Download Organosulfur Chemistry in Asymmetric Synthesis by Takeshi Toru, Carsten Bolm PDF
By Takeshi Toru, Carsten Bolm
During this first ebook to assemble the data in this scorching subject another way extensively unfold through the literature, skilled editors and most sensible foreign authors conceal every thing the reader needs—from the synthesis of chiral organosulfur compounds to functions and catalysis: uneven synthesis of chiral sulfinates and sulfoxides Synthesis and use of chiral dithioacetal derivatives, ylids, chiral sulfoximines and sulfinamides Use of chiral sulfoxides as ligands in catalysis uneven reactions of alpha-sulfenyl, alpha-sulfinyl and alpha-sulfonyl carbanions.As a outcome, readers could be capable of increase their very own functionality in uneven synthesis.
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2 Enantiomeric Sulfinic Acid Esters The oldest procedure for the asymmetric synthesis of enantiomeric sulfinic esters involved the stereoselective oxidation of sulfenate esters. 1) [4a]. A similar reaction of benzhydryl p-toluenesulfenate 1b gave optically active benzhydryl p-toluenesulfinate 2b of low optical purity [4b]. Recently, with the use of a modified Sharpless chiral titanium reagent, a few sulfenic esters were converted into the corresponding optically active sulfinic acid esters with enantiomeric excess (ee)-values of up to 36% [4c].
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