نتایج جستجو برای: 23 dihydroquinazolin 41h one
تعداد نتایج: 2142919 فیلتر نتایج به سال:
1- in a search directed to the reaction of compound)23(the cycloaddition reaction of 1,3- diphenylisobenzofurane)14(with p-benzoquinone)19(,followed by addition of cyclopentadiene was carried out.the specific spacial stracture of its ir,nmr,mass spectra. 2- in another attempt the kinetic stability and behavior of compounds)20(and)23(was studied.the main subject of this study was the highly reve...
facile and versatile procedures have been explored for the synthesis of tetrahydropyridines and 2,3-dihydroquinazolin-4(1h)-ones. these protocols employ the one-pot multi-component condensation of arylaldehydes and aromatic amines with β-keto esters and isatoic anhydride in chloroacetic acid, respectively. the reactions proceeded smoothly to generate the corresponding products in high yield. we...
In just 10 years from its discovery in 2000, interleukin-23 has quickly moved from being recognized as a pro-inflammatory cytokine to a key player and potential therapeutic target in psoriasis.
The recent advances in the understanding of psoriasis pathogenesis have clarified the pivotal role of interleukin (IL)-23. It is a heterodimeric cytokine consisting of two subunits, the unique p19 and the p40, which are shared with IL-12. The basic role of IL-23 in psoriasis is the activation and maintenance of the T-helper 17 pathway. New research findings indicate that IL-23 is more important...
It has been reported that [3-(1,1'-biphenyl-4-yl)-2-(1-methyl-5-dimethylamino-pentylamino)-3,4-dihydroquinazolin-4-yl]-N-benzylacetamide 2hydrochloride (KYS05090), a selective T-type Ca2+ channel blocker, reduces tumor volume and weight in the A549 xenograft model, but the molecular mechanism of cell death has not yet been elucidated. In this study, KYS05090 induced autophagy- and apoptosis-med...
Nano-sized protonated ZSM–5 ( H-ZSM-5nanozeolite) was successfully synthesized by the hydrothermal method using the bagasse ash (BGA) as a new silica source. Cultivated BGA in the south of the Caspian Sea (Mazandaran province, Iran) was used for extracting silica powder. H-ZSM-5 was characterized by Fourier transform infrared (FT-IR), X-ray diffraction (XRD), scanning electronic microscopy (SEM...
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