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Beta,beta-Disilylated Sulfones as Versatile Building Blocks in Organic Chemistry – A New Sulfonyl Carbanion Transmetalation
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SYSNO ASEP 0348884 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Beta,beta-Disilylated Sulfones as Versatile Building Blocks in Organic Chemistry – A New Sulfonyl Carbanion Transmetalation Author(s) Puget, Bertrand (UOCHB-X)
Jahn, Ullrich (UOCHB-X) ORCIDNumber of authors 2 Source Title Synlett. - : Georg Thieme Verlag - ISSN 0936-5214
-, č. 17 (2010), s. 2579-2582Number of pages 4 s. Language eng - English Country DE - Germany Keywords carbanions ; transmetalation ; silanes ; sulfones ; Julia olefination Subject RIV CC - Organic Chemistry CEZ AV0Z40550506 - UOCHB-X (2005-2011) UT WOS 000283049600010 DOI 10.1055/s-0030-1258772 Annotation 1,3-Bis(trimethylsilyl)propyl phenyl sulfone undergoes, in contrast to all reported sulfones bearing a-hydrogen atoms, an initial ortho metalation to an aryllithium at low temperature, which transmetalates quantitatively to the corresponding a-sulfonyl organolithium intermediate. Both organolithiums react selectively with aldehydes to give the corresponding products in good to excellent yields with high selectivity. Workplace Institute of Organic Chemistry and Biochemistry Contact asep@uochb.cas.cz ; Kateřina Šperková, Tel.: 232 002 584 ; Viktorie Chládková, Tel.: 232 002 434 Year of Publishing 2011
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