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1 ing activities against DPPH radical and ABTS radical cation.
2 on of the electrogenerated radical anion and radical cation.
3 -electron acceptor to destabilize the aminyl radical cation.
4 xanthin and lutein and on the formation of a radical cation.
5 7(*+) and trapping of the resulting distonic radical cation.
6 o to improved stability of the corresponding radical cation.
7 e anodic pulse due to the instability of the radical cation.
8 oposed to be electrolyzed byproduct from the radical cation.
9 P-BIPY(2+) unit is reduced to its P-BIPY(*+) radical cation.
10 ell as by deprotonation of the corresponding radical cation.
11 hat are common in crystals of other viologen radical cations.
12 d on the design of nanoparticles with stable radical cations.
13 es via the mesolytic cleavage of alkoxyamine radical cations.
14 al-pairing interactions between the BIPY(.+) radical cations.
15 ocess occurring in aryl tert-butyl sulfoxide radical cations.
16 onably due to a deprotonation of the sulfide radical cations.
17 h the phenyl ring and the sulfur atom of the radical cations.
18 spin densities (polarons) on molecular wire radical cations.
19 CH(3)(*), or even C(7)H(7)(*) giving stable radical cations.
20 lectron oxidation, forming the corresponding radical cations.
21 that is, by increasing the stability of the radical cations.
22 aldehyde and 2'-arylacetophenone oxime ether radical cations.
23 chlorobenzene, shifted the ionization toward radical cations.
24 e recognition motif associated with viologen radical cations.
25 , all triradicals produce very abundant DMDS radical cations.
26 to stable diaminocyclopropenium oxyl (DACO) radical cations.
27 he resonance stabilization of the coreleased radical-cations.
29 in reaction, the oxidation of CPA 1 to amine radical cation 1(+*) by product radical cation 3(+*) (ge
31 s deriving from the C-S bond cleavage in the radical cations 1(*+)-5(*+) have been observed in the st
32 s deriving from the C-S bond cleavage in the radical cations 1(+*)-4(+*) have been observed in the st
33 rom alpha-C-S and alpha-C-H fragmentation of radical cations 1(+*)-4(+*), formed besides the S-oxidat
36 discovered an electronically stabilized pai-radical cation [10(OTf)] that shows multiple intermolecu
37 ve generated two persistent pyridyl-appended radical cations: 10-(pyrid-2-yl)-10H-phenothiazinium (PP
38 rived from Calpha-S fragmentation of sulfide radical cations (2-phenyl-2-propanol and diaryl disulfid
39 the dimer of the 1,2,4-trithia-3,5-diazolyl radical cation (26a(2+)), and its Selena congeners and d
40 A 1 to amine radical cation 1(+*) by product radical cation 3(+*) (generated using online electrochem
41 bpz)3(+), and the [3 + 2] annulation product radical cation 3(+*) are all successfully detected and c
42 zation of a N-substituted, bisphenalenyl pai-radical cation [3(OTf)] that shows antiambipolar charge
43 N,N,N-trimethylammonium)methyl phenylperoxyl radical cation (4-Me3N([+])CH2-C6H4OO(*)), using linear
45 bis(3-ethylbenzothiazoline-6-sulphonic acid) radical cation (ABTS(+)), and the TBARS system based on
48 resolved LFP showed first-order decay of the radical cations accompanied by formation of the tripheny
50 ddition of a catalytically generated enamine radical cation across a pendent olefin serves to establi
51 chanism: the transiently generated carbazole radical cation acts as an oxidant to return the photocat
52 at results in both cases (in the form of its radical cation after ionization) was characterized by it
56 specific orientation of the sulfur-centered radical cation and a phenyl ring stabilized by the fibri
58 , showed the evolution of characteristic PTZ radical cation and ANQ radical anion features upon excit
60 elicene, while the inversion barriers in its radical cation and diradical dication were predicted by
61 significantly increased the lifetime of the radical cation and had a substantial effect on the profi
