Eugenol is a phytochemical present in aromatic plants has generated considerable interest in the pharmaceutical industries mainly in cosmetics. A series of eugenol esters (ST1-ST7) and chloro eugenol (ST8) have been synthesized. The structures of newly synthesized compounds were confirmed by 1H and 13C NMR and mass spectrometry. In an effort to evaluate the pharmacological activity of eugenol derivatives
丁香酚是存在于芳香植物中的一种植物化学物质,已引起制药行业的极大兴趣,主要是化妆品。合成了一系列丁香酚酯(ST1-ST7)和氯丁香酚(ST8)。新合成的化合物的结构通过1 H和13 C NMR和质谱证实。为了评估丁子香酚衍生物的药理活性,我们使用体外和体内生物测定法探索了丁香酚衍生物对皮肤炎症的抗炎潜力。合成的衍生物显着抑制了巨噬细胞中针对LPS诱导的炎症的促炎细胞因子的产生。在所有衍生物中,ST8 [氯丁香酚(6-氯,2-甲氧基-4-(丙-2-烯-1-基)-苯酚)]显示出最有效的抗炎活性,而没有任何细胞毒性作用。我们进一步评估了体内条件下的疗效和安全性。ST8对TPA诱导的皮肤炎症表现出显着的抗炎活性,对实验动物没有任何皮肤刺激作用。这些发现表明ST8可能是治疗皮肤炎症的有用候选药物。
Synthesis and Antibacterial Study of Eugenol Derivatives
作者:Nurul Hazwani Che Abdul Rahim、Asnuzilawati Asari、Noraznawati Ismail、Hasnah Osman
DOI:10.14233/ajchem.2017.20100
日期:——
A series of eugenol derivatives (2-14) were synthesized and evaluated for their antibacterial activity against five bacterial test strains; three Gram-positive bacteria (Bacillus subtilis, Staphylococcus aureus and Staphylococcus epidermidis) and two Gram-negative bacteria (Escherichia coli and Salmonella typhimurium) using well-diffusion method. Among the compounds tested, compounds 2-4 displayed susceptible activity toward S. epidermidis with 16-18 mm whereas compounds 12 exhibited susceptible inhibition towards S. aureus only with inhibition diameter of 16 mm, respectively. Other compounds possessed varied antibacterial activities classified as intermediate or resistance indicating that eugenol derivatives have narrow spectrum activity and specifically to Gram-positive bacteria.
Eugenol derived immunomodulatory molecules against visceral leishmaniasis
作者:Mamilla R. Charan Raja、Anand Babu Velappan、Davidraj Chellappan、Joy Debnath、Santanu Kar Mahapatra
DOI:10.1016/j.ejmech.2017.08.030
日期:2017.10
(∼4 folds) in L. donovani infected peritoneal macrophages. Comp.35 had also increased the IL-12 (∼6 folds) and decreased the IL-10 (∼3 folds) mRNA expression and release in vitro. Results of in vivo studies revealed that comp.35 treatment at 25 mg/kg body weight efficiently cleared the hepatic and splenic parasite burden with enhanced Th1response in L. donovani infected BALB/cmice. Hence, this study
COMPOSITIONS FOR REDUCING AB 42 PRODUCTION AND THEIR USE IN TREATING ALZHEIMER'S DISEASE (AD)
申请人:KAREUS THERAPEUTICS SA
公开号:US20140364457A1
公开(公告)日:2014-12-11
Novel small molecule compounds for reduction of Aβ 42 production and for treatment of Alzheimer's disease and other neurodegenerative disorders, methods of making them and pharmaceutical compositions containing them are described.