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Complexation Properties and Synthesis of 1,2-Bis(2 ,2' -bipyridinyl)ethylene and 1,2-Bis(2,2' -bipyridinyl)ethane Ligands with Cu(I)

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Chemical Research in Chinese Universities 1990年第3期6卷 183-187页

作者： he yongbing and lehn jean-marie (Institut Le Bel,Universite Louis Pasleur, A, rue Blaise Pascal, 67000 Strasbourg, France) department of chemistry, wuhan university, wuhan.

l,2-Bis(2,2'-bipyridinyl)ethylene(1) ligand was synthesized by Wittig-Horner reaction and 1, 2-Bis(2, 2'-bipyridinyl)ethane(2) ligand(which can be obtained via another route ) was prepared by hydrogenation of (1). The formation of complexes of (1) and (2) with copper (I) has been studied. The influence of the different bridge chains (CH =CH, CH2CH2) on complexation is discussed on the basis of 1H NMR spectra. Keywords Dipyridine aldehyde, Dipyridine derivative, Copper complex

关键词： BP Complexation Properties and Synthesis of 1,2-Bis bipyridinyl)ethylene and 1,2-Bis bipyridinyl)ethane Ligands with Cu

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Synthesis of a novel macrocyclic ligand containing bipyridine units

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Chinese Journal of chemistry 2000年第3期18卷 384-387页

作者：何永炳 lehn jean-marie department of chemistry Wuhan University Wuhan Hubei 430072 China

The 6-hydroxymethyl-6'-tetrahydropyranyloxymethyl-2, 2'-bipyridine (2) was synthesized by the reaction of 6,6'-dihydroxymethyl-2, 2'-bipyridine (1) with 3, 4-dihydroxypyran (DHP). ***-6'-iodomethyl-2, 2'-bipyridine (5) was obtained from mesylate and iodizating reaction of compound 2. The coupling of 2 and 5 followed by hydrolysis gave bis(6'-hydroxymethyl-2, 2'-bipyridine-6-methyl) ether (7). The macrocyclic ligand 8 was obtained by treating 7 and 6, 6'-dibromethyl-2, 2'-bipyridine. The synthetic conditions of the intermediate 2 and macocyclic ligand 8 were discussed.

关键词： azacrown ether bipyridine derivative macrocyclic ligand

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Frontier orbital interactions of electron pushing and drawing substituents with ferrocenyl group

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Science China chemistry 1997年第3期40卷 236-244页

作者：姜月顺柴向东杨文胜张东曹云伟诸真家李铁津 jean-marie lehn department of chemistry Jilin university Changchun 130023 China Chimie des Interactions Moléculaires Collège de France 11 Place Marcelin Berthelot 75005 Pairs France

The frontier orbital interactions of electron pushing and drawing substituents with ferrocenyl group were analyzed based on the electrochemical,UV visible spectral and spectroelectrochemical results of five ferrocene derivatives,R-Fc-A1(PⅠ),A1-Fc-A1(PⅡ),D-Fc-R (PⅢ),D-Kc-A1(PIV) and D-Fc-A2(PV)(R,CH2OH;A1 CHO;A2,CH=C(CN)2 and D,(C18H37)2N-C6H4-CH=CH) It was found that there are strong interactions of the LUMO (πA) of electron drawing substituents with le2g(dxy,dx2 y2)and e2u of the ferroeenyl group because the energy levels of πA and e2g,C2U of (Cp )2 are close,which lower not only the energy levels of bonded orbits,πA+ and dx2-y2+[πA] of PⅠ,PⅡ,PⅣ and PⅤobviously,but also those of their non-bonded orbu dxy For PⅢ,PⅣ and PⅤ,there are strong interactions of HOMO(πD) of the electron pushing substituent with le of the ferrocenyl group because the levels of πD and e of (Cp)2 are close,which result in the formation of anti-bonded orbit,πD- and bonded orbit

关键词： ferrocene derivatives frontier orbital interactions electron pushing and drawing substituents electrochemistry spectroscopy

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