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Metallosupramolecular Assembly of Dinuclear Double Helicates incorporating a Biphenyl-3,3'-diyl Spacer; Molecular Structure of Bisbiphenyl-κ2N,N':κ2N'',N'''>>dicopper(I) Hexafluorophosphate

DOI: 10.1039/DT9940002669

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 2669 - 2678 (1994)

Update date:2022-08-05

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Authors:

Constable, Edwin C.Constable, Edwin C.

Hannon, Michael J.Hannon, Michael J.

Edwards, Andrew J.Edwards, Andrew J.

Raithby, Paul R.Raithby, Paul R.

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Article abstract of DOI:10.1039/DT9940002669

Linking two 2,2'-bipyridine metal-binding domains by a biphenyl-3,3'-diyl spacer provided a new type of helicand, 3,3'-bis<4-(methylsulfanyl)-2,2'-bipyridin-6-yl>biphenyl (L), which has been shown to form dinuclear double-helical complexes with a range of transition-metal ions.The copper(I) complex 2 has been structurally characterised 2 = 0.259 for all data>.These complexes show increased intermetallic separations with respect to analogous complexes formed with ligands in which the metal-bindind domains are directly linked or are connected by a 1,3-phenylene spacer.This provides an additional level of control in the deliberate design of molecules containing helical motifs.Stacking interactions do not appear to be of importance in the stabilisation of these helical structures.The biphenyl spacer does not appear to be sufficiently flexible to permit the formation of triple-helical complexes.

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Product name:3,3'-Bis<4-(methylsulfanyl)-2,2'-bipyridin-6-yl>biphenyl

Cas No:159389-27-2

159389-27-2

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