Letters in Organic Chemistry [Calixarene-Based Hyperbranched Molecules with Tameand Sen Ligand Cores ]

Author(s): Jong S. Kim, Jacques Vicens, Jong H. Jung, Sang H. Lee, Yang Kim, Mouna Mahouachi, Rym Abidi.

Journal Name: Letters in Organic Chemistry

Volume 3 , Issue 6 , 2006

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Reactions between tripodal CH3C(CH2NH2)3 = tame and CH3C(CH2NHCH2CH2NH2)3 = sen with the monomethoxycarbonylmethyl ether 1 lead to the ready isolation of tame-dicalix 2, tame-tricalix 3 and sentricalix 4. Studies of complex formation of 3 and 4 with Zn(II) showed that tame residue is incapable of coordinating the metal in its N3 donor site, while Zn(II) is preferentially coordinated in the carbomethoxyamido functions and two hydroxyl groups of the calix[4]units of 4.

Keywords: Zn-complexation, tripodal ligands, hyperbranched molecules, Calixarenes

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Article Details

Year: 2006
Page: [426 - 429]
Pages: 4
DOI: 10.2174/157017806777828439
Price: $58