Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 33941-15-0, is researched, SMILESS is O1CCOCCOCCOCCOCCNCC1, Molecular C12H25NO5Journal, Article, Chemistry – A European Journal called Hexabenzocoronene Graphitic Nanocoils Appended with Crown Ethers: Supramolecular Chirality Induced by Host-Guest Interaction, Author is Zeng, Wang; Zhang, Wei; Li, Xianying; Jin, Wusong; Zhang, Dengqing, the main research direction is hexabenzocoronene graphitic nanocoil inclusion reaction chirality UV CD; crown ether; hexa-peri-hexabenzocoronene; host-guest interactions; induced helical chirality; nanocoils.Recommanded Product: 33941-15-0.
We have designed and synthesized two new achiral hexa-peri-hexabenzocoronene (HBC) derivatives, HBCCE and HBCTEG-CE, which bear the crown ether as the pendant for the amino acid binding site. The HBCCE self-assembled into a racemic mixture of P- and M-handed helical nanocoils, however, in the presence of chiral amino acid guests, it formed helical nanocoils with one-handed screw sense. The effects of the concentration, type and configuration of the guests on the induced CD (ICD) during the co-assembly of HBCCE with chiral amino acids were also investigated. Addnl., after complete removal of the chiral guests, the optically active nanocoils did not racemize, even in the presence of excess amino acids with the opposite configuration. In contrast, HBCTEG-CE with a long triethylene glycol (TEG) chain between the crown ether group and the HBC unit did not exhibit ICD during the co-assembly with chiral amino acids.
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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem