So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Takeda, Takashi; Ikemoto, Tomohiro; Yamamoto, Shunsuke; Matsuda, Wakana; Seki, Shu; Mitsuishi, Masaya; Akutagawa, Tomoyuki researched the compound: 5,6-Dichloropyrazine-2,3-dicarbonitrile( cas:56413-95-7 ).Related Products of 56413-95-7.They published the article 《Preparation, Electronic and Liquid Crystalline Properties of Electron-Accepting Azaacene Derivatives》 about this compound( cas:56413-95-7 ) in ACS Omega. Keywords: preparation electronic liquid crystalline property electron accepting azaacene derivative. We’ll tell you more about this compound (cas:56413-95-7).
A series of electron-accepting azaacene-type materials with different kinds and degrees of intermol. interactions were synthesized. Simple modification of the terminal substituents significantly modulated the photophys. and electrochem. properties. The degree of the weak intermol. interaction determined the emergence of a liquid crystalline (LC) phase for each compound Dipole-dipole interaction, π-π interaction and van der Waals interaction all contributed to stabilize the LC phase of I [R = C6H13, C12H25, C18H37] and II. The introduction of strong hydrogen bonding interaction enabled the formation of a highly ordered LC phase in III. Charge-transport properties of I, II and III were also investigated.
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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