S
Samir Z. Zard
Researcher at École Polytechnique
Publications - 584
Citations - 11608
Samir Z. Zard is an academic researcher from École Polytechnique. The author has contributed to research in topics: Xanthate & Radical. The author has an hindex of 50, co-authored 575 publications receiving 10739 citations. Previous affiliations of Samir Z. Zard include Roussel Uclaf & Centre national de la recherche scientifique.
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A new, practical access to amidyl radicals
Cecile Moutrille,Samir Z. Zard +1 more
TL;DR: Amidyl radicals are readily generated from N-allylsulfonimides by the action of a xanthate and a small amount of a peroxide as initiator and the N-amidosulfonyl radical is prematurely captured by the internal olefinic trap.
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Synthesis of 3-Arylpiperidines by a Radical 1,4-Aryl Migration
TL;DR: The sequence requires a xanthate addition to an N-allylarylsulfonamide, followed by acetylation and treatment with dilauroyl peroxide to give the 1,4-aryl transfer product, which upon acidic hydrolysis affords the desired piperidine derivative.
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A versatile radical based synthesis of γ—lactams using nickel powder / acetic acid
TL;DR: A variety of γ-lactams are obtained from suitable α-haloamides by a radical cyclisation mediated by a combination of nickel powder and acetic acid.