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- Title
Bifunctional Ru<sup>II</sup>-Complex-Catalysed Tandem C−C Bond Formation: Efficient and Atom Economical Strategy for the Utilisation of Alcohols as Alkylating Agents.
- Authors
Roy, Bivas Chandra; Chakrabarti, Kaushik; Shee, Sujan; Paul, Subhadeep; Kundu, Sabuj
- Abstract
Catalytic activities of a series of functional bipyridine-based RuII complexes in β-alkylation of secondary alcohols using primary alcohols were investigated. Bifunctional RuII complex ( 3 a) bearing 6,6'-dihydroxy-2,2'-bipyridine (6DHBP) ligand exhibited the highest catalytic activity for this reaction. Using significantly lower catalyst loading (0.1 mol %) dehydrogenative carbon−carbon bond formation between numerous aromatic, aliphatic and heteroatom substituted alcohols were achieved with high selectivity. Notably, for the synthesis of β-alkylated secondary alcohols this protocol is a rare one-pot strategy using a metal-ligand cooperative RuII system. Remarkably, complex 3 a demonstrated the highest reactivity compared to all the reported transition metal complexes in this reaction.
- Subjects
CHEMICAL alcohol synthesis; RUTHENIUM catalysts; SUBSTITUENTS (Chemistry); CARBON-carbon bonds synthesis; BIFUNCTIONAL catalysis; ALKYLATING agents
- Publication
Chemistry - A European Journal, 2016, Vol 22, Issue 50, p18147
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201603557