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Page 1
Showing results for polycyclic
Your search for Polycyclina retrieved no results
Post-Ugi Cyclizations Towards Polycyclic N-Heterocycles.
Tang X, Song L, Van der Eycken EV. Tang X, et al. Chem Rec. 2023 Oct;23(10):e202300095. doi: 10.1002/tcr.202300095. Epub 2023 May 23. Chem Rec. 2023. PMID: 37218998 Review.
By carefully selecting the starting four components, Ugi-adducts could undergo different kinds of post-transformations for the synthesis of bioactive heterocycles, natural products and macrocycles. Considering the significance of polycycles, diverse post-Ugi transformation …
By carefully selecting the starting four components, Ugi-adducts could undergo different kinds of post-transformations for the synthesis of …
Phosphorus-Containing Polycyclic Aromatic Hydrocarbons.
Szűcs R, Bouit PA, Nyulászi L, Hissler M. Szűcs R, et al. Chemphyschem. 2017 Oct 6;18(19):2618-2630. doi: 10.1002/cphc.201700438. Epub 2017 Jul 17. Chemphyschem. 2017. PMID: 28609571 Review.
Polycyclic aromatic hydrocarbons (PAHs) are highly appealing functional materials in the field of molecular electronics. ...
Polycyclic aromatic hydrocarbons (PAHs) are highly appealing functional materials in the field of molecular electronics. ...
A Shapeshifting Roadmap for Polycyclic Skeletal Evolution.
Sanchez A, Gurajapu A, Guo W, Kong WY, Laconsay CJ, Settineri NS, Tantillo DJ, Maimone TJ. Sanchez A, et al. J Am Chem Soc. 2023 Jun 21;145(24):13452-13461. doi: 10.1021/jacs.3c03960. Epub 2023 Jun 6. J Am Chem Soc. 2023. PMID: 37279177
Polycyclic ring systems are ubiquitous three-dimensional (3D) structural motifs central to the function of many biologically active small molecules and organic materials. Indeed, subtle changes to the overall molecular shape and connectivity of atoms in a polycyclic …
Polycyclic ring systems are ubiquitous three-dimensional (3D) structural motifs central to the function of many biologically active s …
A Case for Bond-Network Analysis in the Synthesis of Bridged Polycyclic Complex Molecules: Hetidine and Hetisine Diterpenoid Alkaloids.
Doering NA, Sarpong R, Hoffmann RW. Doering NA, et al. Angew Chem Int Ed Engl. 2020 Jun 26;59(27):10722-10731. doi: 10.1002/anie.201909656. Epub 2020 Apr 15. Angew Chem Int Ed Engl. 2020. PMID: 31808282 Free PMC article. Review.
A key challenge in the synthesis of diterpenoid alkaloids lies in identifying strategies that rapidly construct their multiply bridged polycyclic skeletons. Existing approaches to these structurally intricate secondary metabolites are discussed in the context of a "bond-ne …
A key challenge in the synthesis of diterpenoid alkaloids lies in identifying strategies that rapidly construct their multiply bridged po …
Diverse Synthesis of 2H-Isoindole-Based Polycyclic Aromatic Compounds.
Kawazoe T, Yanai H, Hagiyama Y, Funabiki K, Matsumoto T. Kawazoe T, et al. Chemistry. 2023 Sep 6;29(50):e202301703. doi: 10.1002/chem.202301703. Epub 2023 Jul 26. Chemistry. 2023. PMID: 37493337
Thus obtained 2H-isoindoles have been derivatized to high-order nitrogen-containing polycycles including less accessible benzo[a]ullazines....
Thus obtained 2H-isoindoles have been derivatized to high-order nitrogen-containing polycycles including less accessible benzo[a]ulla …
Synthesis of chiral polycyclic N-heterocycles via gold(I)-catalyzed 1,6-enyne cyclization/intramolecular nucleophilic addition.
