betulonic acid/үрэвсэл

Холбоосыг санах ойд хадгалдаг

НийтлэлЭмнэл зүйн туршилтПатент

Эрэмбэлэх төрлийг сонгоно уу

10 үр дүн

Efficient synthesis of the first betulonic acid-acetylene hybrids and their hepatoprotective and anti-inflammatory activity.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

The Sonogashira reaction can be applied for the preparation of acetylenic derivatives of betulonic acid where the triterpenoid moiety can serve as either the halo- or the acetylenic component. This reaction opened access to the first derivatives of betulonic acid containing either the arylethynyl

Lupane-type conjugates with aminoacids, 1,3,4- oxadiazole and 1,2,5-oxadiazole-2-oxide derivatives: Synthesis, anti-inflammatory activity and in silico evaluation of target affinity.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

With the purpose to improve anti-inflammatory activity, the impact of introduction of 1,2,5- and 1,3,4-oxadiazole fragments to betulonic acid core as well as hybrids tethered with short ω-amino acids has been studied. The anti-inflammatory activity of synthesized compounds was tested in vivo using

Betulinic Acid-Azaprostanoid Hybrids: Synthesis and Pharmacological Evaluation as Anti-inflammatory Agents

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

Background: Prevention and treatment of chronic inflammatory diseases require effective and low-toxic medicines. Molecular hybridization is an effective strategy to enhance the biological activity of new compounds. Triterpenoid scaffolds

Rapid access to new bioconjugates of betulonic acid via click chemistry.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

Plant-derived pentacyclic triterpenoids of lupane and oleanane families provide a versatile structural platform for the discovery of new biologically active compounds. A number of semisynthetic derivatives of these molecules, possess high medical efficiency including antiviral (HIV-1), anticancer

Study of skin anti-ageing and anti-inflammatory effects of dihydroquercetin, natural triterpenoids, and their synthetic derivatives.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

Accessible triterpenoids of ursane and lupane series, the flavonoid dihydroquercetin and their synthetic derivatives with polar substituentss were tested in vitro for inhibition of collagenase 1 (MMP-1) in UVB irradiation assay. Ursolic acid and uvaol disuccinate were the most active inhibitors in

In vitro effect of combined hybrid molecules from vitamin E analogues and betulinic acid on macrophage activity.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

Macrophage activity was studied after treatment with hybrid molecules obtained by condensation of terpenic acid residues (betulinic and betulonic acids) and α-tocopherol analogues (α-tocopherol hemisuccinate and Trolox acid). As distinct from betulinic acid and α-tocopherol hemisuccinate, hybrid

Bioactive constituents from Harpephyllum caffrum Bernh. and Rhus coriaria L.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

BACKGROUND The leaf ethanol extract of Harpephyllum caffrum Bernh. has evidenced medicinal value due to its hepatoprotective activity. It demonstrated inhibitory effects on test standard microbes approximated to 40% the potency of ofloxacin and fluconazole. The same extract evidenced in vitro

[Synthesis of aminopropylaminoderivatives of betulinic and oleanolic acids].

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

On the basis of betulinic and oleanolic acids triterpenoids with different with different amine fragments: (3-aminopropoxy)-, 3-acetyl-(3-aminopropyl)amino-, 6-[bis(3-aminopropyl)amino]hexylamino-, (3-aminopropyl)-4-aminosulfonyl-4-phenylamino- at positions C3 and C28 were synthesized. It is shown

Enzymatic biotransformation of terpenes as bioactive agents.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

The plant-derived terpenoids are considered to be the most potent anticancer, anti-inflammatory and anticarcinogenic compounds known. Enzymatic biotransformation is a very useful approach to expand the chemical diversity of natural products. Recent enzymatic biotransformation studies on terpenoids

Activity of lupane triterpenoids from Maytenus species as inhibitors of nitric oxide and prostaglandin E2.

Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой

Нэвтрэх / Бүртгүүлэх

In the present study, we report that three new lupane triterpenes (1-3), in addition to 16 known ones (4-19), were isolated from the root bark of Maytenus cuzcoina and the leaves of Maytenus chiapensis. Their structures were elucidated by spectral analysis, including homonuclear and heteronuclear

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