نتایج جستجو برای: f and cl
تعداد نتایج: 16868890 فیلتر نتایج به سال:
Equatorial/axial conversion in piperidine and phosphorinane with different substituents wereinvestigated with great details. Three possible routes, i.e. heteroatom inversion and two ring inversiontype were considered. Ring conversion can occur via two pathways one starts with ring flatteningfrom the heteroatom site (nitrogen in piperidine and phosphorous in phosphorinane) and the otherinitiates...
چکیده: ساختار مولکولی، پیوند هیدروژنی درون مولکولی و فرکانسهای ارتعاشی2-هیدروکسی بنزوفنون به وسیله محاسبات تئوری dft مورد بررسی قرار گرفت. مشتقات مختلف2- هیدروکسی بنزوفنون به منظور مطالعه مزدوج شدن، رزنانس، اثرات فضایی روی ساختار مولکول و قدرت پیوند هیدروژنی درون مولکولی به صورت تئوری مورد بررسی قرار گرفتند. بررسی ساختار هندسی و قدرت پیوند هیدروژنی درون مولکولی2- هیدروکسی بنزوفنون توسط محا...
in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...
Tacrolimus, a cornerstone of immunosuppressive therapy in solid organ transplantation, has a narrow therapeutic range with considerable inter-individual and intra-individual pharmacokinetic variability. To date, there is no information on the pharmacokinetics of tacrolimus in Iranian liver transplant recipients. This study was designed to determine pharmacokinetic properties of orally administe...
this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...
Tacrolimus, a cornerstone of immunosuppressive therapy in solid organ transplantation, has a narrow therapeutic range with considerable inter-individual and intra-individual pharmacokinetic variability. To date, there is no information on the pharmacokinetics of tacrolimus in Iranian liver transplant recipients. This study was designed to determine pharmacokinetic properties of orally administe...
In this article, theoretical studies on the selective complexation of the halide ions (F¯, Cl¯ and Br¯) and ion pairs (Na+F¯, Na+Cl¯ and Na+Br¯) with the cyclic nano-hexapeptide (CP) composed of L-proline have been performed in the gas phase. In order to calculate the dispersion interaction energies of the CP and ions, DFT-D3 calculations at the M05-2X-D3/6-31G(d) level was employed. Based on t...
objective(s) as there are conflicting findings regarding the clearance-dose and patient characteristics relationships for valproic acid (vpa), this study was conducted to investigate the relationship between patient demographic characteristics, vpa dosage and the drug clearance in adult iranian patients. materials and methods patients (n= 47) were either on monotherapy with vpa or were under co...
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