Day: March 30, 2022

Jorge, Ana Rita; Chernobryva, Mariya; Rigby, Stephen E. J.; Watkinson, Michael; Resmini, Marina published an article about the compound: 1-(Bromomethyl)-4-ethylbenzene( cas:57825-30-6,SMILESS:CCC1=CC=C(CBr)C=C1 ).Formula: C9H11Br. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:57825-30-6) through the article.

Recent advances in nanomaterials have identified nanogels as an excellent matrix for novel biomimetic catalysts using the mol. imprinting approach. Polymerisable Co-cyclen complexes with phosphonate and carbonate templates were prepared, fully characterized and used to obtain nanogels that show high activity and turnover with low catalytic load, compared to the free complex, in the hydrolysis of 4-nitrophenyl phosphate, a nerve agent simulant. The chem. structure of the template has an impact on the coordination geometry and oxidation state of the metal center in the polymerisable complex resulting in very significant changes in the catalytic properties of the polymeric matrix. Both pseudo-octahedral Co(III) and trigonal-bipyramidal Co(II) structures were used for the synthesis of imprinted nanogels, and the catalytic data demonstrate that: (i) the imprinted nanogels can be used in 15% load and show turnover; (ii) the structural differences in the polymeric matrixes resulting from the imprinting approach with different templates are responsible for the mol. recognition capabilities and the catalytic activity. Nanogel P1, imprinted with the carbonate template, shows > 50% higher catalytic activity than P2 imprinted with the phosphonate.

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Reference:
Quinoxaline – Wikipedia,
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Reference of 8-Hydroxyquinoline 1-oxide. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 8-Hydroxyquinoline 1-oxide, is researched, Molecular C9H7NO2, CAS is 1127-45-3, about Behavior of N-oxide derivatives in atmospheric pressure ionization mass spectrometry. Author is Ibrahim, Hany; Couderc, Francois; Perio, Pierre; Collin, Fabrice; Nepveu, Francoise.

RATIONALE : Indolone-N-oxide derivatives possess interesting biol. properties. The anal. of these compounds using mass spectrometry (MS) may lead to interference or under-estimation due to the tendency of the N-oxides to lose oxygen. All the previous works focused only on the temperature of the heated parts (vaporizer and ion-transfer tube) of the mass spectrometer without investigating other parameters. This work is extended to the investigation of other parameters. METHODS : The behavior of N-oxides during atm. pressure chem. ionization (APCI) and electrospray ionization (ESI) has been investigated using MSn ion trap mass spectrometry. Different parameters were investigated to clarify the factors implicated in the deoxygenation process. The investigated parameters were vaporizer temperature (APCI), ion-transfer tube temperature, solvent type, and the flow rates of the sheath gas, auxiliary gas, sweep gas and mobile phase. RESULTS : The deoxygenation increased when the vaporizer temperature increased. The extent of the ‘thermally’ induced deoxygenation was inversely proportional to the ion-transfer tube temperature and auxiliary gas flow rate and in direct proportion to the mobile phase flow rate. Deoxygenation was not detected under MS/MS fragmentation and hence it is a non-collision-induced dissociation N-Oxides have the tendency to form abundant ‘non-classical’ dimers under ESI, which fragment via dehydration rather than giving their corresponding monomer. CONCLUSIONS : Deoxygenation is not solely a ‘classical’ thermal process but it is a thermal process that is solvent-mediated in the source. Deoxygenation was maximal with an APCI source while dimerization was predominant with an ESI source. Therefore, attention should be paid to these mol. changes in the mass spectrometer as well as to the choice of the ionization mode for N-oxides. Copyright © 2013 John Wiley & Sons, Ltd.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Tetrahedron: Asymmetry called The effect of vinyl esters on the enantioselectivity of the lipase-catalyzed transesterification of alcohols, Author is Kawasaki, M.; Goto, M.; Kawabata, S.; Kometani, T., which mentions a compound: 57825-30-6, SMILESS is CCC1=CC=C(CBr)C=C1, Molecular C9H11Br, HPLC of Formula: 57825-30-6.

