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Synthesis and in vitro study of novel borneol derivatives as potent inhibitors of the influenza A virus.

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TLDR
The design and synthesis of a series of novel heterocyclic derivatives of (–)-borneol and (–-isoborneol as potent inhibitors of the influenza A virus are presented.
Abstract
Herein, we present the design and synthesis of a series of novel heterocyclic derivatives of (-)-borneol and (-)-isoborneol as potent inhibitors of the influenza A virus. All compounds were tested for their toxicity against MDCK cells and for virus-inhibiting activity against the influenza virus A/Puerto Rico/8/34 (H1N1). Compounds 7, 16 and 26 containing a morpholine fragment exhibited the highest efficiency as agents inhibiting the replication of the influenza virus A(H1N1) with selectivity indices of 82, 45 and 65, correspondingly. Derivatives 9 (SI = 23) and 18 (SI = 25) containing a 1-methylpiperazine motif showed moderate antiviral activity. Structure-activity analysis of this new series of borneol derivatives revealed that a 1,7,7-trimethylbicyclo[2.2.1]heptan scaffold is required for the antiviral activity.

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Antioxidant, Antimicrobial and Antiviral Properties of Herbal Materials

TL;DR: In this paper, the authors highlight the antibacterial, antiviral, and radical scavenger (antioxidant) properties of herbal materials, including clove, portulaca, tribulus, eryngium, cinnamon, turmeric, ginger, thyme, pennyroyal, mint, fennel, chamomile, burdock, eucalyptus, primrose, lemon balm, mallow, and garlic.
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Monoterpenes and Their Derivatives-Recent Development in Biological and Medical Applications.

TL;DR: This review focuses on selected aliphatic, monocyclic, and bicyclic monoterpenes like geraniol, thymol, myrtenal, pinene, camphor, borneol, and their modified structures and the introduction of various functionalized moieties into the molecules in question.
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Potential anti-influenza effective plants used in Turkish folk medicine: A review

TL;DR: Thirty-nine plants have been confirmed in the recent experimental anti-influenza research, which strongly shows that these plants are a rich pharmacological source.
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Discovery of a New Class of Inhibitors of Vaccinia Virus Based on (-)-Borneol from Abies sibirica and (+)-Camphor.

TL;DR: The primary structure–activity relationship (SAR) study suggested that the combination of a saturated N‐heterocycle, such as morpholine or 4‐methylpiperidine, and a 1,7,7‐trimethylbicyclo[2.1]heptane scaffold was favorable for antiviral activity.
References
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Journal ArticleDOI

Emergence of a novel swine-origin influenza A (H1N1) virus in humans.

TL;DR: A novel swine-origin influenza A virus was identified as the cause of outbreaks of febrile respiratory infection ranging from self-limited to severe illness and it is likely that the number of confirmed cases underestimates thenumber of cases that have occurred.
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Adamantane resistance among influenza A viruses isolated early during the 2005-2006 influenza season in the United States.

TL;DR: The results indicate that these drugs should not be used for the treatment or prophylaxis of influenza in the United States until susceptibility to adamantanes has been reestablished among circulating influenza A isolates.
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Surveillance of Resistance to Adamantanes among Influenza A(H3N2) and A(H1N1) Viruses Isolated Worldwide

TL;DR: Phylogenetic analysis of the HA and M genes indicates that the acquisition of resistance in A(H1N1) viruses can be linked to a specific genetic group and was not a result of reassortment between A (H3N2) and A( H1N 1) viruses.
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Infections With Oseltamivir-Resistant Influenza A(H1N1) Virus in the United States

TL;DR: Oseltamivir-resistant A(H1N1) viruses circulated widely in the United States during the 2007-2008 influenza season, appeared to be unrelated to oseltAMivir use, and appeared to cause illness similar to oselstamIVir-susceptible A( H1N 1) viruses.
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Global Transmission of Oseltamivir-Resistant Influenza

TL;DR: This winter, the circulating strain of seasonal influenza A virus (H1N1) is resistant to the neuraminidase inhibitor oseltamivir, and the surprise element is its apparently spontaneous emergence since 2007.
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