Encapsulating property of ap-t-butylcalix[6]arene derivative: Formation of charge-transfer complexes of alkadienes with iodine in the presence of octopus-type calix[6]arene |
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Authors: | Eisaku Nomura Yoshio Otsuji Hisaji Taniguchi |
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Institution: | (1) Industrial Technology Center of Wakayama Prefecture, 649-62 Ogura, Wakayama, Japan |
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Abstract: | This paper deals with the ability ofp-tert-butylcalix6]arene derivative1, which has six 3,6,9-trioxadecyl substituents at the phenolic oxygens, to encapsulate CT complexes of alkadienes with iodine. By adding I2 to alkadienes in CH2Cl2 in the presence of1, the absorbance at 363 nm, which was ascribed to I
3
–
ion, increased in the order: 1,5-hexadiene<1,9-decadiene 1,7-octadiene. The reactivity features of the CT complexes in the presence of1 are discussed. |
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Keywords: | Encapsulating property ofp-t-butylcalix[6]arene derivative charge-transfer complex iodine dfene |
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