The enantioselectivity of the lipase from Pseudomonas cepacia (PCL) in the transesterification of 2-phenyl-1-propanol (I) was studied using a series of vinyl 3-arylpropanoates as acyl donors. The most enantioselective transesterification reaction of the alc. was attained by using vinyl 3-(p-iodophenyl)- or 3-(p-trifluoromethylphenyl)propanoates, with enantiomer ratios, E, of 116 and 138, resp. Vinyl 3-phenylpropanoate was also effective for the resolution of 1 mediated by lipases from P. fluorescens and porcine pancreas and for the PCL-catalyzed transesterification of several 2-phenyl-1-alkanols. The enantiomeric resolution of I was practically carried out by the first enantioselective transesterification using PCL and vinyl 3-(p-iodophenyl)propanoate to afford (R)-I and then the enantioselective hydrolysis of the resultant ester to afford (S)-I.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Blue and white light electroluminescence in a multilayer OLED using a new aluminium complex, published in 2010-11-30, which mentions a compound: 1127-45-3, mainly applied to aluminum complex multilayer organic light emitting device electroluminescence property, Safety of 8-Hydroxyquinoline 1-oxide.

Synthesis, structure, optical absorption, emission and electroluminescence properties of a new blue emitting Al complex, namely, bis-(2-amino-8-hydroxyquinolinato), acetylacetonato Al(III) are reported. Multilayer OLED using the Al complex showed blue emission at 465 nm, maximum brightness of ∼425 cd/m2 and maximum current efficiency of 0·16 cd/A. Another multilayer OLED using the Al complex doped with phosphorescent Ir complex showed ‘white’ light emission, CIE coordinate (0·41, 0·35), maximum brightness of ∼970 cd/m2 and maximum current efficiency of 0·53 cd/A.

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Quinoxaline – Wikipedia,
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Tian, Yulin; Jin, Jing; Wang, Xiaojian; Hu, Jinping; Xiao, Qiong; Zhou, Wanqi; Chen, Xiaoguang; Yin, Dali published an article about the compound: 1-(Bromomethyl)-4-ethylbenzene( cas:57825-30-6,SMILESS:CCC1=CC=C(CBr)C=C1 ).Recommanded Product: 57825-30-6. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:57825-30-6) through the article.

We have discovered a series of triazole/oxazole-containing 2-substituted 2-aminopropane-1,3-diol derivatives as potent and selective S1P1 agonists (prodrugs) based on pharmacophore-guided rational design. Most compounds showed high affinity and selectivity for S1P1 receptor. Compounds 19b, 19d and 19p displayed clear dose responsiveness in the lymphocyte reduction model when administered orally at doses of 0.3, 1.0, 3.0 mg/kg with reduced effect on heart rate. These three compounds were also identified to have favorable pharmacokinetic properties.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Quinoline-5,8-quinones》. Authors are Petrow, Vladimir; Sturgeon, Bennett.The article about the compound:8-Hydroxyquinoline 1-oxidecas:1127-45-3,SMILESS:OC1=CC=CC2=CC=C[N+]([O-])=C12).Computed Properties of C9H7NO2. Through the article, more information about this compound (cas:1127-45-3) is conveyed.

