Explore the words cloud of the PTALLENEST project. It provides you a very rough idea of what is the project "PTALLENEST" about.
The following table provides information about the project.
UNIVERSITY OF EAST ANGLIA
|Coordinator Country||United Kingdom [UK]|
|Total cost||91˙727 €|
|EC max contribution||91˙727 € (100%)|
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
|Duration (year-month-day)||from 2015-04-13 to 2016-04-12|
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|1||UNIVERSITY OF EAST ANGLIA||UK (NORWICH)||coordinator||91˙727.00|
For some time allenes were considered simple curiosities because of their apparent unstable nature. However, in the last few years the chemistry of allenes has been extensively developed since they have shown an interesting reactivity and selectivity affording complex structures in an atom economic manner. Bis-allenes have recently appeared as useful building blocks for the synthesis of carbo- and heterocycles. However, their reaction with nucleophiles has barely been studied. The main objective of this project deals with a recently discovered Pt-catalysed reaction of bis-allenes with oxygen nucleophiles leading to seven membered cycles with a molecule of the nucleophile incorporated in the final skeleton. This new reaction could involve a double coordination of the Pt atom to both allenes, but the mechanism remains unclear. Recent studies in Dr Muñoz’s group suggest that the Pt, in addition to the more common η2-coordination with the allene, can also appear as a η1-structure, with the Pt atom coordinated to the central carbon of the allene. The discoveries in this field highlight the importance of acquiring knowledge in the bis-allene coordination, since this information could lead to the preparation of more selective catalyst as well as the isolation of reactive intermediates that can be milestones for the construction of new interesting scaffolds. The present project attempts to shed light into the Pt-bis-allene interaction, to exploit the implications of the coordination modes in the reaction mechanisms, and to apply the gained knowledge to the synthesis of new natural-product like structures with potential biological activity.
|year||authors and title||journal||last update|
MarÃa Teresa QuirÃ³s, Enrique GÃ³mez-Bengoa, MarÃa Paz MuÃ±oz
Unravelling mechanistic insights in the platinum-catalysed dihydroalkoxylation of allenes
published pages: 167-177, ISSN: 0033-4545, DOI: 10.1515/pac-2019-0214
|Pure and Applied Chemistry 92/1||2020-01-30|
JosÃ© Miguel Alonso, MarÃa Teresa QuirÃ³s, MarÃa Paz MuÃ±oz
Chirality transfer in metal-catalysed intermolecular addition reactions involving allenes
published pages: in press, ISSN: 2052-4129, DOI: 10.1039/C6QO00207B
|Org. Chem. Front. 12 issues per year||2019-07-24|
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