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Georges Dewynter

Researcher at University of Montpellier

Publications -  33
Citations -  510

Georges Dewynter is an academic researcher from University of Montpellier. The author has contributed to research in topics: Chlorosulfonyl isocyanate & Mitsunobu reaction. The author has an hindex of 16, co-authored 33 publications receiving 495 citations. Previous affiliations of Georges Dewynter include University of Rennes.

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Synthesis of pseudonucleosides containing chiral sulfahydantoins as aglycone (II)

TL;DR: In this article, a series of chiral sulfahydantoins have been synthesized by alkaline cyclization starting from N-sulfamylaminoacid methyl esters.
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A new family of potential oncostatics: 2-chloroethylnitrososulfamides (CENS)--I. Synthesis, structure, and pharmacological evaluation (preliminary results).

TL;DR: A new series of alkylating agents, CENS, were developed on the model of 2-chloroethylnitrososulfamides and shows a significant oncostatic activity towards both A549 and MCF7 cell lines.
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Synthèse de “sulfahydatoïnes” chirales. Aspects stéréochimiques et protection régiospécifique.

TL;DR: The enantiospecific synthesis of N 2 -benzyl-1-thia-2,5-diazolidin-3-one dioxides (sulfa-analogues of hydantoins) was carried out through two convergent pathways starting from chlorosulfonyl isocyanate (CSI) and chiral α-amino- and hydroxyesters as discussed by the authors.
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Transannular rearrangement of activated 2,5-diketopiperazines: a key route to original scaffolds.

TL;DR: This powerful ring contraction allows for example the one-step synthesis of various tetramic acids, access to 2-disubstituted statins, or the synthesis of relevant lactam-constrained dipeptide mimetics using a TRAL-RCM sequence.
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Synthesis of n-sulfamoyloxazolidinones and -perhydrooxazinones reactivity and use as donors in the transsulfamoylation reaction; application to the preparation of 2-chloroethylnitrososulfamides. IV

TL;DR: In this paper, sulfamoyloxazolidinones and sulfamoysperhydrooxazinones were revealed as efficient 2-chloroethylsulfamoyls donors in the 2 -chlorosulfamides synthesis; five new CENS (derivated from heterocyclic amines and amino acids) were thus synthezised.