5-Amino-8-hydroxyquinoline sulfate (1 g.) in 10 mL. 10% H2SO4 and Na2Cr2O7 in H2O, the whole extracted with CHCl3, the CHCl3 extracts concentrated and the residue diluted with petr. ether gave 0.35 g. quinoline-5,8-quinone, light yellow needles, m. 129° (decomposition). 8-Hydroxy-5-nitrosoquinaldine (5.8 g.) in 100 mL. H2O and 6.3 g. NaOH treated with about 13 g. Na2S2O4 (I) and neutralized with AcOH gave 5-amino-8-hydroxyquinaldine (II); II as above gave 2 g. quinaldine-5,8-quinone, yellow-green prisms, m. 145° (decomposition) (from EtOH-petr. ether). Similarly 8-hydroxy-5-nitroso-7-methylquinoline gave the amine (III), yellow prisms, m. 155° (decomposition) (from C6H6), and III gave the quinone, light yellow needles, m. 181-2° (from EtOH-petr. ether). A solution of PhN2Cl (from 7 g. PhNH2.HCl and 4 g. NaNO2) added during 20 min. at 0-3° to 8.5 g. 5-amino-O-methylquinoline in 50 mL. AcOH, 200 mL. H2O, and 25 g. AcONa gave 9 g. 5-amino-6-methyl-8-phenylazoquinoline-HCl (IV), red-brown plates, m. 216° (from EtOH-petr. ether). IV (12 g.), 60 cc. concentrated HCl, 50 mL. H2O, and 150 mL. EtOH refluxed 2.5 h. gave 7 g. HCl salt, m. 212° (from EtOH), of the 5-HO analog (V), fine red needles m. 177° (from EtOH). V (1.5 g.) in EtOH, Pd-C, and H gave 0.5 g. 8-amino-5-hydroxy-6-methylquinoline (VI), pale brown plates, m. 216° (from EtOH). VI gave 6-methylquinoline-5,8-quinone, yellow needles, m. 188° (from CHCl3-petr. ether). 2,6-Dimethylquinoline (3.0 g.) in 8,5 mL. cold concentrated H2SO4, treated with 1.5 mL. concentrated HNO3 in 2.0 mL. concentrated H2SO4 2 h. on the steam bath, and the whole poured into cold dilute aqueous NH3 gave 3.8 g. 2,6-dimethyl-5-nitroquinoline (VII), pale yellow prisms, m. 106° (from pert. ether). VII (2.5 g.), 25 mL. 80% EtOH, 1 mL. concentrated HCl, and 6 g. reduced Fe gave 2.0 g. 5-amino analog (VIII), green needles, m. 190° (from C6H6-petr. ether), and VIII as above gave 60% 2,6-dimethylquinoline-5,8-quinone (IX), yellow plates, m. 150°, also obtained via 5-amino-2,6-dimethyl-8-phenylazoquinoline-HCl, red plates with green reflex, m. 210°, and 5-hydroxy-2,6-dimethyl-8-phenylazoquinoline, dark red fluffy needles, m. 168° (from EtOH), and 8-amino-5-hydroxy-2,6-dimethylquinoline (X) (X was very sensitive to air oxidation and was used directly without purification). Finely powd. 8-hydroxy-5-nitrosoquinoline (3 g.) added to 9 mL. concentrated HNO3 and 6 mL. H2O and kept 1.25 h. at 17° gave a precipitate of 8-hydroxy-5-nitroquinoline-HNO3; the whole cooled to 0° made alk. with cold KOH solution, and the red K salt decomposed with AcOH gave 2.9 g. 8-hydroxy-5-nitroquinoline, yellow needles, m. 180° (from EtOH). Similarly, 8-hydroxy-5-nitrosoquinaldine gave 8-hydroxy-5-nitroquinaldine, silky yellow needles, m. 136° (from C6H6-petr. ether) (a small amount of 8-hydroxy-5,7-dinitroquinaldine, small yellow needles, m. above 300° was a byproduct). The following compounds were prepared by this general procedure: To 1 g. nitro compound in 300 mL. H2O and 0.9 g. KOH was added 1 mol. equivalent Br or iodine dissolved in KBr or KI, resp., and the whole stirred at room temperature 2 h. and acidified, giving 60-70% yield of the halogenated product (all derivatives recrystallized from EtOCH2CH2OH): 7-bromo-8-hydroxy-5-nitroquinoline (XI), red felted needles, m. 200°; 7-bromo-8-hydroxy-5-nitroquinaldine (XII), red plates, m. 265° (decomposition); and 8-hydroxy-7-iodo-5-nitroquinaldine (XIII), bright red plates, m. 244°. As above, with I, XI gave the amino compound (XIV), light brown needles, m. 184° (decomposition) (from EtOAc-petr. ether); XII gave the amino compound (XV), golden brown needles, m. 176° (decomposition); and XIII gave the amino compound (XVI), yellow needles, m. 162° (decomposition from Et2O-petr. ether). As above, with Na2Cr2O7 were prepared the following 5,8-quinones (all recrystallized from CHCl3-petr. ether): 7-bromoquinoline (from XIV), pale yellow needles, m. 182°; 7-bromoquinaldine (from XV), orange-yellow needles, m. 178°; 7-iodoquinoline (from XVI), unstable yellow-brown needles, m. 160° (decomposition); and 7-iodoquinaldine, yellow-brown needles, m. 160° (decomposition). 4-IC6H4NH2 (XVII) (42 g.), 70 g. dry glycerol, and 33 g. As2O5 heated to 120° 20 mL. concentrated H2SO4 added dropwise with stirring, and with the temperature kept at 120° the whole refluxed 4 h., 600 mL. H2O added, the mixture filtered, the filtrate made alk. with aqueous NH3, extracted with C6H6, the C6H6 extracts extracted with 6N HCl, the base liberated from the HCl extracts with NaOH, extracted with CHCl3 and the CHCl3 extracts concentrated and distilled gave 6-iodoquinoline (XVIII), b1 120° pale yellow prisms, m. 88° (from petr. ether). XVIII (1.5 g.), 4.5 mL. concentrated H2SO4, and 0.8 mL. concentrated HNO3 in 1 mL. concentrated H2SO4 heated 1 h. at 100° gave 1.5 g. 6-iodo-5-nitroquinoline, m. 163° (from C6H6). XVII (25 g.), 20 mL. concentrated HCl, and 20 mL. paraldehyde kept overnight, the whole refluxed 2 h., H2O added, the aqueous solution decanted from the resin (XIX), the XIX extracted twice with 2N HCl, the combined HCl solutions treated as above m the preparation of XVIII gave 5.9 g. 6-iodoquinaldine (XX), prisms, m. 112° (from petr. ether). As above XX gave 90% 6-iodo-5-nitroquinaldine (XXI), pale yellow needles, m. 146 ° (from EtOH). XXI (5 g.) and 25 g. PhNH2 heated 2 h. at 180°, AcONa solution added, the excess PhNH2 steam distilled, the residue extracted with C6H6, the C6H6 extracts percolated through Al2O3, and the C6H6 evaporated gave 6-anilino-5-nitroquinaldine, felted orange needles, m. 147-8° (from EtOH). XXI (2.5 g.), 7 g. reduced Fe, 20 mL. EtOH, and 5 drops concentrated HCl refluxed 2 h., the whole filtered, and the filtrate made alk. with aqueous NH3 gave 2 g. 5-amino-6-iodoquinaldine, golden plates, m. 206° (decomposition) (from C6H6-petr. ether). 8-Hydroxyquinoline (2 g.) in CHCl3 and 2 mol ethereal peroxyphthalic acid in Et2O kept overnight, the whole evaporated to dryness, and the residue triturated with aqueous NH3 gave 8-hydroxyquinoline N-oxide (XXII), golden yellow needles, m. 138°. XXII (3.2 g. in 400 mL. 0.2% NaOH and 5.1 g. iodine in KI gave 8-hydroxy-5(?)-iodoquinoline N-oxide, yellow needles, m. 169° (from C6H6). XXII (1.6 g.) in 10 mL. AcOH and 1 mL. concentrated HNO3 kept 1 h. at 20° gave a precipitate of the nitrate which, decomposed with KOH, yielded 8-hydroxy-5(?)-nitroquinoline N-oxide (XXIII), light brown powder, m. 217-18° (decomposition) (from alc.). XXIII and I as above gave the amine, orange-red needles, m. 213° (decomposition) (from C6H6). Quinoline-5,8-quinone (0.75 g.), 1.2 g. PhNH2, and 10 mL. EtOH refluxed 1 h. and the whole poured into dilute AcOH gave 6(7)-anilinoquinoline-5,8-quinone, scarlet needles, m. 213° (decomposition) (from C6H6petr. ether). 7-Bromoquinoline-5,8-quinone (0.1 g.), 0.053 g. PhNH2.HCl, 0.05 g. AcONa, and 5 mL. alc. refluxed 2 h., and the whole poured into H2O gave 0.1 g. 6-anilino-7-bromoquinoline-5,8-quinone, dark red prisms, m. 189° (decomposition). 8-Hydroxy-5-nitroquinoline (2 g.) in 20 mL. boiling EtOH with 2 mL. 36% HCHO and 2 mL. morpholine gave 2.3 g. 8-hydroxy-7-morpholinomethyl-5-nitroquinoline, yellow prisms (which rapidly discolor), m. 112° (decomposition).

