Di- and Linear Tri-nuclear Carbonyl Ruthenium Clusters containing Asymmetrically Bridging 2,7-Disubstituted Naphthyridines

DOI: 10.1039/DT9950002663

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 2663 - 2670 (1995)

Update date:2022-08-04

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Authors:

Mintert, Markus

Sheldrick, William S.

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Article abstract of DOI:10.1039/DT9950002663

The diruthenium(I) complex cis- 1 was prepared by reaction of 2-benzylamino-7-methyl-1,8-naphthyridine (Hbmnapy) with in benzene.The N¹,N² co-ordination mode of the bridging ligands is supplemented by N⁸ as an axial donor atom.In contrast, the analogous reaction with 7-methyl-1,8-naphthyridin-2-one (Hmonapy) or the corresponding 5-methyl-7-phenyl derivative (Hmopnapy) afforded the respective trinuclear clusters cis- 2 and cis- 3, which exhibit three-atom chains with 46 valence electrons.X-Ray structural analyses demonstrate that the Ru-Ru bond distance remains effectively unchanged on going from the Ru2 unit in 1 <2.707(1) Angstroem> to the Ru3 sequence in 3 , for which an Ru-Ru-Ru angle of 168.6(3) deg is observed.

Full text of DOI:10.1039/DT9950002663

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