The direct enantioselective synthesis of quaternary centers is one of the enduring challenges of organic synthesis. Claude Spino of the Université de Sherbrooke reports (J. Am. Chem. Buy1801273-41-5 1255352-25-0 Price…
Lycoposerramine-C Hideki Yorimitsu and Koichiro Ochima of Kyoto University extended (Angew. Chem. Int. Ed. 2009, 48, 7224. DOI: 10.1002/anie.200903178) Pd-catalyzed intramolecular carboamidation to the construction of aziridines such as 3.…
Mark Cushman of Purdue University found (J. Org. Chem. 2010, 75, 3507. DOI: 10.1021/jo1004313) that a benzylic methyl ether 1 could be converted to the aldehyde 2 by N-bromosuccinimide. Two…
And 293 K. Soon after a number of weeks numerous crystals appeared. Crystals grown within the very first , second and third (0.1 M phosphate?citrate pH 4.2, 2.0 M ammonium…
Johannes G. de Vries of DSM Pharmaceuticals prepared (Chem. Commun. 2009, 3747. DOI: 10.1039/b820048c) Fe nanoparticles that selectively mediated the hydrogenation of Z alkenes and not trisubstituted alkenes. This should…
Keiji Maruoka of Kyoto University(J. Am. Chem. 1219741-19-1 site Soc. PMID:25027343 2009, 131, 3450.DOI: 10.1021/ja809963s)and Yujiro Hayashi of the Tokyo University of Science(Chem. Commun. 2009, 3083.DOI: 10.1039/b902287b)independently developed organocatalysts for…
Tehshik P. Yoon of the University of Wisconsin uncovered (J. Am. Chem. Soc. 2009, 131, 14604. DOI: 10.1021/ja903732v) conditions for the crossed photodimerization of acyclic enones. 1019158-02-1 web Minoru Isobe…
(Opatz), (-)-Lycoperine A (Rychnovsky), Fluvirucidine A2 (Suh), Complanidine A (Sarpong) Günter Helmchen of the Ruprecht-Karls-Universität Heidelberg set (Org. 1450752-97-2 In stock Lett. 2010, 12, 1108. DOI: 10.1021/ol1001076) the absolute configuration…
Sunggak Kim of KAIST reported(Synlett 2009, 81.DOI: 10.1055/s-0028-1087385)an improved protocol for the one-carbon free radical homologation of an iodide such as1 to the nitrile. Primary, secondary and tertiary iodides work…
Heshmatollah Alinezhad of Mazandaran University, Iran developed(Tetrahedron Lett. 2009, 50, 659.DOI: 10.1016/j.tetlet.2008.11.102)the reagent 3, a white powder that is stable for many months, as ahydride donor for the reductive amination…
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