An expeditive and green chemo-enzymatic route to diester sinapoyl-l-malate analogues: sustainable bioinspired and biosourced UV filters and molecular heaters

Sinapoyl malate, naturally present in plants, has proved to be an exceptional UV filter and molecular heater for plants. Although there are nowadays industrially relevant sustainable synthetic routes to sinapoyl malate, its incorporation into certain cosmetic formulations, as well as its adsorption...

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Published in:Chemical science (Cambridge) 2023-12, Vol.14 (47), p.13962-13978
Main Authors: Rioux, Benjamin, Mouterde, Louis M M, Alarcan, Jimmy, Abiola, Temitope T, Vink, Matthias J A, Woolley, Jack M, Peru, Aurélien A M, Mention, Matthieu M, Brunissen, Fanny, Berden, Giel, Oomens, Jos, Braeuning, Albert, Stavros, Vasilios G, Allais, Florent
Format: Article
Language:English
Subjects:
Absorption spectroscopy
Analytical chemistry
Bioaccumulation
Biocompatibility
Carcinogenicity
Carcinogens
Chemical Sciences
Fluid filters
Formulations
Lipophilicity
Malate
Molecular chains
Mutagenicity
or physical chemistry
Organic chemistry
Photodegradation
Theoretical and
Toxicity
Ultraviolet filters
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Summary:Sinapoyl malate, naturally present in plants, has proved to be an exceptional UV filter and molecular heater for plants. Although there are nowadays industrially relevant sustainable synthetic routes to sinapoyl malate, its incorporation into certain cosmetic formulations, as well as its adsorption on plant leaves, is limited by its hydrophilicity. To overcome these obstacles, it is important to find a way to effectively control the hydrophilic-lipophilic balance of sinapoyl malate to make it readily compatible with the cosmetic formulations and stick on the waxy cuticle of leaves. To this end, herein, we describe a highly regioselective chemo-enzymatic synthesis of sinapoyl malate analogues possessing fatty aliphatic chains of variable length, enabling the lipophilicity of the compounds to be modulated. The potential toxicity ( , mutagenicity, carcinogenicity, endocrine disruption, acute and repeated-dose toxicity), bioaccumulation, persistence and biodegradability potential of these new analogues were evaluated , along with the study of their transient absorption spectroscopy, their photostability as well as their photodegradation products.
ISSN:2041-6520
2041-6539
DOI:10.1039/d3sc04836e