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Quinoxaline – Wikipedia,
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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Chloro(1,5-cyclooctadiene)copper(I) dimer( cas:32717-95-6 ) is researched.Safety of Chloro(1,5-cyclooctadiene)copper(I) dimer.Havlin, Robert; McMahon, Michael; Srinivasan, Ranjani; Le, Hongbiao; Oldfield, Eric published the article 《Solid-State NMR and Density Functional Investigation of Carbon-13 Shielding Tensors in Metal-Olefin Complexes》 about this compound( cas:32717-95-6 ) in Journal of Physical Chemistry A. Keywords: carbon 13 shielding metal olefin complex; NMR carbon 13 shielding olefin complex; density functional NMR carbon 13 shielding. Let’s learn more about this compound (cas:32717-95-6).

The authors determined the principal elements of the chem. shift tensors for metal-olefin complexes: [Ag(cod)2]BF4 (cod = cis,cis-cycloocta-1,5-diene), [CuCl(cod)]2, PtCl2(cod), [RhCl(cod)]2, and K[PtCl3(C2H4)] using magic-angle sample spinning and a Bayesian probability method to deduce μ, ρ in the Herzfeld-Berger equations. These principal elements also were computed by using d. functional methods with two different types of functionals and partial geometry optimization. The overall slope and R2 values between the theor. and exptl. tensor elements are good, ranging from 1.06 to 1.16 for the slope (vs. the ideal value of 1) and 0.98-0.99 for the goodness of fit parameter R2 (vs. the ideal value of 1). The use of a hybrid functional results in a slightly worse slope, an effect which is largest for the compounds with the largest paramagnetic shifts. There are no particularly good correlations between C-C bond lengths, isotropic/anisotropic shift tensor elements or computed bond orders; however, the correlation between shielding and (Mulliken) charge of ∼-120 ppm/electron is consistent with previous exptl. estimates on olefins and aromatic compounds The orientations of the shielding tensor elements in the cod complexes change in a relatively continuous manner with increases in shielding (from d10 to d8 metals), with δ33 becoming highly rotated (37.5°) from the normal to the C:C bond axis in [RhCl(cod)]2. Overall, these results indicate that d. functional methods now permit the relatively accurate reproduction of metal-ligand shielding patterns in systems whose structures are known, which should facilitate their use in probing metal-ligand geometries in systems whose structures are less certain, such as in metalloproteins.

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Application In Synthesis of Nickel(ii)fluoridetetrahydrate. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Nickel(ii)fluoridetetrahydrate, is researched, Molecular F2H8NiO4, CAS is 13940-83-5, about Parameters of dosimetric interest of some vanadium and nickel compounds. Author is Singh, Tejbir; Kaur, Paramjeet; Singh, Parjit S..

Mass attenuation coefficients (μm), effective at. numbers (Zeff) and electron densities (Nel) of some V compounds V2O3, VO2, VF3, VF4, NH4VO3 and Ni compounds NiF2, NiCl2, NiCl2.6H2O, Ni(ClO4)2.6H2O, NiF2.4H2O have been computed over a wide energy region from 10 keV to 100 GeV. In all the parameters, a similar trend is observed All the parameters initially possesses maximum values, which decreases very rapidly upto 100 keV, then becomes almost constant upto 3 MeV and with the further increase in the incident photon energy beyond 3 MeV, values of all the parameters also increase which may be due to dominance of different partial photon interaction process in different energy regions.

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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider

Related Products of 57825-30-6. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 1-(Bromomethyl)-4-ethylbenzene, is researched, Molecular C9H11Br, CAS is 57825-30-6, about Discovery of Orally Available Runt-Related Transcription Factor 3 (RUNX3) Modulators for Anticancer Chemotherapy by Epigenetic Activation and Protein Stabilization. Author is Yang, Jee Sun; Lee, Chulho; Cho, Misun; Kim, Hyuntae; Kim, Jae Hyun; Choi, Seonghwi; Oh, Soo Jin; Kang, Jong Soon; Jeong, Jin-Hyun; Kim, Hyun-Jung; Han, Gyoonhee.

