CN102872090A - Application of Houttuynoid D in anti-bacterial agents - Google Patents

Application of Houttuynoid D in anti-bacterial agents Download PDF

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Publication number
CN102872090A
CN102872090A CN2012104186782A CN201210418678A CN102872090A CN 102872090 A CN102872090 A CN 102872090A CN 2012104186782 A CN2012104186782 A CN 2012104186782A CN 201210418678 A CN201210418678 A CN 201210418678A CN 102872090 A CN102872090 A CN 102872090A
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houttuynoid
application
bacterial
bacterial agents
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CN102872090B (en
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张广
王泽正
吴俊华
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Jiangsu Kangheng Chemical Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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Abstract

The invention relates to an application of Houttuynoid B in preparing anti-bacterial agents, and belongs to the field of medicines. Houttuynoid B has great inhibition effect on escherichia coli, pseudomonas fluorescence, staphyloccocus aureus, proteus and cryptococcus neoformans, and therefore can be used as an antibacterial compound and is expected to be applied in relevant medicines. The application of Houttuynoid B in preparing anti-bacterial agents is disclosed for the first time, has extremely high bacterial inhibitory activity as the skeleton type belongs to a completely novel skeleton type, has prominent substantive features and no any possibility for other compounds to give any inspiration, and simultaneously has remarkable progress when used for preventing and treating bacterial infection.

Description

The application of Houttuynoid B in anti-bacterial drug
Technical field
The present invention relates to the purposes of Houttuynoid B, relate in particular to the application of Houttuynoid B in the preparation anti-bacterial drug.
Background technology
Human health and lives in the diffusion of pathogenic bacterium and chemical sproof enhancing serious threat thereof, antibacterials are widely used in acquired immune deficiency syndrome (AIDS) as routine administration, organ transplantation and Chronic consumptions are (such as cancer, diabetes, uremia etc.) treatment, although the antimicrobial agent of using clinically at present is (such as ketoconazole, amikacin, gentamycin, voriconazole, itraconazole, terbinafine, amphotericin, fluconazol etc.) better to the curative effect of skin and superficial place infection, but the cumulative toxicity of these antibacterials is stronger, usually cause lesions of liver and kidney, digestive tract stimulates, dizzy, irritated etc., become one of focus of current medicament research and development so seek the novel antibacterial medicine of mechanism of action uniqueness.
The compound H outtuynoid B that the present invention relates to is one and delivered (Chen in 2012, S. D. et al., 2012. Houttuynoid B_E, Anti-Herpes Simplex Virus Active Flavonoids with Novel Skeletons from Houttuynia cordata. Organic Letters 14 (7), 1772 – 1775.) New skeleton compound, this chemical compound has brand-new framework types, present purposes only relates to anti-herpes simplex virus activity (Chen, S. D. et al., 2012. Houttuynoid B_E, Anti-Herpes Simplex Virus Active Flavonoids with Novel Skeletons from Houttuynia cordata. Organic Letters 14 (7), 1772 – 1775.), belong to open first for the purposes of the Houttuynoid B that the present invention relates in the preparation anti-bacterial drug, because framework types belongs to brand-new framework types, and it is active unexpectedly strong for bacteriostatic, there is not the possibility that is provided any enlightenment by other chemical compounds, possess outstanding substantive distinguishing features, the control that is used for simultaneously the antibacterial infection obviously has significant progress.
Summary of the invention
The object of the invention is to:
The application of a kind of Houttuynoid B of the present invention in the preparation anti-bacterial drug is provided.
Described compound H outtuynoid B structure is shown in formula I:
Figure BDA0000231834761
Formula I
Houttuynoid B has the effect of very strong inhibition escherichia coli, fluorescent pseudomonas, Staphylococcus aureus, Bacillus proteus, neogenesis cryptococcus, so Houttuynoid B can be used as the chemical compound with antibacterial action, and be expected in the preparation antibacterials, be applied.
The purposes of Houttuynoid B in the preparation anti-bacterial drug belongs to open first, because framework types belongs to brand-new framework types, and it is active unexpectedly strong for bacteriostatic, there is not the possibility that is provided any enlightenment by other chemical compounds, possess outstanding substantive distinguishing features, the control that is used for simultaneously the antibacterial infection obviously has significant progress.
The specific embodiment
The preparation method of compound H outtuynoid B involved in the present invention is referring to document (Chen, S. D. et al., 2012. Houttuynoid B_E, Anti-Herpes Simplex Virus Active Flavonoids with Novel Skeletons from Houttuynia cordata. Organic Letters 14 (7), 1772 – 1775.).
The present invention is further detailed explanation by the following examples, but protection scope of the present invention is not subjected to any restriction of specific embodiment, but limited by claim.
Embodiment 1: the preparation of compound H outtuynoid B tablet involved in the present invention:
Get 20 and digest compound Houttuynoid B, add conventional adjuvant 180 grams of preparation tablet, mixing, conventional tablet machine are made 1000.
Embodiment 2: the preparation of compound H outtuynoid B capsule involved in the present invention:
Get 20 and digest compound Houttuynoid B, add conventional adjuvant such as starch 180 grams of preparation capsule, mixing is encapsulatedly made 1000.
Further specify its pharmaceutically active below by pharmacodynamic experiment.
Experimental example: Houttuynoid B antibacterial activity
Antibacterial activity test is to adopt the method for concentration dilution, measures triplicate at every turn, and the test pathogen has escherichia coli, fluorescent pseudomonas, Staphylococcus aureus, Bacillus proteus, neogenesis cryptococcus, and bacterial concentration is 10 5Individual/mL.Houttuynoid B initial concentration is 50.0 μ g/mL(5% dimethyl sulfoxide DMSO), gradient dilution to 0.098 μ g/mL, the bacterium liquid of equivalent volumes and specimen Mixed culture are in 96 orifice plates, the antibacterial culturing temperature is respectively 37 ℃, observe behind the incubation time 24h, if discovery is the sample lowest concentration of antimicrobial when not having bacterium colony to form, i.e. the MIC value.This experiment positive control is amikacin sulfate, and Houttuynoid B the anti-bacterial result sees Table 1.
The antibiotic MIC value of table 1 Houttuynoid B (μ g/mL)
Figure BDA0000231834762
Conclusion: Houttuynoid B has very strong antibacterial activity, and therefore Houttuynoid B of the present invention is expected to be used to prepare the novel antibacterial medicine.

Claims (1)

1.Houttuynoid the application of B in anti-bacterial drug, described compound H outtuynoid B structure as Formula IShown in:
Figure 2012104186782100001DEST_PATH_IMAGE001
Formula I.
CN2012104186782A 2012-10-27 2012-10-27 Application of Houttuynoid D in anti-bacterial agents Expired - Fee Related CN102872090B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103027907A (en) * 2012-11-19 2013-04-10 何晓涛 Application of Aphanamixoid A in preparation of antibacterial drugs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SHAO-DAN CHEN ET AL: "Houttuynoids A-E, Anti-Herpes Simplex Virus Active Flavonoids with Novel Skeletons from Houttuynia cordata", 《ORG. LETT.》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103027907A (en) * 2012-11-19 2013-04-10 何晓涛 Application of Aphanamixoid A in preparation of antibacterial drugs

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CF01 Termination of patent right due to non-payment of annual fee