Han X, Gaignard-Gaillard Q, Retailleau P, Gandon V, Voituriez A. Han X, et al. Chem Commun (Camb). 2022 Mar 1;58(18):3043-3046. doi: 10.1039/d1cc06388j. Chem Commun (Camb). 2022. PMID: 35156961
Cycloisomerization of N-tethered indole- and dihydropyrrole-arylpropargyl substrates into complex polycycles was investigated by using gold(I) catalysis. Enantioselectivities up to 93% ee were obtained in the asymmetric version of this process. ...
Cycloisomerization of N-tethered indole- and dihydropyrrole-arylpropargyl substrates into complex polycycles was investigated by usin …
Asymmetric dearomative cyclopropanation of naphthalenes to construct polycyclic compounds.
Guan F, Zhou R, Ren X, Guo Z, Wang C, Zhou CY. Guan F, et al. Chem Sci. 2022 Oct 12;13(44):13015-13019. doi: 10.1039/d2sc04509e. eCollection 2022 Nov 16. Chem Sci. 2022. PMID: 36425492 Free PMC article.
Herein, we disclose an asymmetric dearomative cyclopropanation of naphthalenes for the rapid construction of polycyclic compounds. With chiral dirhodium carboxylate as a catalyst, the dearomative cyclopropanation proceeded smoothly under mild conditions and afforded benzon …
Herein, we disclose an asymmetric dearomative cyclopropanation of naphthalenes for the rapid construction of polycyclic compounds. Wi …
Recent Advances in Discovery, Biosynthesis and Genome Mining of Medicinally Relevant Polycyclic Tetramate Macrolactams.
Zhang G, Zhang W, Saha S, Zhang C. Zhang G, et al. Curr Top Med Chem. 2016;16(15):1727-39. doi: 10.2174/1568026616666151012112818. Curr Top Med Chem. 2016. PMID: 26456464 Review.
Polycyclic tetramate macrolactams (PTMs), a widely distributed class of structurally complex natural products exhibiting diverse biological activities, share a tetramate-containing macrocyclic lactam ring fused to a subset of carbocyclic rings. ...Subsequently, a set of ox …
Polycyclic tetramate macrolactams (PTMs), a widely distributed class of structurally complex natural products exhibiting diverse biol …
12b,24b-Diborahexabenzo[a,c,fg,l,n,qr]pentacene: A Low-LUMO Boron-Doped Polycyclic Aromatic Hydrocarbon.
Mützel C, Farrell JM, Shoyama K, Würthner F. Mützel C, et al. Angew Chem Int Ed Engl. 2022 Feb 14;61(8):e202115746. doi: 10.1002/anie.202115746. Epub 2022 Jan 3. Angew Chem Int Ed Engl. 2022. PMID: 34914168 Free PMC article.
Our methodology is surprisingly selective despite its implementation of unfunctionalized precursors and offers a new approach to the synthesis of pristine B-doped polycyclic aromatic hydrocarbons....
Our methodology is surprisingly selective despite its implementation of unfunctionalized precursors and offers a new approach to the synthes …
Synthesis of Polycyclic Aromatic Hydrocarbons Decorated by Fluorinated Carbon Acids/Carbanions.
Hoshikawa S, Yanai H, Martín-Mejías I, Lázaro-Milla C, Aragoncillo C, Almendros P, Matsumoto T. Hoshikawa S, et al. Chemistry. 2021 Nov 22;27(65):16112-16116. doi: 10.1002/chem.202103188. Epub 2021 Oct 8. Chemistry. 2021. PMID: 34542205
The carboarylation reaction of biphenyl-alkynes was successfully triggered by electrophilic attack of 1,1-bis(triflyl)ethylene on the alkyne moiety to give polycyclic aromatic hydrocarbons (PAHs) decorated by superacidic carbon acid functionality. ...
The carboarylation reaction of biphenyl-alkynes was successfully triggered by electrophilic attack of 1,1-bis(triflyl)ethylene on the alkyne …
44,518 results
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