Relevant bibliographies by topics / Vilsmeier-Haack formylation

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Academic literature on the topic 'Vilsmeier-Haack formylation'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Vilsmeier-Haack formylation"

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Singh, Karan, Suman Ralhan, Pawan K. Sharma, and Som N. Dhawan. "Vilsmeier–Haack Reaction on Hydrazones: A Convenient Synthesis of 4-formylpyrazoles." Journal of Chemical Research 2005, no. 5 (2005): 316–18. http://dx.doi.org/10.3184/0308234054323959.

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Badalyan, K. S., A. E. Akopyan, H. S. Attaryan, and G. V. Asratyan. "Vilsmeier-Haack formylation of 1H-pyrazoles." Russian Journal of General Chemistry 84, no. 4 (2014): 793–95. http://dx.doi.org/10.1134/s1070363214040331.

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Smetanin, N. V., S. A. Varenichenko, A. V. Kharchenko, O. K. Farat, and V. I. Markov. "Synthesis of new substituted pyridines via Vilsmeier-Haack reagent." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 1 (March 2023): 34–39. http://dx.doi.org/10.32434/0321-4095-2023-146-1-34-39.

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New substituted pyridines were synthesized by the reaction of spiroimidazolidinones with the Vilsmeier-Haack reagent (PBr3/DMF) with satisfactory yields. The reaction proceeds as an electrophilic trigger process according to the push-pull mechanism due to the anomeric effect of two nitrogen atoms with an increase in the primary heterocycle. An explanation is proposed for the different chemical behavior of 5',6',7',8'-tetrahydro-1'H-spiro[cyclohexane-1,2'-quinazolin]-4'(3'H)-one and spiroimidazolidinones under Vilsmeier-Haack reaction conditions. The likely reason is the hybridization of the am
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4

Temizsoy, Mehmet, Waqas Sethi, Anders Reinholdt, Magnus Schau-Magnussen, Jesper Bendix, and Anders Hammershøi. "Stereoretentive formylation of (S)-proline: new application of the self-regeneration of stereo-centres (SRS) principle via chelation to cobalt(iii)." Dalton Transactions 44, no. 42 (2015): 18438–46. http://dx.doi.org/10.1039/c5dt02674a.

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Vilsmeier–Haack-type formylation of ligated (S)-prolinate was achieved stereoselectively at the substitution-inert cobalt(iii) centre. While coordinated, the stereogenic N centre of the (S)-prolinate ligand maintains chirality during reaction.
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Einrem, Rune F., Einar Torfi Jonsson, Simon J. Teat, Nicholas S. Settineri, Abraham B. Alemayehu, and Abhik Ghosh. "Regioselective formylation of rhenium-oxo and gold corroles: substituent effects on optical spectra and redox potentials." RSC Advances 11, no. 54 (2021): 34086–94. http://dx.doi.org/10.1039/d1ra05525a.

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Vilsmeier–Haack formylation of ReO and Au meso-triarylcorroles over 16–18 hours affords moderate to good yields (47–65%) of the ReO-3-formyl and Au-3,17-diformyl derivatives in a highly regioselective manner.
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Farat, O. K., E. V. Zaliznaya, S. A. Varenichenko, and V. I. Markov. "Rearrangement of substituted pyrimidin-4-ones under the Vilsmeier-Haack reaction." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 1 (January 2021): 101–9. http://dx.doi.org/10.32434/0321-4095-2021-134-1-101-109.

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The article describes the result of our study on rearrangements of four heterocyclic systems with variation of oxygen and nitrogen atoms, in particular, the results of formylation of 2,2-disubstituted hydroquinazolones under the conditions of the Vilsmeier-Haack reaction. A new rearrangement of spiro derivatives of quinazolin-4(3H)-ones was discovered under the action of a formylating reagent with the formation of predicted 1-cyclohex(pent)-1-en-1-ylchinazolin-4-(1H)-ones. The absence of this rearrangement for 2,2-dimethyl-2,3-dihydroquinazolin-4(1H)-one is explained. 6',7',7'-Trimethyl-1',5',
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7

Rykunov, Daniil, Alina Sonina, and Aleksey Vorob’ev. "(Z)-1-(3,5-Dichloro-2H-pyrrol-2-ylidene)-N,N-dimethylmethanamine." Molbank 2025, no. 1 (2025): M1979. https://doi.org/10.3390/m1979.

