Journal
INORGANIC CHEMISTRY
Volume 55, Issue 14, Pages 6988-6994Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.6b00720
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Funding
- EPSRC (UK) [EP/M023834/1]
- Engineering and Physical Sciences Research Council [EP/M023834/1] Funding Source: researchfish
- EPSRC [EP/M023834/1] Funding Source: UKRI
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A series of heterometallic coordination clusters (CCs) [Ni-2(III)(Ln)(III)(2)(L1)(4)Cl-2(CH3CN)(2)] 2CH(3)CN [Ln = Y (1Y), Sm (1Sm), Eu (1Eu), Gd (1Gd), or Tb (1Tb)] were synthesized by the reaction of (E)-2-(2-hydroxy-3-methoxybenzylidene-amino)phenol) (H(2)L1) with NiCl2 center dot 6(H2O) and LnCl(3)center dot x(H2O) in the presence of Et3N at room temperature. These air-stable CCs can be obtained in very high yields from commercially available materials and are efficient catalysts for the room-temperature domino ring-opening electrocydization synthesis of trans-4,5-diaminocyclopent-2-enones from 2-furaldehyde and primary or secondary amines under a non-inert atmosphere. Structural modification of the catalyst to achieve immobilization or photosensitivity is possible without deterioration in catalytic activity.
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