• 제목/요약/키워드: medicinal reaction

검색결과 229건 처리시간 0.024초

Construction of Indole Library for Serotonin Related Drugs and Macrocyclization Using Selenium Chemistry in Solid-Phase Reaction.

  • Mun, Han-Seo;Jeong, Jin-Hyun
    • 대한약학회:학술대회논문집
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    • 대한약학회 2003년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.1
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    • pp.246.1-246.1
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    • 2003
  • Hetero chain compounds have high possibilities of being good medicinal candidate because of their well-known medicinal activity and relatively low subtitled carbon. By constructing the method of making this compound library, this research has the purpose to create a new medicinal candidate materials based on an easy medicinal search. The first step is to construct an Indole library in a compounding process with the design of a linker connecting a solid-state resin and a substrate. (omitted)

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새로운 사이클로프로필 뉴크레오사이드 유도체의 합성과 생리활성 (Synthesis of Novel Cyclopropyl Nucleoside Derivatives as Potential Antiherpetic Agent)

  • 강진아;천부순;문형룡
    • 약학회지
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    • 제56권4호
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    • pp.230-235
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    • 2012
  • Synthesis of novel cyclopropyl pyrimidine and purine nucleoside derivatives 2~8 with ${\alpha}$-configuration was successfully accomplished using an epoxide-ring opening reaction, lactonization, a hydroboration-oxidation reaction and a Mitsunobu reaction as the key steps. Antiviral activities against HSV-1 and -2, HIV-1 and -2, coxsackie B1and B3 viruses and poliovirus were assayed. Three compounds 4, 7 and 8 exhibit cytotoxicity-derived antiviral activity only in HIV-1 and -2.

Some Nucleophilic Substitutions in 2,4- and 2,4,8-Trichloro- pyrido [3,2-d] pyrimidines

  • Boyomi, Said M.;Ismaiel, Abdel-Kader M.;Eisa, Hassan M.;El-Kerdawy, Mohamed M.
    • Archives of Pharmacal Research
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    • 제12권1호
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    • pp.8-11
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    • 1989
  • Reaction of 6-(acetoxymethyl) -2,4-dichloropyrido [3,2-d] pyrimidine (I) with some nucleophiles was investigated. When I reacted with sodium azide afforded 2,4-diazido derivative (II). Treatment of II with sodium hydroxide underwent cyclization of the 2-azido group to tetrazolo, replacement of 4-azido group by hydroxide ion, and hydrolysis of 6-ace-foxy moiety to hydroxy methyl derivative (III). While, reaction of I with hydrazine hydrate resulted in the formation of 2,4 dihydrozino-6-hydroxymethyl derivative (lV).

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자오가피(刺五加皮) 약침액(藥針液)의 항(抗)알러지 효과(效果)에 대한 실험적(實驗的) 연구(硏究) (An experimental study of Antiallergic activity of Medicinal Acupunture Solution of Acanthopanax senticosus(Rupr. et Maxim.))

  • 윤종태;설인찬;김동희;김성훈;김한성
    • Journal of Acupuncture Research
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    • 제18권2호
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    • pp.136-149
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    • 2001
  • Objetives : This study was done to evaluate the antiallegic effect of medicinal acupuncture solution of Acanthopanax senticosus(Rupr. et Maxim;abbreviated as ASMA), studies were done experimentally. Methods : For this aim MTT assay, anaphylaxis reaction, DTH, histamine release, IgE production and vascular permability was evaluated. Results : ASMA didn't show an effective cytotoxicity on the mouse lung fibroblast. It insignifcantly suppressed histamine release from mast cells induced by compound 48/80, while it significantly reduced IgE production and SRBC-challenged DTH(Delayed type hypersensitivity). ASMA effectively suppressed anaphylactic reaction induced by compound 48/80. However, it didn't inhibit vascular permeability and contact dermatitis significantly. Conclusion:Medicinal acupucture solution had antialletgic effects. Acanthopanax senticosus medical acupuncture depress the allergy reaction. Especially in anaphylactic type, the effect was good.

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Diastereoselective Synthesis of Unsaturated 1,4-Amino Alcohols as a Biologically Important Moiety

  • Jung Young Hoon;Kim Ji Duck
    • Archives of Pharmacal Research
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    • 제28권4호
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    • pp.382-390
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    • 2005
  • chial allylic ethers with a hydroxyl group attached to the $\pi-system$ and chlorosulfonyl isocyanate. The enantioselectivity of the CSI reaction with the chiral allylic and benzylic ethers was examined in various solvents and temperatures. Based on these results, it was proposed that the CSI reaction is a competitive reaction of a $S_{N}i$ (retention) and a $S_{N}1$ mechanism (racemization) according to the stability of the carbocation intermediate. This means that there is a greater proportion of retention with the less stable the carbocation intermediate and vise versa.