Isoda, Kyosuke; Takahashi, Hinako; Mutoh, Yuichiro; Hoshino, Norihisa; Akutagawa, Tomoyuki published the article 《One-dimensional single-helix coordination polymer self-assembled by a crown-ether appended-N-heteroacene radical anion》. Keywords: heteroacene crown ether radical anion preparation crystal mol structure; dicyanopentaoxacyclopentadecinopyrazinoquinoxaline preparation crystal mol structure reaction alkali tetraphenylborate.They researched the compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile( cas:56413-95-7 ).HPLC of Formula: 56413-95-7. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:56413-95-7) here.
A crown-ether appended N-heteroacene 1 was reduced in the presence of NaBPh4 to the radical anion 2 by accepting one electron transferred from both the cathode and BPh4- as a reductant. The obtained radical anion 2 can function as a radical anion ligand to bridge two sodium ions to self-assemble into one-dimensional helical coordination polymers.
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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate