Synthesis, physical properties and biradical characters of zethrene based polycylic hydrocarbons 2

... Hz, 4H), 2. 73 -2. 83 (m, 4H), 1.18 (d, J = 6.7 Hz, 12H) 13C NMR (CDCl3, 125 MHz) δ: 163.6, 145.7, 136.8, 1 32. 6, 131 .2, 129 . 62, 129 .6, 127 .8, 126 .6, 124 .2, 124 .1, 124 .07, 122 .5, 122 .4, 29 .7, 24 .0 HR-MS ... Hz, 2H), 2. 61 -2. 71 (m, 2H), 1.14 (d, J = 6.9 Hz, 12H) 13 C NMR (CDCl3, 75 MHz) δ: 163 .2, 145.5, 136.3, 1 32. 0, 129 .8, 128 .6, 124 .1, 123 .1, 29 .2, 23 .9 HR-MS (...

Ngày tải lên: 10/09/2015, 09:28

... biradical ground state 1. 1 .1 PHs with a closed-shell ground state 1. 1.2 PHs with an open-shell ground state 1. 2 Overview on zethrene- based PHs 14 1. 2 .1 Synthesis and reactivity for zethrene- based ... properties of compounds 2-3 and 4-3 Table 5 .1 Photophysical and electrochemical properties of compounds 5 -1 and 5-2 ix List of Figures Figure 1. 1 Ex...

Ngày tải lên: 10/09/2015, 09:30

... VIII LIST OF TABLES Table 2.1 Summary of photophysical and electrochemical properties of compounds 24, 2-5 and 2-6…………………… ………………………………………………….35 Table 3.1 Summary of photophysical and electrochemical ... meso-Substituted Bisanthenes as Soluble and Stable NIR Dyes 2.1 Introduction Near infrared (NIR) dyes1 with absorption and/ or emission in the spectral range of 7...

Ngày tải lên: 10/09/2015, 08:38

... well as the effect of these lipids on the physical properties of the membrane Effect of KL4 on the lipid order of surfactant-like membranes To evaluate KL4 effects on the lipid order of surfactant-like ... bilayers, and their dependence on calcium Therefore, the objectives of this study were to analyze (a) the effect of KL4 on the physical pr...

Ngày tải lên: 30/03/2014, 11:20

... observation Optical Properties and Photocatalytic Activity of 1D CdS@ZnS Core-Shell Nanocomposites The optical properties of 1D CdS@ZnS core-shell nanocomposites were measured using UV-vis absorption and ... spectrophotometer and WGY-10 spectrofluorimeter Photocatalytic Decomposition of MB and 4CP To evaluate the photocatalytic activity of the synthesized...

Ngày tải lên: 22/06/2014, 01:20

... studies which examined the physical properties and none of these had examined the physical properties of WMTA Studies comparing the physical properties and sealing ability of MTA and PC are still not ... of White MTA, ProRoot MTA, White Portland Cement and Ordinary Portland cement To compare the compressive strength of White MTA, ProRoot...

Ngày tải lên: 03/10/2015, 20:59

... study of electronic structure of conjugated polymers, which contain extended conjugated chain and exhibit unusual color changes 2- 1 -2 Photoluminescence spectroscopy (PL) During the process of ... the aim of overcoming some common defects in MNDO (Modified Neglect of Diatomic Overlap), such as overestimation of energies for sterically crowded molecules and inadequate...

Ngày tải lên: 17/09/2015, 17:20

... 2.051 (4) Ni(1) -N( 1) 2.0 84( 4) Ni(1)-O(1) 2.089 (4) Ni(2)-O( 14) 2.039 (4) Ni(2)-O(7) 2. 042 (4) Ni(2)-O(5)a 2. 048 (4) Ni(2)-O(13) 2.070(3) Ni(2)-O(6) 2.101(3) O(5)-Ni(2)b 2. 048 (4) O( 14) -Ni(2)-O(5)a 89. 4( 2) ... oxygen atom (Ni(1)-O(2), 2. 047 (4) Å and Ni(2)O(7), 2. 042 (4) Å) in a facial manner, two aqua ligands and another carboxylate oxygen from the neighboring molecule Sel...

Ngày tải lên: 15/09/2015, 17:10

... C12H17NNiO4S C22H2 6N4 NiO8 f.w 35 0.81 38 1.84 31 3. 93 330 .04 533 .18 T/K 22 3( 2) 22 3( 2) 22 3( 2) 22 3( 2) 22 3( 2) λ/Å 0.710 73 Å 0.710 73 0.710 73 0.710 73 0.710 73 Crystal system Monoclinic Monoclinic Orthorhombic ... improving the structural insights in terms of hydrogen bonding tendencies of the amino acid components 3- 5 Experimental 3- 5-1 Synthesis of ligan...

Ngày tải lên: 15/09/2015, 17:10

... noradrenaline and dopa.8 Oxidation of mono- and diphenol-containing neurotransmitters such as dopamine, epinephrine, norepinephrine and serotonin have been found associated with the Fe(II) and Cu(II) ... hydrogen bonds generate 3D hydrogen bonded network connectivity in IIA-4 Hydrogen bond distances and angles are shown in Table 2- 8 A portion of the hydrogen bonding connecti...

Ngày tải lên: 15/09/2015, 17:10

... acid H2Saes N- (2- hydroxysalicylidene)-aminoethanesulfonic acid H2Sam N- (2- hydroxybenzyl)- aminomethanesulfonic acid H2Sae N- (2- hydroxybenzyl)- aminoethanesulfonic acid H2Sas N -(2- hydroxybenzyl)- L-aspartic ... salicylaldehyde and amino acids have focused upon the tridentate ligand binding mode of these ligands. 18-19 Transition metal complexes of...

Ngày tải lên: 15/09/2015, 17:10

... females Fig Ability to perform ADL Analysis by gender Tlie Ceylon Journal of Medical Science Physical health and functional ability of an elderly population in Sri Lanka 13 Table Number and % (in parenthesis) ... Identification of health problems and functional ability of an elderly population is of importance to health planners and policy make...

Ngày tải lên: 14/02/2014, 06:20

... ***** A DISSERTATION ON THE MEDICAL PROPERTIES AND INJURIOUS EFFECT OF THE HABITUAL USE OF TOBACCO: READ, ACCORDING TO APPOINTMENT, BEFORE THE MEDICAL SOCIETY OF THE COUNTY OF ONEIDA, AT THEIR ... consumers, and why the candid among them acknowledge that these evils arise from its use? The health of the medical gentleman above named was materi...

Ngày tải lên: 17/02/2014, 22:20

... following nine mutations: V106A, V106G, V106H, V106I, V106K, V106L, V106M, V106Q and V106T We then characterized the enzymatic properties of the mutant enzymes The apparent native sizes of the –ATP ... of dTMP formation and thymidine concentration Open symbols, +ATP forms; closed symbols, –ATP forms (A) Dimeric enzymes: V106WT, V106A, V106I and V106T; (B) tetrameric enzymes:...

Ngày tải lên: 16/03/2014, 16:20