引用本文:
Wen Guang LI, Xiu Qin RUAN, Qing Xiang GUO, You Cheng LIU. Inclusion Complexation of β-CD with Phenothiazine and N-Alkylphenothiazine Derivatives[J]. Chinese Chemical Letters,
1998, 9(11): 1051-1054.
Citation: Wen Guang LI, Xiu Qin RUAN, Qing Xiang GUO, You Cheng LIU. Inclusion Complexation of β-CD with Phenothiazine and N-Alkylphenothiazine Derivatives[J]. Chinese Chemical Letters, 1998, 9(11): 1051-1054.
Citation: Wen Guang LI, Xiu Qin RUAN, Qing Xiang GUO, You Cheng LIU. Inclusion Complexation of β-CD with Phenothiazine and N-Alkylphenothiazine Derivatives[J]. Chinese Chemical Letters, 1998, 9(11): 1051-1054.
Inclusion Complexation of β-CD with Phenothiazine and N-Alkylphenothiazine Derivatives
摘要:
Inclusion of β-cyclodextrin (β-CD) with phenothiazine 1 and N-alkylpheno-thiazine derivatives (alkyl=ethyl 2, isobutyl 3 and isopentyl 4) in aqueous solution was studied by means of UV-vis spectroscopy. The association constant Ka values for the inclusion of β-CD with 1,2, 3 and 4 were determined to be 188, 214, 129 and 80 L/mol, respectively. It indicates that the stability of the inclusion complexes is dependent on the structure and the volume of the substituents in the guest compounds.
English
Inclusion Complexation of β-CD with Phenothiazine and N-Alkylphenothiazine Derivatives
Abstract:
Inclusion of β-cyclodextrin (β-CD) with phenothiazine 1 and N-alkylpheno-thiazine derivatives (alkyl=ethyl 2, isobutyl 3 and isopentyl 4) in aqueous solution was studied by means of UV-vis spectroscopy. The association constant Ka values for the inclusion of β-CD with 1,2, 3 and 4 were determined to be 188, 214, 129 and 80 L/mol, respectively. It indicates that the stability of the inclusion complexes is dependent on the structure and the volume of the substituents in the guest compounds.
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Key words:
- β-cyclodextrin
- / inclusion complex
- / phenothiazine derivatives
- / stability
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