نتایج جستجو برای: n 2h 1
تعداد نتایج: 3351044 فیلتر نتایج به سال:
Novel derivatives of chromenone bearing an N -carbamothioyl moiety were synthesized and evaluated for their soybean 15-LOX inhibitory activity. Synthesis of the target compounds was started from 7-hydroxy-2H -chromen-2-one. It was reacted with 1-fluoro-2(4)-nitrobenzene to obtain the corresponding nitrophenoxy-chromenone derivative. Reduction of the nitro group was achieved in the presence of Z...
Several problems limit quantification of gluconeogenesis. We applied in vitro 2H-nuclear magnetic resonance (NMR) spectroscopy to simultaneously measure 2H in all glucose carbons for direct assessment of gluconeogenesis. This method was compared with 2H measurement in carbons 5 and 2 using gas chromatography-mass spectrometry (hexamethylenetetramine [HMT]) and with in vivo 13C magnetic resonanc...
The title compound, [CuBr(C(9)H(9)N(5))](n), prepared by the solvothermal treatment of CuBr with 4-(2-allyl-2H-tetra-zol-5-yl)pyridine, is a new homometallic Cu(I)-olefin coordination polymer in which dinuclear Cu(2)Br(2) units are linked by the organic olefin ligand 4-(2-allyl-2H-tetra-zol-5-yl)pyridine, which acts as a bidentate ligand connecting two neighbouring Cu(2)Br(2) units through the ...
The title compound, [Zn(C(8)H(6)N(5)O(2))(2)(H(2)O)(2)], was synthesized by hydro-thermal reaction of ZnBr(2) with 2-[5-(2-pyrid-yl)-2H-tetra-zol-2-yl]acetic acid. The Zn(II) atom lies on an inversion center in a distorted octa-hedral environment with two planar trans-related N,N'-chelating 2-[5-(2-pyrid-yl)-2H-tetra-zol-2-yl]acetic acid ligands in the equatorial plane and two water mol-ecules ...
We report on the optoelectronic properties of GaN$(0001)$ and $(1\bar{1}00)$ surfaces after their functionalization with phosphonic acid derivatives. To analyze possible correlation between acid's electronegativity GaN surface band bending, two types acids, n-octylphosphonic (OPA) 1H,1H,2H,2H-perfluorooctanephosphonic (PFOPA), are grafted oxidized GaN$(1\bar{1}00)$ layers as well nanowires. The...
The asymmetric unit of the solvated title salt, 2C(3)H(7)N(6) (+)·C(4)H(4)O(4) (2-)·C(4)H(6)O(4)·2H(2)O, contains one essentially planar melaminium (2,4,6-triamino-1,3,5-triazin-1-ium) cation (r.m.s. deviation of the non-H atoms = 0.0097 Å), one-half of a succinate anion, one-half of a succinic acid solvent mol-ecule and one water molecule of crystallization; full mol-ecules are generated by in...
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