62 ducts in 67-89% yields via the corresponding radical cation and iminium ion intermediates, the reacti
63 erein olefin addition to a transient enamine radical cation and oxidation of the resulting radical fu
64 rty of being able to recognize both BIPY(*+) radical cation and pi-electron-rich guests simultaneousl
65 ls when fixing the substrate to generate the radical cation and scanning the tip to generate the radi
66 ntermediates, reactive pathways of the amine radical cation and the influence of oxygen and the light
68 way of producing highly stabilized BIPY(*+) radical cations and open up more opportunities to use st
69 e Ru-CO bands upon stepwise oxidation to the radical cations and the dications and was found to be re
72 probe the first two electronic states of the radical cation, and resolve the vibrational fine structu
73 ioxidant activities (AA) using ABTS and DPPH radicals cation, and ferric reducing/antioxidant power (
76 neither one-photon ionization nor long-lived radical cations are detected for the telomere repeat TTA
79 tion reveals that once converted to the aryl radical cation, aryl triflate would be more favorable to
80 ts along with a 4,4'-bipyridinium (BIPY(*+)) radical cation as three very different potential recogni
81 sing the fragmentation rate constants of the radical cations as indicated by a laser flash photolysis
85 1 leads to the disappearance of the polaron (radical cation) band at >900 nm and an increase in the b
86 y roles of oxygen in photoredox catalysis of radical cation based Diels-Alder cycloadditions mediated
87 d coronenes, HTCGemini easily forms a stable radical cation, both in solution and in the bulk, upon o
90 )Co(II) (ONNO.BF(3) ), and the porphyrin pai-radical cation by-product of this reaction, and that the
91 Herein we report a paramagnetic beryllium radical cation, [(CAAC)(2)Be](+*) (2) [CAAC = cyclic (al
92 To a first approximation, the glycerol dimer radical cation can be described as a monomeric glycerol
96 ilylate directly from such states of radical/radical cation character and yield the corresponding DHT
97 s proposed that the G(-H)(*) radicals retain radical cation character by sharing the N1-proton with t
98 ation of a high-valent diiron phthalocyanine radical cation complex with fluoride axial ligands, [(Pc
99 ction reactions by a) an oxoferryl porphyrin radical-cation complex [Por(.+) Fe(IV) (O)L(ax) ] and b)
101 cal tetraalkyl tetrazetidinetetracarboxylate radical cation, containing the elusive cyclic N(4) ring
102 ow that the C-C sigma bonding orbital of the radical cation contains only a single electron, giving r
103 s well as the thermodynamics and kinetics of radical cation cyclization, we provide an explanation fo
107 mixture of a disubstituted 4,4'-bipyridinium radical cation (DB(*+)) and an asymmetric cyclophane bis
108 voltammetry (CV), antioxidant capacity (ABTS radical cation decolorization assay and FRAP as Ferric R
109 antioxidant activities were measured by ABTS radical cation decolorization assay, varying from 17.5 t
110 d-state anthracenes and ground state aminium radical cations, define a single Marcus parabola in each
114 l that the rate constant for ring opening of radical cations derived from 1'-methyl-3',4'-dihydro-1'H
115 The redox properties and the stability of radical cations derived from the catalysts were evaluate
116 tabilized by interacting with a bipyridinium radical cation, despite the presence of Coulombic repuls
117 nts showed an efficient formation of sulfide radical cations, detected in their dimeric form [(4-X-C6
119 e neutral state and in the oxidized species (radical cations, dications and radical trications) has b
121 polypyridyl complexes promote the efficient radical cation Diels-Alder cycloaddition of electron-ric
123 undamental understanding of the mechanism of radical cation dimer formation between constitutionally
124 butadiyne group, the distribution of the TTF radical-cation dimer can be changed from 60% to 100%.
