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PhD Offer at LHFA Toulouse H/F

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : lundi 17 mai 2021

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General information

Reference : UMR5069-SAMLAK-002
Workplace : TOULOUSE
Date of publication : Monday, April 26, 2021
Scientific Responsible name : Sami Lakhdar
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 1 September 2021
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly

Description of the thesis topic

The activation of heteroatom–hydrogen (X–H) bonds has traditionally been preserved for transition metals. Recently, it has been shown that oxidative addition of X–H bonds (amines, alcohols,…) can be achieved with geometrically constrained σ3 phosphorus compounds. However, the reductive elimination step from the resulting hydrophosphiranes (P(V)) is not possible in many cases. The present project proposes a dual catalysis approach, combining phosphorus P(III) organocatalysis with photoredox catalysis to solve this issue. The generated radicals will be employed in organic synthesis and mechanistic aspects of this chemistry will be thoroughly investigated. This conceptually new approach will open a new avenue for the generation of synthetically useful radicals that are derived from X–H derivatives possessing high dissociation energies. The most efficient systems identified in this work will be evaluated as photoinitiating systems of polymerization, showing their high potential applications.

Work Context

The Ph.D. student will join the group of organocatalysis and photochemistry led by Dr. Sami Lakhdar at LHFA-Toulouse. He will work on the development of new approaches for the generation of highly reactive species for the formation of carbon-nitrogen and carbon-oxygen bonds.

Constraints and risks

Nothing to mention

Additional Information

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