Application of 19777-66-3. 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. Compound: (S)-Propane-1,2-diamine dihydrochloride, is researched, Molecular C3H12Cl2N2, CAS is 19777-66-3, about Cold Crystallization of Chiral Schiff-Base Nickel(II) Complex Having Alkyl Chains and a Characteristic Methyl Group.
Mols. exhibiting cold crystallization, an exothermic phenomenon in heating following supercooling, can be used as a heat storing material. However, examples in nonpolymers are still few. A chiral Schiff-base nickel(II) complex, which had a characteristic Me group and long alkyl chains, exhibited complicated thermal behavior including cold crystallization The Me group was a steric barrier to dimerization and mol. stacking, leading to the supercooled state. The thermal behavior of enantiomer was different from that of racemate.
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Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider