Correction for 'Synthesis of medium-sized (6-7-6) ring compounds by iron-catalyzed dehydrogenative C-H activation/annulation' by Niranjan Panda et al., Org. Biomol. Chem., 2018, 16, 7861-7870.
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Correction: Synthesis of medium-sized (6-7-6) ring compounds by iron-catalyzed C-H activation/annulation.
Org Biomol Chem
March 2019
Department of Chemistry, National Institute of Technology, Rourkela, Odisha-769008, India.
Correction for 'Synthesis of medium-sized (6-7-6) ring compounds by iron-catalyzed dehydrogenative C-H activation/annulation' by Niranjan Panda et al., Org. Biomol.
View Article and Find Full Text PDFSynthesis of medium-sized (6-7-6) ring compounds by iron-catalyzed C-H activation/annulation [corrected].
Org Biomol Chem
October 2018
Department of Chemistry, National Institute of Technology, Rourkela, Odisha-769008, India.
In this report, we have described a FeCl3-catalyzed process involving intramolecular annulation of o-phenoxy diarylacetylenes via hydroarylation to afford a series of biologically potent fused seven-membered (6-7-6) ring compounds under mild reaction conditions. This reaction was believed to proceed through Friedel-Crafts type sequential carbometallation followed by protonation to produce phenyldibenz[b,f]oxepines. This method was also extended to synthesize seven-membered rings that are fused with coumarins.
View Article and Find Full Text PDFRadical-Mediated 1,2-Formyl/Carbonyl Functionalization of Alkenes and Application to the Construction of Medium-Sized Rings.
Angew Chem Int Ed Engl
November 2016
Department of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P.R. China.
A novel radical 1,2-formylfunctionalization of alkenes involving 1,2(4,5)-formyl migration triggered by addition of various carbon- and heteroatom-centered radicals to alkenes has been developed for the first time, thus providing straightforward access to diverse β-functionalized aldehydes with good efficiency, remarkable selectivity, and excellent functional group tolerance. Analogous transformations mediated by a keto-carbonyl migration have also been effected under similar conditions. This method was used to access ring systems including various benzannulated nine-, ten-, and eleven-membered rings, complex 6-5(6,7)-6(5) fused rings, and bridged rings with diverse functionalities.
View Article and Find Full Text PDFLong-term effects of high-efficiency on-line haemodiafiltration on uraemic toxicity. A multicentre prospective randomized study.
Nephrol Dial Transplant
August 2011
Nephrology and Dialysis Units of Bolognini Hospital, Seriate, Italy.
Background: Haemodiafiltration (HDF) may improve survival of chronic dialysis patients. This prospective, multicentre randomized cross-over study evaluated the effects of long-term on-line HDF on the levels of solutes of different molecular weight markers or causative agents of the most common metabolic derangements in uraemia.
Methods: Sixty-nine patients from eight Italian centres were randomly assigned to two 6-month treatment sequences: A-B and B-A [A, low-flux haemodialysis (HD) and B, on-line HDF].
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