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226 results

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Page 1
Synthesis of a Series of Tropone-Fused Porphyrinoids.
Cramer EK, Lash TD. Cramer EK, et al. J Org Chem. 2022 Jan 21;87(2):952-962. doi: 10.1021/acs.joc.1c02063. Epub 2022 Jan 12. J Org Chem. 2022. PMID: 35018780
A series of tropone-fused porphyrinoids with unique spectroscopic features has been prepared. ...Cleavage of the tert-butyl ester protective groups, followed by condensation with a series of aromatic dialdehydes and oxidation with DDQ, afforded the tropone-fused por …
A series of tropone-fused porphyrinoids with unique spectroscopic features has been prepared. ...Cleavage of the tert-butyl ester pro …
Shunting Phenylacetic Acid Catabolism for Tropone Biosynthesis.
Li Y, Wang M, Zhao Q, Shen X, Wang J, Yan Y, Sun X, Yuan Q. Li Y, et al. ACS Synth Biol. 2019 Apr 19;8(4):876-883. doi: 10.1021/acssynbio.9b00013. Epub 2019 Mar 26. ACS Synth Biol. 2019. PMID: 30861343
Then, a single point mutation was introduced to inactivate the ALDH domain of PaaZ and the carbon flow was redirected toward tropone synthesis. Assembly of the full pathway led to de novo tropone production with the best titer of 65.2 1.4 mg/L in shake flask experim …
Then, a single point mutation was introduced to inactivate the ALDH domain of PaaZ and the carbon flow was redirected toward tropone
Bacterial Tropone Natural Products and Derivatives: Overview of their Biosynthesis, Bioactivities, Ecological Role and Biotechnological Potential.
Duan Y, Petzold M, Saleem-Batcha R, Teufel R. Duan Y, et al. Chembiochem. 2020 Sep 1;21(17):2384-2407. doi: 10.1002/cbic.201900786. Epub 2020 May 8. Chembiochem. 2020. PMID: 32239689 Free PMC article. Review.
Tropone natural products are non-benzene aromatic compounds of significant ecological and pharmaceutical interest. Herein, we highlight current knowledge on bacterial tropones and their derivatives such as tropolones, tropodithietic acid, and roseobacticides. ...
Tropone natural products are non-benzene aromatic compounds of significant ecological and pharmaceutical interest. Herein, we highlig
Heterophenoquinones: Tuning Optoelectronics and Electrochromicity.
Amberg WM, Intorp SN, Dmitrieva E, Popov AA, Rominger F, Freudenberg J, Bunz UHF. Amberg WM, et al. Chemistry. 2023 Jul 3;29(37):e202203862. doi: 10.1002/chem.202203862. Epub 2023 May 22. Chemistry. 2023. PMID: 36789644
Tuning of the optical band gap was achieved through pi-extension by annulation of a benzene or tropone moiety to the thiophene, oxidation, change of the heteroatom or by attachment of a donor substituent to the thiophene core. ...
Tuning of the optical band gap was achieved through pi-extension by annulation of a benzene or tropone moiety to the thiophene, oxida …
The Palladium-Catalyzed Glycosylation of Halotropones.
Chen Q, Lan P, Tan S, Banwell MG. Chen Q, et al. Org Lett. 2023 Jan 20;25(2):384-388. doi: 10.1021/acs.orglett.2c04099. Epub 2023 Jan 6. Org Lett. 2023. PMID: 36606750
A range of mono- and disaccharides, including glucose derivative 10, has been cleanly coupled, in the presence of a Pd catalyst, with various halogenated and structurally distinctive tropones, including "parent" compound 11, to afford the corresponding alpha- and beta-anom …
A range of mono- and disaccharides, including glucose derivative 10, has been cleanly coupled, in the presence of a Pd catalyst, with variou …
The Game of Electrons: Organocatalytic Higher-Order Cycloadditions Involving Fulvene- and Tropone-Derived Systems.
Frankowski S, Romaniszyn M, Skrzyńska A, Albrecht Ł. Frankowski S, et al. Chemistry. 2020 Feb 17;26(10):2120-2132. doi: 10.1002/chem.201904157. Epub 2019 Dec 27. Chemistry. 2020. PMID: 31654528 Review.
The great progress that took place in the field of higher-order cycloadditions involving fulvene- and tropone-derived systems in the last few years is astonishing. By application of organocatalytic activation modes, new higher-order reactivities have been identified and de …
The great progress that took place in the field of higher-order cycloadditions involving fulvene- and tropone-derived systems in the …
One hundred years of benzotropone chemistry.
Dastan A, Kilic H, Saracoglu N. Dastan A, et al. Beilstein J Org Chem. 2018 May 23;14:1120-1180. doi: 10.3762/bjoc.14.98. eCollection 2018. Beilstein J Org Chem. 2018. PMID: 29977384 Free PMC article. Review.
This review focuses on the chemistry of benzo-annulated tropones and tropolones reported since the beginning of the 20th century, which are currently used as tools by the synthetic and biological communities....
This review focuses on the chemistry of benzo-annulated tropones and tropolones reported since the beginning of the 20th century, whi …
Carbocycloaddition Strategies for Troponoid Synthesis.
Murelli RP, Berkowitz AJ, Zuschlag DW. Murelli RP, et al. Tetrahedron. 2023 Jan 9;130:133175. doi: 10.1016/j.tet.2022.133175. Epub 2022 Dec 1. Tetrahedron. 2023. PMID: 36777111 Free PMC article.
Tropone is the prototypical aromatic 7-membered ring, and can be found in virtually any undergraduate textbook as a key example of non-benzenoid aromaticity. ...More recently, there has been growing interest in the utility of tropones for catalysis and material scie
Tropone is the prototypical aromatic 7-membered ring, and can be found in virtually any undergraduate textbook as a key example of no
Pi-extended o-quinoidal tropone derivatives: experimental and theoretical studies of naphtho[2,3-c]tropone and anthro[2,3-c]tropone.
Ohkita M, Sano K, Suzuki T, Tsuji T, Sato T, Niino H. Ohkita M, et al. Org Biomol Chem. 2004 Apr 7;2(7):1044-50. doi: 10.1039/b400080n. Epub 2004 Mar 5. Org Biomol Chem. 2004. PMID: 15034628
pi-Extended o-quinoidal tropone derivatives, naphtho[2,3-c]tropone (3) and anthro[2,3-c]tropone (4), have been investigated theoretically as well as experimentally. ...On the other hand, the fusion of a benzene or naphthalene ring to the 2,3- or 4,5-position …
pi-Extended o-quinoidal tropone derivatives, naphtho[2,3-c]tropone (3) and anthro[2,3-c]tropone (4), have been investig …
Crystal structure of 2-(methyl-amino)-tropone.
Jansen van Vuuren L, Visser HG, Schutte-Smith M. Jansen van Vuuren L, et al. Acta Crystallogr E Crystallogr Commun. 2019 Jul 9;75(Pt 8):1128-1132. doi: 10.1107/S2056989019009502. eCollection 2019 Aug 1. Acta Crystallogr E Crystallogr Commun. 2019. PMID: 31417778 Free PMC article.
226 results