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2. December 2021
New papers by Jonas Wunsch & Daniel Eppel

Two papers published with partic­i­pa­tion of Jonas Wunsch and Daniel Eppel

Two papers published with partic­i­pa­tion of Jonas Wunsch and Daniel Eppel. 

The article, co-authored by Jonas Wunsch and A. Stephen K. Hashmi, entitled "Gold-catalyzed synthe­sis of phospho­nate-substi­tuted oxetan-3-ones — an easy access to highly strained HWE reagents" was published in the journal Organic Chemistry Frontiers. The team has devel­oped a method for the synthe­sis of phospho­nate-substi­tuted oxetan-3-ones. These can be used as HWE reagents, upon reaction with aldehy­des to get other­wise diffi­cult to obtain alkenes. Due to the easy acces­si­bil­ity of these highly strained HWE reagents and the possi­bil­ity to further trans­fer these substrates, this method­ol­ogy might become attrac­tive as new tool for natural product synthesis.

Another article co-authored by Daniel Eppel and A. Stephen K. Hashmi entitled "Gold(III) Meets Azulene: A Class of [(tBuC∧N∧C)AuIII(azulenyl)] Pincer Complexes " was published in Organometallics. In the past decade high inter­est in the devel­op­ment of efficient and modular azulene synthe­ses has arisen, which can be ratio­nal­ized by its extra­or­di­nary proper­ties and the poten­tial for mater­ial science, bioimag­ing, medic­i­nal chemistry, and stimuli-response materi­als. The team has devel­oped a synthetic route to new gold(III) complexes.

From a [(tBuC∧N∧C)AuCl] complex as a precur­sor, a substi­tu­tion by differ­ent azulene moieties was achieved. Because of the extra­or­di­nary photo­phys­i­cal proper­ties of both substi­tuted [(C∧N∧C)Au] compounds and azulene build­ing blocks, the fusion of these gener­ated organometal­lic azulene/gold(III) pincer hybrids was possi­ble. The complexes show HOMO/LUMO gaps, which made them candi­dates for perovskite solar cells.

Congrat­u­la­tions to the working group of Hector Fellow A. Stephen K. Hashmi!