARIZING microscopes |
| مستخلص: |
The dinuclear cyclopalladated complexes [Pd(L 1 or L 2 )(µ- X )] 2 (HL 1 =5-alkyl-2-(4′-alkoxyphenyl)pyrimidine, HL 2 =3-(4′-alkoxyphenyl)-6-alkoxypyridazine, X =Cl - , CH 2 ClCOO - , CH 2 BrCOO - , CH 3 CHBrCOO - , CH 2 BrCH 2 COO - , CH 3 COO - ) have been synthesized and characterized; their mesogenic properities were determined by DSC and polarizing microscopy. The effect of the bulk and the polarity of the bridging ligands on their mesogenic properties is discussed. The effect of the length of the alkyl chains on the mesogenic properties of these organometallic complexes has also been investigated. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
