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Thematische Bibliographien / C-Hetero Bond

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Zeitschriftenartikel

Auswahl der wissenschaftlichen Literatur zum Thema „C-Hetero Bond“

Autor: Grafiati

Veröffentlicht am 18. Mai 2024

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Zeitschriftenartikel zum Thema "C-Hetero Bond"

1

Zhao, Yating, and Wujiong Xia. "Photochemical C–H bond coupling for (hetero)aryl C(sp2)–C(sp3) bond construction." Organic & Biomolecular Chemistry 17, no. 20 (2019): 4951–63. http://dx.doi.org/10.1039/c9ob00244h.

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This review highlights the recent advances in photochemical (hetero)aryl C(sp<sup>2</sup>)–C(sp<sup>3</sup>) bond construction via C–H bond coupling such as (hetero)arylation of C(sp<sup>3</sup>)–H bonds and alkylation of (hetero)aryl C(sp<sup>2</sup>)–H bonds.

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2

Wei, Kai-Jie, Zheng-jun Quan, Zhang Zhang, Yu-xia Da, and Xi-cun Wang. "Direct C–H heteroarylation of azoles with 1,2-di(pyrimidin-2-yl)disulfides through C–S cleavage of disulfides." RSC Advances 6, no. 81 (2016): 78059–63. http://dx.doi.org/10.1039/c6ra18997k.

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3

Roth-Barton, Jesse, Yit Wooi Goh, Asimo Karnezis та Jonathan M. White. "Structural Studies on α-Pyrone Cycloadducts. Manifestation of the Early Stages of CO2 Extrusion by retro Hetero-Diels - Alder Reaction". Australian Journal of Chemistry 62, № 5 (2009): 407. http://dx.doi.org/10.1071/ch09018.

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Structures of the α-pyrone (pyran-2-one) cycloadducts 4–8 show deviations of some bond distances from their normal values, consistent with manifestation of the early stages of the retro hetero-Diels–Alder decarboxylation reaction in the ground state structures. Thus the bridgehead C–O(CO) and C–CO(O) bonds are lengthened and the bridging C–O bond is shortened. The degree of lengthening of the C–O(CO) and C–CO(O) bonds is similar, whereas in the calculated transition state structure there is significant asymmetry in the extent of C–CO(O) and C–O(CO) bond breaking.

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4

Correa, Arkaitz, та Marcos Segundo. "Cross-Dehydrogenative Coupling Reactions for the Functionalization of α-Amino Acid Derivatives and Peptides". Synthesis 50, № 15 (2018): 2853–66. http://dx.doi.org/10.1055/s-0037-1610073.

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The functionalization of typically unreactive C(sp3)–H bonds holds great promise for reducing the reliance on existing functional groups while improving atom-economy and energy efficiency. As a result, this topic is a matter of genuine concern for scientists in order to achieve greener chemical processes. The site-specific modification of α-amino acid and peptides based upon C(sp3)–H functionalization still represents a great challenge of utmost synthetic importance. This short review summarizes the most recent advances in ‘Cross-Dehydrogenative Couplings’ of α-amino carbonyl compounds and pep

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5

Yang, Tao, Congshan Zhou, Zan Yang, Jiao Li, Jie Hua та Jianmin Yi. "KI/K2S2O8-Mediated α-C–H Sulfenylation of Carbonyl Compounds with (Hetero)Aryl Thiols". Synlett 28, № 17 (2017): 2325–29. http://dx.doi.org/10.1055/s-0036-1588483.

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A new and facile KI/K2S2O8-mediated α-C–H sulfenylation of carbonyl compounds with (hetero)aryl thiols was developed for the formation of C–S bond at room temperature. This method provided a simple process for the synthesis of β-keto thioethers in moderate to excellent yields. A variety of carbonyl compounds and (hetero)aryl thiols were tolerated in this reaction.

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6

Zhang, Zuxiao, Leah M. Stateman та David A. Nagib. "δ C–H (hetero)arylationviaCu-catalyzed radical relay". Chemical Science 10, № 4 (2019): 1207–11. http://dx.doi.org/10.1039/c8sc04366c.

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A radical relay strategy has been developed to enable selective δ C–H arylation. The approach employs a chiral copper catalyst, which serves the dual roles of generating an N-centered radical to promote intramolecular H-atom transfer, and then intercepting a distal C-centered radical for C–C bond formation with (hetero)aryl boronic acids.

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7

Knochel, Paul, Maximilian Hofmayer, Jeffrey Hammann, and Gérard Cahiez. "Iron-Catalyzed C(sp2)–C(sp3) Cross-Coupling Reactions of Di(hetero)arylmanganese Reagents and Primary and Secondary Alkyl Halides." Synlett 29, no. 01 (2017): 65–70. http://dx.doi.org/10.1055/s-0036-1590891.

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An iron-catalyzed cross-coupling between di(hetero)arylmanganese reagents and primary and secondary alkyl halides is reported. No rearrangement of secondary alkyl halides to unbranched products was observed in these C–C bond-forming reactions.

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8

Irgashev, Roman A., Arseny A. Karmatsky, Gennady L. Rusinov, and Valery N. Charushin. "A new and convenient synthetic way to 2-substituted thieno[2,3-b]indoles." Beilstein Journal of Organic Chemistry 11 (June 11, 2015): 1000–1007. http://dx.doi.org/10.3762/bjoc.11.112.

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A short and robust approach for the synthesis of 2-(hetero)aryl substituted thieno[2,3-b]indoles from easily available 1-alkylisatins and acetylated (hetero)arenes has been advanced. The two-step procedure includes the “aldol-crotonic” type of condensation of the starting materials, followed by treatment of the intermediate 3-(2-oxo-2-(hetero)arylethylidene)indolin-2-ones with Lawesson’s reagent. The latter process involves two sequential reactions, namely reduction of the C=C ethylidene double bond of the intermediate indolin-2-ones followed by the Paal–Knorr cyclization, thus affording tricy

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9

Ge, Danhua, and Xue-Qiang Chu. "Multiple-fold C–F bond functionalization for the synthesis of (hetero)cyclic compounds: fluorine as a detachable chemical handle." Organic Chemistry Frontiers 9, no. 7 (2022): 2013–55. http://dx.doi.org/10.1039/d1qo01749g.

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10

Chupakhin, O. N., A. V. Shchepochkin, and V. N. Charushin. "Atom- and step-economical nucleophilic arylation of azaaromatics via electrochemical oxidative cross C–C coupling reactions." Green Chemistry 19, no. 13 (2017): 2931–35. http://dx.doi.org/10.1039/c7gc00789b.

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A simple and efficient electrochemical method for the synthesis of asymmetrical bi(het)aryls through direct functionalization of the C(sp<sup>2</sup>)–H bond in azaaromatics with fragments of (hetero)aromatic nucleophiles has been developed.

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