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7 Results Found

  • Article
  • Open Access
1 Citations
2,527 Views
10 Pages

2 July 2022

The unique enantiomeric pairs of double helices have been found in the structure of the cocrystal between 1,2-diiodotetrafluorobenzene and 2,2′-bi(1,8-naphthyridine). The formation of the supramolecular double helices is driven by the strong bi...

  • Article
  • Open Access
3 Citations
1,659 Views
11 Pages

Supramolecular Double-Helical Polymers: Supramolecular Chiral Induction and Asymmetric Catalysis

  • Xiaojun Guo,
  • Xinyu Jia,
  • Qin He,
  • Wengui Duan,
  • Yanjun Zhang,
  • Yan Huang and
  • Luzhi Liu

28 March 2025

Seeking a supramolecular chiral system induced by trace chiral molecules instead of traditional complex and expensive chiral ligands to achieve high yield or ee value conversion of the products is of great significance in asymmetric synthesis but sti...

  • Article
  • Open Access
9 Citations
5,140 Views
12 Pages

13 April 2021

Knowing the eutectic composition of the binary melting point phase diagrams of the diastereomeric salts formed during the given resolution, the achievable F (F = eeDia*Y) value can be calculated. The same value can also be calculated and predicted by...

  • Article
  • Open Access
10 Citations
3,926 Views
9 Pages

26 February 2019

Enzymatic polymerization has been noted as a powerful method to precisely synthesize polymers with complicated structures, such as polysaccharides, which are not commonly prepared by conventional polymerization. Phosphorylase is one of the enzymes wh...

  • Article
  • Open Access
1 Citations
5,243 Views
15 Pages

Spacer-Controlled Supramolecular Assemblies of Cu(II) with Bis(2-Hydroxyphenylimine) Ligands. from Monoligand Complexes to Double-Stranded Helicates and Metallomacrocycles

  • Norman Kelly,
  • Franziska Taube,
  • Kerstin Gloe,
  • Thomas Doert,
  • Wilhelm Seichter,
  • Axel Heine,
  • Jan J. Weigand and
  • Karsten Gloe

21 September 2016

Reaction of Cu(NO3)2·3H2O or Cu(CH3COO)2·H2O with the bis(2-hydroxyphenylimine) ligands H2L1-H2L4 gave four Cu(II) complexes of composition [Cu2(L1)(NO3)2(H2O)]·MeOH, [Cu2(L2)2], [Cu2(L3)2] and [Cu2(L4)2]·2MeOH. Depending on the spacer unit, the stru...

  • Article
  • Open Access
13 Citations
6,461 Views
12 Pages

Hg(II) Coordination Polymers Based on N,N’-bis(pyridine-4-yl)formamidine

  • Wayne Hsu,
  • Xiang-Kai Yang,
  • Pradhumna Mahat Chhetri and
  • Jhy-Der Chen

11 April 2016

Reactions of N,N’-bis(pyridine-4-yl)formamidine (4-Hpyf) with HgX2 (X = Cl, Br, and I) afforded the formamidinate complex {[Hg(4-pyf)2]·(THF)}n, 1, and the formamidine complexes {[HgX2(4-Hpyf)]·(MeCN)}n (X = Br, 2; I, 3), which have been structurally...