Relevant bibliographies by topics / Bromo acetaldehyde

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Bromo acetaldehyde'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Bromo acetaldehyde"

1

Zayat, Wafaei A., Wael A. El-Sayed, and Adel A. H. Abdel-Rahman. "Anti-Hepatitis B Virus Activity of New Pyrimidine and Adenine Peptide Nucleic Acid Analogues." Zeitschrift für Naturforschung C 64, no. 1-2 (2009): 6–10. http://dx.doi.org/10.1515/znc-2009-1-202.

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A number of N-substituted thymine and adenine derivatives, 2a, b and 3a, b, were synthesized by the coupling reaction of 1-bromo-2,2-diethoxyethane with the corresponding base. The corresponding peptide nucleic acid (PNA) analogues, N-substituted ethylamino-3-hydroxypropanoate derivatives 5a, b and ethylamino-3-hydroxybutanoate derivatives 6a, b, were synthesized from the corresponding 2-[3,4-dihydro-5-methyl-2,4-dioxopyrimidin-1(2H)- yl]-acetaldehyde (3a) and 2-[6-amino-4H-purin-9(5H)-yl]-acetaldehyde (3b), respectively. The synthesized compounds were tested for their antiviral activity again
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2

Kamlah, Alexandra, and Franz Bracher. "A Short Synthesis of the Plant Alkaloid 4-Methyl-2,6-naphthyridine." Letters in Organic Chemistry 16, no. 12 (2019): 931–34. http://dx.doi.org/10.2174/1570178616666181116110647.

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: A new synthesis of the 2,6-naphthyridine alkaloid 4-methyl-2,6-naphthyridine from Antirrhinum majus has been developed. Key steps are a regioselective oxidation of 3-bromo-4,5- dimethylpyridine to the corresponding 4-formyl derivative, and the annulation of the second pyridine ring by Suzuki-Miyaura cross-coupling using (E)-2-ethoxyvinylboronic acid pinacol ester as a masked acetaldehyde equivalent. This protocol gives the alkaloid in four steps starting from commercially available 3,4-dimethylpyridine in 15% overall yield. This annulation protocol should be useful for the synthesis of other
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3

Dvořáková, Hana, Antonín Holý, Ivan Votruba, and Milena Masojídková. "Synthesis and Biological Effects of Acyclic Analogs of Deazapurine Nucleosides." Collection of Czechoslovak Chemical Communications 58, no. 3 (1993): 629–48. http://dx.doi.org/10.1135/cccc19930629.

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Deaza analogs of three basic types of S-adenosyl-L-homocysteine hydrolase (SAHase) inhibitors, (S)-DHPA (I), eritadenine (II) and AHPA (III), were prepared. Alkylation of 3-deazaadenine (V), 3-deazapurine (VI), 1-deazaadenine (VII) and 4-amino-6-bromo-5-cyanopyrrolo[2,3-d]pyrimidine (XXII) with (R)-2,2-dimethyl-4-tosyloxymethyl-1,3-dioxolane (XIIIb), followed by acid hydrolysis, afforded the corresponding (S)-2,3-dihydroxypropyl derivatives XVIIa -XIXa and XXV. Reaction of V and VII with 2,3-O-cyclohexylidene-D-erythrono lactone (XXIX) and subsequent removal of the protecting groups in an acid
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4

Ebrahim, Hatim, David J. Evans, Jochen Lehmann, and Lothar Ziser. "Mixed-acetal glucopyranosides of 2-bromo- and 2-iodo-acetaldehyde by mild alkylation of lactol groups. Irreversible cross inhibition using a pair of glycosidases." Carbohydrate Research 286 (June 1996): 189–96. http://dx.doi.org/10.1016/0008-6215(96)00053-5.

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Tanaka, Hideo, Manabu Kuroboshi, Keiko Mesaki, and Syoichi Tateyama. "Diastereoselective Synthesis of 6-Bromo-6-(1-hydroxyethyl)penicillanate by Cross-Coupling of 6,6-Dibromopenicillanate and Acetaldehyde Promoted with Grignard Reagents: Role of Amine Ligands." HETEROCYCLES 73, no. 1 (2007): 877. http://dx.doi.org/10.3987/com-07-s(u)47.

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6

Kuroboshi, Manabu, Keiko Mesaki, Syoichi Tateyama, and Hideo Tanaka. "ChemInform Abstract: Diastereoselective Synthesis of 6-Bromo-6-(1-hydroxyethyl)penicillanate by Cross-Coupling of 6,6-Dibromopenicillanate and Acetaldehyde Promoted with Grignard Reagents: Role of Amine Ligands." ChemInform 39, no. 18 (2008). http://dx.doi.org/10.1002/chin.200818204.

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Dissertations / Theses on the topic "Bromo acetaldehyde"

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Marrot, Laurent. "Mise en evidence du polymorphisme de l'adn a l'aide de sondes chimiques." Orléans, 1988. http://www.theses.fr/1988ORLE2010.

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Le polymorphisme de l'adn et les distorsions induites par la fixation d'un agent antitumoral: le cis-ddp sont etudies a l'aide de reactifs specifiques de la nature et de la conformation des bases. Le bromo ou chloroacetaldehyde permet de cartographier les adenines et les cytosines d'une sequence en conformation z et des jonctions adn-b-adn-z. La caracterisation des distorsions induites par le cis-ddp sur des oligonucleotides et sur les fragments d'adn a ete realisee a l'aide de sondes chimiques. L'accessibilite de la thymine complementaire de l'adenine d'un adduit d(apg) depend de la sequence
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2

Ngono, Bernadette. "Organométalliques à carbonyle masqué : quelques propriétés du lithio-1 triméthylsiloxy-2 éthylène." Rouen, 1989. http://www.theses.fr/1989ROUES021.

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La condensation du lithio-1 triméthylsiloxy-2 éthylène avec les chlorotrialkylsilanes et le triflate de t-butyldiméthylsilyle conduit aux éthers d'énols silyles -silyles. L'hydrolyse acide de ces derniers permet d'isoler le t-butyldiméthylsilyl acétaldéhyde. D'autre part, la condensation du lithio-1 triméthylsiloxy-2 éthylène avec les chlorures d'acides non énolisables conduit a des esters d'énols de -cétoaldéhydes
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