By François Diederich, Peter Stang, Rik R. Tykwinski
Acetylenes are a big and helpful category of compounds in natural synthesis. This e-book expands in this traditionally well-established proposal, whereas incorporating the numerous new advancements that experience widened the variety of functions during this box. It continues to be the single instruction manual to be had that embodies all of the very important aspects of acetylene chemistry. Following the 1st part on synthesis, the prime authors take care of complex fabrics earlier than turning to the homes and concept of acetylenes, whereas a last part seems to be on the organic elements. With its diversity of experimental methods, this ebook is a pragmatic relief for either natural and organometallic chemists, in addition to for fabrics scientists, biochemists, and commercial chemists.
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Extra info for Acetylene Chemistry: Chemistry, Biology, and Material Science
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11) . 3), the chiral sulfinyl group of 36 can be readily removed by treatment with anhydrous HCl in dioxane to give the corresponding N-unsubstituted vinylaziridines as hydrochloride salts in over 90 % yields. 10 Reagent-controlled synthesis of chiral vinylaziridines. 11 Asymmetric synthesis of vinylaziridines by use of a chiral auxiliary. 12). These adducts were easily converted into vinylaziridines 41 on treatment with trimethylphosphite, although the stereochemistries of 39, 40, and 41 are unclear .
K. Aggarwal, J. P. H. Charment, C. Ciampi, J. M. Hornby, C. J. O’Brian, G. Hynd, R. Parsons, J. Chem. , Perkin Trans. 1 2001, 1, 3159. V. K. Aggarwal, J. Vasse, Org. Lett. 2003, 5, 3987. 1 Introduction Among the variously functionalized aziridines, vinylaziridines are increasingly being exploited as versatile building blocks for the stereoselective synthesis of biologically and synthetically important compounds, thanks to their high reactivity and ability to function as carbon electrophiles. Ring-opening reactions of vinylaziridines can be effected by various carbon and heteroatom nucleophiles to produce a variety of functionalized amine derivatives such as sphingosines, allyl amines, and (E)-alkene dipeptide isosteres.