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Development of Data-assisted Photo-Organocatalytic Transformations

Project description

Applying data science to photocatalyst design

Organophotoredox catalysis has gained significant attention in sustainable chemistry. This method uses affordable, metal-free dyes that can be tailored for specific reactions. However, predicting how these dyes will behave in different systems is challenging. Traditional approaches often rely on trial-and-error methods that are time-consuming and costly. With the support of the Marie Skłodowska-Curie Actions programme, the PhotoCatData project aims to apply a data-driven solution to streamline photocatalyst design and reaction discovery. The study will utilise machine learning to correlate photocatalyst structures with their performance. Next, the proposed photochemical methodologies will be adapted for flow processes, enabling the efficient, large-scale production of valuable compounds. Project methodologies should help save time, cut costs and expand the potential of organophotoredox catalysis.

Objective

Photocatalysis is now a well-established method for developing sustainable protocols in synthetic organic chemistry. Organophotoredox catalysis, in particular, is gaining significant interest due the use of inexpensive, easy-to-make, metal-free organic dyes with tunable photophysical properties. Structural modification of these organic molecules is crucial to fine-tune their redox features for desired photochemical transformations. However, predicting the final excited-state properties of functionalized dyes remains challenging, especially when compatibility with the reaction system is required. This has led to a resource-intensive trial-and-error approach to identify the optimal photocatalyst structure for specific transformations, limiting its widespread application. A promising solution is data science, which can streamline the relationship between the chemical structure of dyes and their function, facilitating their application. The computer-assisted development of innovative systems in organophotoredox catalysis can offer novel possibilities for large-scale applications, reducing time, reagent consumption, and costs compared to traditional methods. This proposal aims to develop new data-assisted protocols for reaction discovery and photocatalyst design. During the outgoing phase at the University of Utah, under Prof. Sigman's supervision, machine learning algorithms will be used to correlate photocatalysts' structures with their functions. Classification tools will explore reactivity cliffs, and dimensionality reduction techniques will map the chemical space to visualize reactivity patterns with fewer experiments. In the subsequent return phase at the University of Padova, under Prof. Dell'Amico's supervision, these photochemical methodologies will be adapted for flow processes to produce synthetically relevant compounds on a multi-gram scale. The data science knowledge acquired will guide this transition, enabling a more efficient implementation.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-GF - HORIZON TMA MSCA Postdoctoral Fellowships - Global Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

UNIVERSITA DEGLI STUDI DI PADOVA
Net EU contribution
€ 396 991,08
Address
VIA 8 FEBBRAIO 2
35122 Padova
Italy
Region
Nord-Est Veneto Padova
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Partners (1)