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The Vilsmeier–Haack reaction is a convenient method for the formylation of electron-rich aromatic compounds. However, this interaction sometimes gives specific side products. We report the isolation and structural characterization of a novel compound (Z)-1-(3,5-dichloro-2-pyrrolylidene)-N,N-dimethylmethanamine obtained as a side product during the formylation of 2-chloropyrrole. The product was characterized using NMR spectroscopy and X-ray crystallography.
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8

Roopa, Redamala*. "UNDER SOLVENT-FREE CONDITIONS, ACETYLATION and VILSMEIER-HAACK FORMYLATION REACTIONS WITH ACETANILIDES and ANILINES." Journal of Pharma Research 11, no. 06 (2022): 72–84. https://doi.org/10.5281/zenodo.7813300.

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Abstract:&nbsp; <strong>The Vilsmeier-Haack reaction with anilines and acetanilides was carried out without the use of a solvent. At room temperature, the reactants are put in a mortar and ground with a pestle for 20 to 30 minutes. Formyl derivatives were generated in surprisingly good yields when dimethyl formamide (DMF) and POCl3 were used as the VH reagent. Nevertheless, acetyl derivatives were generated when DMF was substituted for DMA in the formulation of the VH reagent. The results of solvent free reactions are better to those of solution phase reactions, with high yields and much short
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9

Kumaresh, Ghosh, and Adhikari Suman. "Microwave-assisted Vilsmeier-Haack formylation of aromatic substrates." Journal of Indian Chemical Society Vol. 85, Sep 2008 (2008): 959–61. https://doi.org/10.5281/zenodo.5820410.

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Department of Chemistry, University of Kalyani, Kalyani-741 235, Nadia, West Bengal, India E-mail: ghosh_k2003@yahoo.co.in; Fax: 91-33-25828282 <em>Manuscript received 4 March 2008, accepted 17 June 2008</em> A microwave-assisted Vilsmeier-Haack formylation reaction has been studied on various amines, phenols and polynuclear hydrocarbons under solvent free condition that rapidly affords higher yield of products compared to traditional thermal condition.
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10

Lai, Gaifa, Xiu Bu, Javier Santos, and Eric Mintz. "Reinvestigation of the Vilsmeier-Haack Formylation of Triphenylamine." Synlett 1997, no. 11 (1997): 1275–76. http://dx.doi.org/10.1055/s-1997-1024.

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Book chapters on the topic "Vilsmeier-Haack formylation"

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Escher, I., and F. Glorius. "Vilsmeier–Haack–Arnold Formylation." In Aldehydes. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-025-00578.

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Schall, A., and O. Reiser. "Vilsmeier–Haack Formylation on Solid Support." In Aldehydes. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-025-00450.

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Schall, A., and O. Reiser. "Formylation with Polymer-Bound Vilsmeier–Haack Reagent." In Aldehydes. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-025-00451.

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Schall, A., and O. Reiser. "Vilsmeier–Haack Formylation in a Fluorous/Organic Amphiphilic Ether Solvent." In Aldehydes. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-025-00452.

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Conference papers on the topic "Vilsmeier-Haack formylation"

1

Dambaev, Aleksandr V., Denis A. Kolesnik, Igor P. Yakovlev, and Tamara L. Semakova. "Formylation of 2-Methylpyrimidine-4,6-diol Under the Conditions of the Vilsmeier–Haack Reaction." In ECSOC 2024. MDPI, 2024. https://doi.org/10.3390/ecsoc-28-20128.

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