Academic literature on the topic 'Difunctionalised compounds'

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Journal articles on the topic "Difunctionalised compounds"

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Avijit, Banerji. "Studies on 1,3-dipolar cycloadditions." Journal of Indian Chemical Society Vol. 77, Nov-Dec 2000 (2000): 637–49. https://doi.org/10.5281/zenodo.5869824.

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Centre of Advanced Studies on Natural Products, Department of Chemistry, University of Calcutta, 92 Acharya Prafulla Chandra Road, Calcutta-700 009, India <em>E-mail :&nbsp;ab@cucc.ernet.in</em> &nbsp; <em>Manuscript received 2 November 2000</em> Studies on 1,3-dipolar cycloadditions
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Edwards, Andrew J., Brian F. G. Johnson, Simon Parsons, and Douglas S. Shephard. "Difunctionalised arene Ru6C cluster compounds with electron-withdrawing groups." Journal of the Chemical Society, Dalton Transactions, no. 19 (1996): 3837. http://dx.doi.org/10.1039/dt9960003837.

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Bhaswati, Bhattacharyya, and Dhara Kaliprasanna. "Highly efficient, mild, one pot synthesis of 2-substituted benzimidazoles, benzothiazoles and pyridoimidazoles promoted by N-iodosuccinimide." Journal of Indian Chemical Society Vol. 90, Oct 2013 (2013): 1749–59. https://doi.org/10.5281/zenodo.5791892.

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Department of Chemistry, Hooghly Mohsin College, Hooghly-712 101, West Bengal, India Department of Chemistry, University College of Science &amp; Technology, University of Calcutta, Kolkata-700 009, India <em>E-mail </em>: kali.dhara@gmail.com <em>Manuscript received 07 June 2013, accepted 13 June 2013</em> A common and highly efficient metal-free route for the synthesis of 2-substituted benzimidazoles, benzothiazoles and pyridoimidazoles from suitable 1,2-difunctionalised aromatic compounds and various aromatic and aliphatic aldehydes and ferrocenecarboxaldehyde was developed using N-iodosucc
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Huang, Pei-Qiang, Wei Ou та Jian-Liang Ye. "Aza-Knoevenagel-type condensation of secondary amides: direct access to N-monosubstituted β,β-difunctionalized enamines". Organic Chemistry Frontiers 2, № 9 (2015): 1094–106. http://dx.doi.org/10.1039/c5qo00191a.

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Lübcke, Marvin, Dina Bezhan, and Kálmán J. Szabó. "Trifluoromethylthiolation–arylation of diazocarbonyl compounds by modified Hooz multicomponent coupling." Chemical Science 10, no. 23 (2019): 5990–95. http://dx.doi.org/10.1039/c9sc00829b.

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Multicomponent reaction of diazocarbonyl and dibenzenesulfonimide-SCF<sub>3</sub> reagents with BAr<sub>4</sub> salts in the presence of Zn(NTf<sub>2</sub>)<sub>2</sub> gives α,α′-difunctionalized trifluoromethylthio compounds.
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Gulea, Mihaela, Isabelle Abrunhosa, Jozef Drabowicz, et al. "New Chiral Ortho-P,S-Difunctionalized Aromatic Compounds." Phosphorus, Sulfur, and Silicon and the Related Elements 180, no. 5-6 (2005): 1267–72. http://dx.doi.org/10.1080/10426500590911467.

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Zheng, Purui, Yujie Zhai, Xiaoming Zhao, and Tao XU. "Difunctionalization of ketones via gem-bis(boronates) to synthesize quaternary carbon with high selectivity." Chemical Communications 54, no. 95 (2018): 13375–78. http://dx.doi.org/10.1039/c8cc07781a.

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A transformation of gem-bis(boronate) compounds with different electrophiles through a tertiary boronate intermediate to concurrently introduce aldehyde and allylic groups, which provides an efficient protocol to difunctionalize ketones, was reported.
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Marian, Aline, and Gerhard Maas. "Diethyl (iodoethynyl)phosphonate and (iodoethynyl)diphenylphosphane oxide: crystal structures and some cycloaddition reactions." Zeitschrift für Naturforschung B 75, no. 6-7 (2020): 529–36. http://dx.doi.org/10.1515/znb-2020-0047.

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AbstractThe title compounds are difunctionalized acetylenic building blocks, which can serve as electrophilic dienophiles and dipolarophiles in [4+2] and azide-iodoalkyne [3+2] cycloaddition reactions, which, however, require strong thermal activation. In their crystal structures, they are self-complementary tectons, which are arranged in polymeric chains maintained by very short intermolecular Csp–I···O=P halogen bonds.
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Pattison, Graham, and George R. A. Garratt. "Formation of Boron Enolates by Nucleophilic Substitution." Synlett 31, no. 17 (2020): 1656–62. http://dx.doi.org/10.1055/s-0040-1707181.

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Enolates have proven to be one of the key building blocks available to the synthetic chemist. Here we summarize a novel strategy for their preparation, involving the addition of α-borylated nucleophiles to esters to yield boron enolates. The enolates prepared by the addition of lithiated geminal bis(boron) compounds to esters can be trapped with two equivalents of halogen and alkyl electrophiles to yield α,α-difunctionalized compounds.1 Introduction2 Ketone Difunctionalization3 Boron Enolates by Coupling4 Towards Sequential Trapping5 Summary and Outlook
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Fañanás, Francisco J., Mónica Álvarez-Pérez, and Félix Rodríguez. "IPy2BF4-Mediated Rearrangements of 1,2-Difunctionalized Compounds and Olefins." Chemistry - A European Journal 11, no. 20 (2005): 5938–44. http://dx.doi.org/10.1002/chem.200500070.

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Book chapters on the topic "Difunctionalised compounds"

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Gulea, Mihaela, and Serge Masson. "Recent Advances in the Chemistry of Difunctionalized Organo-Phosphorus and -Sulfur Compounds." In New Aspects in Phosphorus Chemistry III. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/b11155.

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Hodgson, David M., and Lee T. Boulton. "Chromium- and titanium-mediated synthesis of alkenes from carbonyl compounds." In Preparation of Alkenes. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198557951.003.0004.

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Abstract This chapter contains organometallic-based one-step procedures for: Reductive coupling of aldehydes or ketones to produce alkenes (the McMurry reaction) Carbonyl methylenation using titanium-based reagents (the Oshima Lombardo reaction) Conversion of esters and amides into enol ethers and enamines Homologation of aldehydes to (E)-1,2-difunctionalised alkenes using gem dichromium reagents The procedures in this chapters are distinct from the organometallic methods described in Chapter 7, since here the alkene functional group is constructed from two components. The two individual compo
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Luo, Y. C., and X. Zhang. "1.7 Synthesis of Difluoromethylene-Containing Compounds." In Modern Strategies in Organofluorine Chemistry 1. Georg Thieme Verlag KG, 2024. https://doi.org/10.1055/sos-sd-243-00012.

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AbstractThe difluoromethylene group (CF2) is a valuable fluorinated motif that is widely present in pharmaceuticals, agrochemicals, and advanced functional materials because of the unique properties of fluorine atoms. Consequently, considerable efforts have been dedicated to introducing the difluoromethylene group into organic molecules. This review summarizes progress in the synthesis of difunctionalized difluoromethane (R1−CF2−FG) compounds, including methods for the difluoroalkylation of C—X and unsaturated bonds, and gem-difluorination reactions.
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Heydt, H. "Elimination of Hydrogen Halides from Phosphorylated 1,2-Difunctionalized Compounds." In Three Carbon-Heteroatom Bonds: Ketenes and Derivatives. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-024-00473.

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