Zinc complexes incorporating with symmetrical and asymmetrical polydentate nitrogen-donor pyrrolyl ligands: Synthesis, characterization, and ring-opening polymerization

Ching Sheng Hsiao, Ting Yin Wang, Amitabha Datta, Fu Xing Liao, Chin Han Hu, Chia Her Lin, Jui Hsien Huang, Ting Yu Lee

研究成果: Article同行評審

9 引文 斯高帕斯(Scopus)

摘要

The reactions of Zn-alkyls with bidentate as well as symmetrical and asymmetrical tridentate pyrrolyl ligands, have been carried out and characterized. Reacting ZnR 2 with 1 equiv of C 4H 3NH(2-CH 2NH tBu) in diethyl ether yields [Zn{C 4H 3N(2-CH 2NH tBu)}R] (1, R = Me; 2, R = Et) in high yield. Similarly, the reactions of 2 equiv of C 4H 3NH(2-CH 2NH tBu) and ZnR 2 (R = Me, Et) in toluene both produce [Zn{C 4H 3N(2-CH 2NH tBu)} 2] (3). Furthermore, while subjecting 2 equiv of C 4H 2NH(2-CH 2NH tBu)(5-CH 2NMe 2) with ZnMe 2 in diethyl ether, affords [Zn{C 4H 2N(2-CH 2NH tBu)(5-CH 2NMe 2)} 2] (4) and additionally, reacting C 4H 2NH(2,5-CH 2NH tBu) 2 with ZnMe 2 generates [Zn{C 4H 2N(2,5-CH 2NH tBu) 2} 2] (5) in satisfactory yield. All the aforementioned compounds were characterized by 1H and 13C NMR spectrometry and the molecular structures were determined by single crystal X-ray diffractometry. Compounds 1, 3, 4 and 5 are moderate catalysts for the ring-opening polymerization of ε-caprolactone in toluene.

原文English
頁(從 - 到)82-88
頁數7
期刊Journal of Organometallic Chemistry
718
DOIs
出版狀態Published - 2012 十一月 1

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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