Recently, the authors identified a novel strategy for anticancer chemotherapy by restoring runt-related transcription factor 3 (RUNX3) levels via lactam-based histone deacetylase (HDAC) inhibitors that stabilize RUNX3. Described here are the synthesis, biol. evaluation, and pharmacokinetic evaluation of new synthetic small mols. based on pyridone-based HDAC inhibitors that specifically stabilize RUNX3 by acetylation and regulate its function. Many of the newly synthesized compounds showed favorable RUNX activities, HDAC inhibitory activities, and inhibitory activities on the growth of human cancer cell lines. Notably, one of these new derivatives, I , significantly restored RUNX3 in a dose-dependent manner and showed high metabolic stability, a good pharmacokinetic profile with high oral bioavailability and long half-life, and strong antitumor activity. This study suggests that pyridone-based analogs modulate RUNX3 activity through epigenetic regulation as well as strong transcriptional and post-translational regulation of RUNX3 and could be potential clin. candidates as orally available RUNX3 modulators for the treatment of cancer.

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Quinoxaline – Wikipedia,
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Formula: C16H16Cl2Cu2. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Chloro(1,5-cyclooctadiene)copper(I) dimer, is researched, Molecular C16H16Cl2Cu2, CAS is 32717-95-6, about Chemistry of copper(I) β-diketonate complexes. VI. Synthesis, characterization and chemical vapor deposition of 2,2-dimethyl-6,6,7,7,8,8,8-heptafluoro-3,5-octanedione (fod) copper(I) (fod)CuL complexes and the solid state structure of (fod)Cu(PMe3). Author is Chi, K. M.; Corbitt, T. S.; Hampden-Smith, M. J.; Kodas, T. T.; Duesler, E. N..

A series of copper(I) compounds of the general formula (fod)CuL, where fod = 2,2-dimethyl-6,6,7,7,8,8,8-heptafluoro-3,5-octanedione, and L = PMe3, PEt3, 1,5-cyclooctadiene (1,5-COD), vinyltrimethylsilane (VTMS), 2-butyne, bis(trimethylsilyl)acetylene (BTMSA), have been prepared by the reaction of Na[fod] with CuCl in the presence of the appropriate amount of the Lewis base, L. All the compounds were characterized by elemental anal., 1H, 13C, 19F, 31P and IR spectroscopies. The spectroscopic data are consistent with the chelation of the β-diketonate ligand through its oxygen atoms to the copper(I) center. The anal. data are consistent with the empirical formula (fod)CuL. One compound, (fod)CuPMe3, was characterized in the solid-state by single-crystal x-ray diffraction which confirmed the empirical formula and revealed the monomeric nature of this species in the solid state. The distorted trigonal planar coordination environment observed for this species is common to these species. The Cu-O distances are significantly different within the limits of error on the data possibly as a result of inductive effects of the different β-diketonate substituents. Hot- and cold-wall chem. vapor deposition experiments revealed that these species are generally not suitable as precursors for the deposition of copper due to their low thermal stability. While pure copper films could be deposited, as determined by Auger electron spectroscopy, from the compounds (fod)CuL, where L = PMe3, 2-butyne and BTMSA, heating the precursors to increase their vapor pressures resulted in significant thermal decomposition in the source reservoir. As a result, deposition rates of only 100 Å/min were achieved. No selectivity was observed on W vs. SiO2 substrates under the conditions employed. The other compounds, (fod)CuL, where L = 1,5-COD, VTMS, were too thermally unstable for CVD experiments

From this literature《Chemistry of copper(I) β-diketonate complexes. VI. Synthesis, characterization and chemical vapor deposition of 2,2-dimethyl-6,6,7,7,8,8,8-heptafluoro-3,5-octanedione (fod) copper(I) (fod)CuL complexes and the solid state structure of (fod)Cu(PMe3)》,we know some information about this compound(32717-95-6)Formula: C16H16Cl2Cu2, but this is not all information, there are many literatures related to this compound(32717-95-6).

Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider