Studies on Synthesis and Properties of Supermolecular Compound Involving Cobaltoximes with a Long Chain Alkyl and β-CD

Abstract

Abstract: Two supermolecular adducts involving p-cyclodextrin(β-CD) and long carbonchain alkyl (aqua) cobaltoximes (R= C₆H₁₃ and C₈H₁₇) have been synthesized for the firsttime and characterized by elementary analysis, UV-Vis and ¹H NMR.We used the cyclicvoltammetry methods to characterize the electrochemical behaviour of the inclusion process.In addition, their formation constant K_a was quantitatively determined by using UV-Vismethods.It has been shown that the longer the carbon chain of the alkyl groups are, themore stable the inclusion complexes are.furthermore, by adding n-C₈H₁₇Co (DH)₂H₂O/β-CDto the aqueous solution, it has been found that the formation constant decreased.

Key words: Alkylcobaltoxime, β-Cyclodextrin, Supermolecular, Formation constant

CLC Number:

O627.8

TrendMD:

XIANG Ping, LUO Lai-Bin, CHEN Ying, CHEN Hut-Lan. Studies on Synthesis and Properties of Supermolecular Compound Involving Cobaltoximes with a Long Chain Alkyl and β-CD[J]. Chem. J. Chinese Universities, 1997, 18(11): 1753.

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Studies on Synthesis and Properties of Supermolecular Compound Involving Cobaltoximes with a Long Chain Alkyl and β-CD

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