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Molbank 2018, 2018(3), M1006; https://doi.org/10.3390/M1006

Quercetin-3-oleate

Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Edificio Polifunzionale, 87036 Arcavacata di Rende (CS), Italy
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Received: 27 June 2018 / Revised: 16 July 2018 / Accepted: 19 July 2018 / Published: 20 July 2018
(This article belongs to the Section Organic Synthesis)
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Abstract

Polyphenols are well-known health promoting agents, but they have some limitations due to their spontaneous oxidation. This evidence has limited their use as drugs in recent years. In this field, several chemical modifications have been proposed to overcome these restrictions; among these, esterification seems to be the preferred modification. Ester derivatives may be able to reduce the bioavailability problems connected to polyphenols. On the other hand, the presence of esterase enzymes in the body guarantees ester hydrolysis, which in turn frees the two molecules that make it up. Lipase-catalyzed esterifications gave birth to several derivatives of flavonoids glycosides, in green conditions. In this short paper, pancreatic porcine lipase was firstly used as a cheap bio-catalyst, to synthesize oleoyl derivatives of quercetin in aglycone form. The results demonstrated how the enzyme is able to promote a regioselective acylation on C-3 position, with high yields and easy purification processes. View Full-Text
Keywords: pancreatic porcine lipase; regioselectivity; quercetin derivatives; oleic acid; ecofriendly reaction; scalable process pancreatic porcine lipase; regioselectivity; quercetin derivatives; oleic acid; ecofriendly reaction; scalable process
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Carullo, G.; Aiello, F. Quercetin-3-oleate. Molbank 2018, 2018, M1006.

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