127 c content, antioxidant capacity towards ABTS radical cation, DPPH and hydroxyl radicals as well as re
128 the formation of a sulfur thereforepi-bonded radical cation due to the methionine-phenylalanine inter
130 nciples quantum calculations reveal that the radical cation (electron hole) generated by DNA oxidatio
131 nvolves photoionization and deprotonation of radical cation, followed by homolytic cleavage of the al
132 By analyzing the DeltaG(PET) associated with radical cation formation as well as the thermodynamics a
133 y-product of this reaction, and that the pai-radical cation formation likely occurs at the hyponitrit
136 e charge transfer bands in the mixed valence radical cations formed by one-electron oxidation, indica
137 ive hydrated electrons by stabilizing indole radical cations formed upon photolysis, and prevents the
138 ds initially to the formation of the guanine radical cation G(*+), its deptotonation product G(-H)(*)
139 mechanistic aspects of hydration of guanine radical cations, G(*+) in double- and single-stranded ol
140 n of two radical species, namely, the phenol radical cation generated directly by the laccase and the
141 ane, cyclobis(paraquat-p-phenylene), and the radical cation generated on reduction of a viologen disu
147 lly, a mechanism that involves the carbazole radical cation has been traced (evidenced) and proposed
150 , wherein the electron travels to a proximal radical cation in concert with proton transfer to a weak
152 ion can be described as a monomeric glycerol radical cation in the presence of a spectator glycerol,
153 is attributed to partial desolvation of the radical cation in the product encounter pair (P(*)/D(*+)
154 e effect in which the spin and charge of the radical cation in the ring-closed form is delocalized in
155 thraquinone radical anion and a triarylamine radical cation in three homologous series of rigid-rod-l
156 aromatics (benzenes and biphenyls) and their radical cations in acetonitrile follows a Sandros-Boltzm
159 d mass spectrometry reveal that the BIPY(*+) radical cations in this series of [2]rotaxanes are stabi
160 es more reversible, and the stability of the radical cations increases as the conjugation of the subs
161 the ionization, with the relative amount of radical cations increasing from CO(2), to N(2), to air.
162 njection of holes, i.e. formation of the TPP radical cation, inside the junction was monitored by in
163 ons provide a means for rapidly trapping the radical cation intermediate in a manner that avoids comp
164 and a butylated hydroxytoluene-trapped aryl radical cation intermediate in high-resolution mass spec
165 ond formation proceeds through a key aminium radical cation intermediate that is generated via electr
166 highly reactive AaeAPO oxoiron(IV) porphyrin radical cation intermediate that is the active oxygen sp
170 vealed the structures and stabilities of the radical cation intermediates as well as the reaction ene
171 cases, the spin density maps of the aromatic radical cation intermediates calculated at the DFT UB3LY
173 er may result in the formation of N-centered radical cation intermediates, which could lead to the ob
174 propanes are readily converted into reactive radical cation intermediates, which in turn participate
176 examine how the properties of photogenerated radical cations, intrinsic to TPA macrocycles, are alter
177 we present the detection of transient amine radical cations involved in the intermolecular [3 + 2] a
179 ieties are nearly perpendicular, whereas the radical cation is present in two stable planar conformat
180 is produced in as high as 70% yield when the radical cation is produced in the presence of excess thi
183 rted charge distribution (T radical anion, A radical cation), is not able to repair the CPD lesion.
184 ing reaction, both in the neutral and in the radical cation, is discussed on the basis of calculation
186 from the fragmentation rate constants of the radical cations (kf) and the S oxidation/fragmentation p
189 alogs (~9 x 10(8) to 4 x 10(9) M(-1) s(-1)), radical cation lifetimes of CPA and its analogs (140-580
190 at the primary fragmentation of the glycerol radical cation (m/z 92) occurs only via two routes.
191 indicate comparable detection limits for the radical cations [M(*+)] and negative pseudomolecular ion
194 e cannot distinguish between arenium ion and radical cation mechanisms for the cyclization steps.
196 ationic redox state with the methyl viologen radical cation (MV(*+)) to give a 1:1 inclusion complex.
197 energy levels of the corresponding phosphine radical cations obtained by density functional theory co
198 s transfer to an added chemical oxidant, the radical cation of 2,2'-azino-bis(3-ethylbenzothiazoline-
201 formed between the CBPQT(2(*+)) ring and the radical cation of methyl-phenylene-viologen (MPV(*+)).
