نتایج جستجو برای: 5 br padap
تعداد نتایج: 1249441 فیلتر نتایج به سال:
In the title compound, C(19)H(15)N(4) (+)·Br(-)·C(2)H(5)OH, the tetra-zole ring makes dihedral angles of 57.44 (9), 50.92 (9) and 4.65 (8)° with the attached phenyl rings. In the crystal, the cation and the anion are linked to each other by inter-molecular C-H⋯Br hydrogen bonds into an infinite chain along the b axis. The anion and the ethanol solvent mol-ecule are linked by an O-H⋯Br hydrogen ...
Treatment of [Et(4)N][Tp*W(μ(3)-S)(3)(CuBr)(3)] (Tp* = hydridotris(3,5-dimethylpyrazol-1-yl)borate) (1) with an excess of α-methylpyridine (α-MePy) and NH(4)PF(6) in CH(2)Cl(2) afforded a cationic cluster [Tp*W(μ(3)-S)(3)Cu(3)(α-MePy)(3)(μ(3)-Br)](PF(6)) (2) while the reaction of 1 with an excess of 1,4-pyrazine (1,4-pyz) and NH(4)PF(6) in MeCN-CH(2)Cl(2) at 65 °C produced a polymeric cluster [...
In the title compound, [PdBr(2)(C(19)H(17)P)(2)], the Pd(II) ion resides on a centre of symmetry and is coordinated by two Br anions [Pd-Br = 2.4266 (2) Å] and two P-donor ligands [Pd-P = 2.3462 (5) Å] in a slightly distorted square-planar geometry [P-Pd-Br = 93.528 (12)°]. Weak inter-molecular C-H⋯Br hydrogen bonds link mol-ecules into chains extended in [10].
and Kk(BA,Br) = span{Br, (BA)Br, . . . , (BA)k−1Br}, (3) where B ∈ Rn×m is the mapping and preconditioning matrix, and apply Krylov subspace iteration methods on these subspaces. For overdetermined problems, applying the standard CG method to Kk(BA,Br) leads to the preconditioned CGLS [3] or CGNR [9] method while for underdetermined problems it leads to preconditioned CGNE [9] method. The GMRES...
در این پژوهش کمپلکس معدنیvo-salenو 5-br-meso-vo-salenاز تراکم آلدولی اتیلن دی آمین سالسیل آلدهید در حضور ترکیب وانادیوم استیل استونات سنتز گردید. ابتدا قدرت آنتی اکسیدانی salen بهوسیله ی آزمون dpphمورد ارزیابی قرار گرفت، نتایج نشان داد که salen قدرت آنتی اکسیدانی بسیار ضعیفی در مقایسه با کمپلکس های وانادیوم اکسید آن دارد.ارزیابی اثرات سمیت سلولی و ضد تکثیری کمپلکس های salen ، vo-salenو 5-br-mes...
The title compound, C(6)HBr(5)O, is the perbrominated derivative of phenol. The mol-ecule shows non-crystallographic mirror symmetry. Bond lengths between the C and Br atoms are normal. In the crystal structure, O-H⋯O hydrogen bonds connect the mol-ecules into infinite strands. Dispersive Br⋯Br contacts are observed. No significant π-π stacking is obvious.
In the title mol-ecule, C(12)H(10)Br(3)NO(2), the 2H-chromen ring is essentially planar (r.m.s. deviation = 0.022 Å) with the ethyl-amino group oriented at 13.9 (5)° with respect to the ring. The mol-ecular structure is stabilized by intra-molecular N-H⋯Br and C-H⋯Br interactions.
In the crystal structure of the title hydrated bromide salt, C(20)H(20)P(+)·Br(-)·2H(2)O, O-H⋯Br and O-H⋯O hydrogen bonds as well as C-H⋯Br contacts connect the different components into a three-dimensional network. In the cation, the aromatic rings make dihedral angles of 55.24 (5), 76.16 (4) and 85.68 (4)°.
BACKGROUND Improving the carbohydrate quality of the diet by replacing the common cereal staple white rice (WR) with brown rice (BR) could have beneficial effects on reducing the risk for diabetes and related complications. Hence we aimed to compare the effects of BR, WR, and BR with legumes (BRL) diets on 24-h glycemic and insulinemic responses among overweight Asian Indians. SUBJECTS AND ME...
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