Matches in SemOpenAlex for { <https://semopenalex.org/work/W1994177550> ?p ?o ?g. }
- W1994177550 endingPage "260" @default.
- W1994177550 startingPage "253" @default.
- W1994177550 abstract "The neutral host cucurbit[7]uril forms very stable complexes with a series of cationic cholines (R3NCH2CH2OR′+) and their phosphonium analogues (R3PCH2CH2OR′+) (R3 = Me3, Et3, or Me2Bz, or R3N = quinuclidinium, and R′ = H, COCH3, CO(CH2)2CH3, or PO3H), and (±)-carnitine, in aqueous solution. The complexation behaviour has been investigated using 1H and 31P NMR spectroscopies, and ESI mass spectrometry. The complexation-induced chemical shift changes of the guests clearly indicate the effects of replacing the N(CH3)3+ end group by P(CH3)3+, and changing the nature of R on the position of the guest with respect to the CB[7] cavity and its polar portal-lining carbonyl groups. This study demonstrates that molecular recognition of cholines in aqueous solution is achievable with a neutral host without the need for aromatic walls for cation–π interactions." @default.
- W1994177550 created "2016-06-24" @default.
- W1994177550 creator A5023317620 @default.
- W1994177550 creator A5036202487 @default.
- W1994177550 date "2010-01-01" @default.
- W1994177550 modified "2023-10-18" @default.
- W1994177550 title "Cucurbit[7]urilhost–guest complexes of cholines and phosphonium cholines in aqueous solution" @default.
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