15 SepChemical Science Student SeminarN-alkylation of amines via dehydrogenative coupling with alcohol by PNN rhenium pincer complex
N-alkylation of amines via dehydrogenative coupling with alcohol by PNN rhenium pincer complex
  • Nasser Al Obaid, Ms/PhD Student Supervised by Professor Andy Huang
  • Sunday, September 15, 2019
  • 12:30 PM - 01:00 PM
  • Auditorium Between Buildings 4 & 5
2019-09-15T12:302019-09-15T13:00Asia/RiyadhN-alkylation of amines via dehydrogenative coupling with alcohol by PNN rhenium pincer complexNasser Alobaid, MS/PhD Student Supervised By Professor Andy Huang Auditorium Between Buildings 4 & 5Linda J. SapoluLinda.Sapolu@kaust.edu.sa

‚ÄčAbstract:  Tridentate Pincer Ligands with a pyridine backbone and a spacer that could be deprotonated and protonated during the aromatization and dearomatization process. Aromatization and dearomatization of the pincer ligand have provided a unique reactivity, especially in the hydrogenation and dehydrogenation reactions.

Recently, huge developments have been made in the dehydrogenative coupling of aniline and benzyl alcohol via manganese pincer complexes. The most recent papers on that subject have been done by Beller in 2016, Kempe 2018, and Hultzsch 2019. However, Rhenium complexes have not been studied thoroughly even though it is in the same seventh row of the transition metal. Therefore, we have decided to look into rhenium as an alternative. Then, we were able to synthesize a well defined PNN Rhenium pincer complex and further investigation of the aniline and benzyl alcohol dehydrogenative coupling via PNN Rhenium pincer complex has been done. The results show a very interesting reactivity similarly to the manganese PNN pincer complexes that have been reported recently. However, further optimization of the reaction is needed.

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  • Linda J. Sapolu
  • Linda.Sapolu@kaust.edu.sa

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