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Volumn 75, Issue 15, 2010, Pages 4950-4956

Effect of pressure on [2]pseudorotaxane formation and decomplexation and their corresponding activation volumes

Author keywords

[No Author keywords available]

Indexed keywords

[2]PSEUDOROTAXANES; ACTIVATION PARAMETER; ACTIVATION VOLUME; AMMONIUM SALT; APROTIC; DECOMPLEXATIONS; EFFECT OF PRESSURE; HIGH PRESSURE; NON-POLAR SOLVENTS; POLAR SOLVENTS; TRANSITION STATE THEORIES; ZERO PRESSURE;

EID: 77955123969     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo1003955     Document Type: Article
Times cited : (7)

References (130)
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    • 0: 1 / [ 2a ] = k t + 1 / [ 2a ] 0
    • 0: 1 / [ 2a ] = k t + 1 / [ 2a ] 0
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    • See the Supporting Information
    • See the Supporting Information.
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    • ipd) for the ion pairing of the ammonium salts 2 in our solvents at various temperatures and pressures. All of the reported values are those obtained when ion pairing is ignored
    • ipd) for the ion pairing of the ammonium salts 2 in our solvents at various temperatures and pressures. All of the reported values are those obtained when ion pairing is ignored.
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    • The activation volumes of the complexation processes were already reported. (15) The difference of the values between previous studies and this report is due to the addition of another experiment and disparity in pressures
    • The activation volumes of the complexation processes were already reported. (15) The difference of the values between previous studies and this report is due to the addition of another experiment and disparity in pressures.
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    • Merbach groups reported volume profiles for complexation of α-cyclodextrin with diphenyl azo dyes using high-pressure kinetic experiments. The complexation consists of two processes, and generally the activation volumes of both processes were more negative than those of the pseudorotaxane formation; see: Abou-Hamdan, A.; Bugnon, P.; Saudan, C.; Lye, P. G.; Merbach, A. E. J. Am. Chem. Soc. 2000, 122, 592-602
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    • -) increased upon increasing pressure; (3) the activation enthalpy and entropy of 3a were both smaller than those of 3b. See the Supporting Information for additional details
    • -) increased upon increasing pressure; (3) the activation enthalpy and entropy of 3a were both smaller than those of 3b. See the Supporting Information for additional details.


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