Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Spotlights on our sister journals: ChemPlusChem 8/2012

Spotlights on our sister journals: ChemPlusChem 8/2012 CÀH Activation C. J. Shaffer, D. Schrçder,* C. Gütz, A. Lützen* Intramolecular CÀH Bond Activation through a Flexible Ester Linkage Replacing the director: A bipyridinyl ligand with an aliphatic side chain determines the regioselectivity of copper-catalyzed CÀH oxidation by intramolecular effects. Because the aliphatic chain is attached through an ester linkage, the catalytic cycle can in principle be closed by transesterification. Ion-mobility mass spectrometry and isotopic labeling provide mechanistic insight not available from direct mass spectrometry experiments. Angew. Chem. Int. Ed. DOI: 10.1002/anie.201203163 Flow Chemistry J. Zak, D. Ron, E. Riva,* H. P. Harding, B. C. S. Cross, I. R. Baxendale Establishing a Flow Process to Coumarin-8-Carbaldehydes as Important Synthetic Scaffolds Aldehyde on tap: Despite their usefulness as fluorophores and synthetic precursors, efficient and reliable routes to coumarin-8-carbaldehydes are lacking. A high-yielding continuous flow synthesis that requires no manual intermediate purification or work-up is described, giving access to multigram quantities of aldehyde product (see scheme). Chem. Eur. J. DOI: 10.1002/chem.201201039 Cycloaddition P. Lu, E. Herdtweck, T. Bach* Intramolecular [2+2] Photocycloaddition Reactions as an Entry to the 2-Oxatricyclo[4.2.1.04, 9]nonan-3-one Skeleton of Lactiflorin Substitution matters in the [2+2] photocycloaddition of butenolides 1: For X,Y = H and X = OTBS, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ChemPlusChem Wiley

Spotlights on our sister journals: ChemPlusChem 8/2012

ChemPlusChem , Volume 77 (8) – Aug 1, 2012
Download PDF
3 pages

Loading next page...
 
/lp/wiley/spotlights-on-our-sister-journals-chempluschem-8-2012-LU8A8YWUti

References (0)

References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.

Publisher
Wiley
Copyright
Copyright © 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
2192-6506
eISSN
2192-6506
DOI
10.1002/cplu.201290036
Publisher site
See Article on Publisher Site

Abstract

CÀH Activation C. J. Shaffer, D. Schrçder,* C. Gütz, A. Lützen* Intramolecular CÀH Bond Activation through a Flexible Ester Linkage Replacing the director: A bipyridinyl ligand with an aliphatic side chain determines the regioselectivity of copper-catalyzed CÀH oxidation by intramolecular effects. Because the aliphatic chain is attached through an ester linkage, the catalytic cycle can in principle be closed by transesterification. Ion-mobility mass spectrometry and isotopic labeling provide mechanistic insight not available from direct mass spectrometry experiments. Angew. Chem. Int. Ed. DOI: 10.1002/anie.201203163 Flow Chemistry J. Zak, D. Ron, E. Riva,* H. P. Harding, B. C. S. Cross, I. R. Baxendale Establishing a Flow Process to Coumarin-8-Carbaldehydes as Important Synthetic Scaffolds Aldehyde on tap: Despite their usefulness as fluorophores and synthetic precursors, efficient and reliable routes to coumarin-8-carbaldehydes are lacking. A high-yielding continuous flow synthesis that requires no manual intermediate purification or work-up is described, giving access to multigram quantities of aldehyde product (see scheme). Chem. Eur. J. DOI: 10.1002/chem.201201039 Cycloaddition P. Lu, E. Herdtweck, T. Bach* Intramolecular [2+2] Photocycloaddition Reactions as an Entry to the 2-Oxatricyclo[4.2.1.04, 9]nonan-3-one Skeleton of Lactiflorin Substitution matters in the [2+2] photocycloaddition of butenolides 1: For X,Y = H and X = OTBS,

Journal

ChemPlusChem – Wiley

Published: Aug 1, 2012

There are no references for this article.