Supramolecular double helical Cu(i) complexes for asymmetric cyclopropanation
Literature Information
Publication Date
2007-10-12
DOI
10.1039/B713010D
Impact Factor
6.222
Authors
Chi-Tung Yeung, Ho-Lun Yeung, Chui-Shan Tsang, Wai-Yeung Wong, Hoi-Lun Kwong
View Original
Abstract
Chiral double-stranded helicates, formed between Cu(I) ion and C2-symmetric oligopyridines, were used for catalytic asymmetric cyclopropanation of alkenes; low catalyst loadings (0.2 mol%), high TONs (up to 404) and short reaction times (30–60 min) were achieved with [Cu2L2]OTf2 (L = chiral C2-symmetric terpyridine).
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