MUJAWAR, Taufiqueahmed Pirsaheb, Petr SEVELDA, Dominik MADEA, Petr KLÁN and Jakub ŠVENDA. A Platform for the Synthesis of Oxidation Products of Bilirubin. Journal of the American Chemical Society. Washington: American Chemical Society, 2024, vol. 146, No 2, p. 1603-1611. ISSN 0002-7863. Available from: https://dx.doi.org/10.1021/jacs.3c11778.
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Original name A Platform for the Synthesis of Oxidation Products of Bilirubin
Authors MUJAWAR, Taufiqueahmed Pirsaheb, Petr SEVELDA, Dominik MADEA, Petr KLÁN and Jakub ŠVENDA.
Edition Journal of the American Chemical Society, Washington, American Chemical Society, 2024, 0002-7863.
Other information
Original language English
Type of outcome Article in a journal
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Organization Přírodovědecká fakulta – Repository – Repository
Doi http://dx.doi.org/10.1021/jacs.3c11778
UT WoS 001144591900001
Keywords in English Alkyls; Cross coupling reaction; Organic compounds; Pyrroles; Reaction products
Links EF16_025/0007381, research and development project. EF17_043/0009632, research and development project. GA22-27598S, research and development project. LM2018121, research and development project. LM2023042, research and development project. LM2023052, research and development project. 857560, interní kód Repo.
Changed by Changed by: RNDr. Daniel Jakubík, učo 139797. Changed: 26/3/2024 03:19.
Abstract
Bilirubin is the principal product of heme catabolism. High concentrations of the pigment are neurotoxic, yet slightly elevated levels are beneficial. Being a potent antioxidant, oxidative transformations of bilirubin occur in vivo and lead to various oxidized fragments. The mechanisms of their formation, intrinsic biological activities, and potential roles in human pathophysiology are poorly understood. Degradation methods have been used to obtain samples of bilirubin oxidation products for research. Here, we report a complementary, fully synthetic method of preparation. Our strategy leverages repeating substitution patterns in the parent tetracyclic pigment. Functionalized ready-to-couple gamma-lactone, gamma-lactam, and pyrrole monocyclic building blocks were designed and efficiently synthesized. Subsequent modular combinations, supported by metal-catalyzed borylation and cross-coupling chemistries, translated into the concise assembly of the structurally diverse bilirubin oxidation products (BOXes, propentdyopents, and biopyrrins). The discovery of a new photoisomer of biopyrrin A named lumipyrrin is reported. Synthetic bilirubin oxidation products made available in sufficient purity and quantity will support future in vitro and in vivo investigations.
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  • a concrete person Mgr. Michal Maňas, uco 2481
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