Substituted alkenes with electron donor groups
Kinetic study of the photo-induced copolymerization of N-substituted maleimides with electron donor monomers
... 4. Conclusion N-substituted alkyl maleimides undergo an easy copoly- merization when they are exposed to u.v.-radiation in the presence of electron donor monomers, such as vinyl ethers, N-vinyl ...
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DFT and TDDFT investigations of new thienopyrazine based dyes for solar cells: Effects of electron donor groups
... 3.2. Frontier molecular orbitals The frontier molecular orbital (FMO) contribution is very important in determining the charge-separated states of the studied molecules because the relative ordering of occupied and ...
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Electron Donating Groups Examples
... some electron donating groups activate the mechanisms are responsible for this investigation by giving more substituted ...donating groups examples of the electron density of other ...
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Ultrafast photoinduced charge transport in Pt(II) donor-acceptor assembly bearing naphthalimide electron acceptor and phenothiazine electron donor
... in donor–acceptor separation for the two PTZ groups would lead to two distinct charge recombi- nation ...The donor–acceptor separation in 1 is somewhat too large for an efficient overlap, however ...
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Donor-Acceptor Substituted Benzo-, Naphtho- and Phenanthro-Fused Norbornadienes
... 3. Discussion We have in this work shown that the previously one-pot procedure for functionalization of norbornadiene at one double bond can conveniently be expanded to benzo-, naphtho- and phenanthro-fused ...
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Activation of Electron-Deficient Quinones Through Hydrogen-Bond-Donor-Coupled Electron Transfer
... functional groups on the glassy carbon surface can interact with the quinone and lead to formation of this extra ...functional groups may be present under our experimental ...
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Second Harmonic Generation in Some Donor Acceptor Substituted Chalcone Derivatives
... Chalcones are cross-conjugated molecules, and the car- bonyl group in these systems breaks the conjugation sys- tem into two independent parts to have a two dimen- sional β character. In the molecular structure of MCC, ...
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Synthesis and Characterization of Coloumnar Mesophases of Novel Substituted Dibenzanthracenes and Their Donor-Acceptor Mixtures
... 3.5 Summary A modular synthesis of a series of novel N-substituted 2,3,6,7-tetrakis(alkyloxy)- 11,12-dibenz[a,c]anthracenedicarboximides (22a-f) has been reported. All six derivatives display broad columnar phases ...
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Electro oxidation of substituted electron–donating benzylic alcohols in a biphasic medium
... Electron–donating substituents like methyl and methoxy groups (entries 2, 3) on phenyl ring have resulted in good yields to the substituted benzaldehyde with 1.5 to 2.0 F/ mol of current. Biphasic ...
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KOtBu as a single electron donor? Revisiting the halogenation of alkanes with CBr4 and CCl4
... of electron-withdrawing aryl groups would render it more electron-rich, and, therefore, it might be a better candidate than the other alkoxides to undergo electron ...
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A novel neutral organic electron donor with record half-wave potential
... 4 | Journal Name , [year], [vol], 00–00 This journal is © The Royal Society of Chemistry [year] of the configurational isomers are very high relative to 26, (density functional calculations using the B3LYP 6-31G* ...
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Synthesis of Unsymmetrical meso Substituted Porphyrins, 1 5,15 A2B2 and 5,15 A2BC Type Porphyrins with Donor and Acceptor Groups for Use in Nonlinear Optics and Photodynamic Therapy
... differently substituted porphycenes the tautomerization in S 0 is about an order of magnitude faster than in S 1 , due to the expansion of the inner cavity upon excitation, leading to a weaker HB and thus a higher ...
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Pushing the limits of neutral organic electron donors : A tetra(iminophosphorano)-substituted bispyridinylidene
... iminophosphorano groups being more powerful in this regard than typical amino ...iminophosphorano groups onto the bispyridinylidene skeleton, as in donor 1, which provides potentials reaching ...
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A theoretical study of the interactions of NF3 with neutral ambidentate electron donor and acceptor molecule
... this electron deficient region is associated to the N lone pair (s-hole LPN ) and, even though small, it is clearly observed in the electrostatic potential computed on the electron density map ...with ...
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A study of diketopiperazines as electron-donor initiators in transition metal-free haloarene-arene coupling
... a Isolated yield In the particular case of 3-bromoanisole 34, very low yields of the coupling product with benzene were found, no matter which DKP was used. Instead, we found a selective formation of ...
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Effect of Electron Donor on PE Polymerization
... Particle size distribution analysis was performed by laser light scattering (Malvern mastersizer microplus). The morphology of the polymeric samples was examined on the surfaces of samples freeze- fractured in liquid ...
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Efficient preparation of TMSCCl2Br and its use in dichlorocyclopropanation of electron deficient alkenes
... such alkenes with TMSCCl 2 Br is the nitronate 6 which can either close to the cyclopropane, disproportionate to the 1,4-addition and elimination products, or suffer other related ...from electron deficient ...
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Studies of the coordination behavior of substituted nitrogen donor ligands
... A STUDY OF ASPECTS OF THE CHEMISTRY OF o-PHENANTHROLINE COMPLEXES.. It coordinates as a bidentate ligand to a wide range of metal ions, often forming stable compl[r] ...
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Solvent-free, catalyst-free Michael-type addition of amines to electron-deficient alkenes
... A variety of amines undergo Michael-type additions to α,β-unsaturated nitriles, carboxylic ester and ketones in a neat mixture without any solvent and catalyst to produce the corresponding β- amino derivatives in ...
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Alkenes & Alkynes_Chemistry
... However the rate of electrophilic addition in acetylene is rather show than that of ethene inspite of the fact that alkynes has excess of electron. This fact is also supported than in many of electrophilic ...
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