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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 1, Number 3
BKCSDE 1(3)
March 20, 1980

Title	The Molecular Complexes (ⅩI). The Complexes of Toluidines and N-Methyltoluidines with Iodine in Carbon Tetrachloride
Author	Sang Up Choi, Myung Sook Rhee
Keywords
Abstract	The interactions of iodine with toluidines (o-, m-, and p-) and N-methyltoluidines (o-, m-, and p-) in CCl4 solution have been investigated through spectrophotometric measurements. The results indicate that toluidines and N-methyltoluidines form the one-to-one charge-transfer complexes with I2 in solution. By comparing the values of the formation constants of the complexes, it is concluded that the relative stabilities of the I2-amine complexes decrease in the following orders: p-toluidine > m-toluidine > aniline > o-toluidine, N-methyl-p-toluidine > N-methyl-m-toluidine > N-methylaniline > N-methyl-o-toluidine N-methyltoluidines > toluidines. These results can be explained by the electron-releasing character and the steric effect of methyl group in the amine molecules.
Page	101 - 104
Full Text	PDF

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