203 ly developed approach based on observing the radical cation of N,N,N',N'-tetramethyl-p-phenylenediami
204 TMPyP(4+) which reduces the enzyme to form a radical cation of the porphyrin with a k(ET) approximate
205 ot found to prevent the reaction between the radical cation of the probe and the superoxide, but it s
215 d are often converted to their corresponding radical cations or radical anions via electron abstracti
217 2N as Rh2(II,II) with a coordinated nitrene radical cation, (pi*)(4)(delta*)(2)(pi(nitrene,1))(1)(pi
219 e approach reveals that an important part of radical cation population survives up to a few milliseco
220 n survives up to a few milliseconds, whereas radical cations produced by chemical oxidants in various
223 the 1,4-dimethoxyphenylene and bipyridinium radical cations, providing new opportunities for the man
224 e their rate of oxidation by (3)CDOM* due to radical cation quenching (i.e., aniline(*+) -> aniline)
225 er these conditions, transient phosphoniumyl radical cations (R3P(*+)) are formed, and computational
226 Opportunities to further accelerate the radical-cation reaction are revealed by computational as
229 The einkorn malts had high DPPH and ABTS radical cation scavenging activities, but the phenolic c
230 elline A (6), from this plant, revealed ABTS radical cation scavenging activity and 5 displayed an in
231 re evaluated for their DPPH radical and ABTS radical cation scavenging activity, ferric reduction cap
233 the ancillary dtb-bpy ligand, where the TEA radical cation serves as an effective hydrogen atom dono
237 on 3(2+) has similar energy to two [PMe3](+) radical cations, so that it is the lattice enthalpy of 3
238 lt of a change in charge distribution in the radical cation species with strongly electron-donating s
239 tions and simulations were consistent with a radical cation species, but not a radical anion or radic
240 lowed by mesolytic cleavage of the resulting radical cation species, which leads to the generation of
241 zation and sensitized photooxidation to form radical cation species, which then likely deprotonate an
244 ow cross-conjugation can be used to tune the radical cation state independent of the neutral state.
245 jugation the electronic energy levels of the radical cation state may be controllably tuned independe
246 tectons from their dicationic state to their radical cation state, the driving force of the disassemb
247 other isomers, the meta-cation has a radical/radical cation structure in both spin states and thus tw
248 es as well as the corresponding reactions of radical-cation substrates generated under photoredox con
250 on of the alkene to the corresponding alkene radical cation that gets trapped by an N-nucleophile and
251 inic acid and ionization to diphenyl sulfide radical cation that in turn led to diphenyl sulfoxide.
252 O(2) to the superoxide ion and the TPrAH(*+) radical cation that oxidizes this species to singlet O(2
253 Waals complexes of the oligomers with their radical cations that are models for the self-assembly of
254 -electron oxidant capable of generating base radical cations that can migrate over long distances in
255 ctron transfer, these donors form persistent radical cations that trap substrate-derived radicals.
256 luxing toluene engenders a contact ion-pair (radical cation) that leads, in the first instance, to th
257 ediamine (DMPD) probe to the colored DMPD(+) radical cation, the optical absorbance of which was meas
258 l the BIPY(2+) units are reduced to BIPY(*+) radical cations, the resulting CBPQT(2(*+)) diradical di
259 s and the stability of the resulting nitroso radical cations, the structures of which are determined
260 ine the bond dissociation free energy in the radical cations, the transition state energies associate
261 atom transfer with the quinuclidine-derived radical cation through polarity-matching and/or ion-pair
262 s delocalized in the tert-butyl group of the radical cations, thus explaining the small substituent e
264 initiates the proton movement from the 1-OH radical cation to a solvent water molecule in ~890 fs, f
265 species reduces the Diels-Alder cycloadduct radical cation to the final product and reforms oxygen.
266 Addition of hindered phenols causes the radical cations to decay, and protonated products and th
267 s deriving from the C-S fragmentation in the radical cations, together with sulfur-containing product
268 he reactivity of electrochemically generated radical cations toward alcohol and p-toluene sulfonamide
269 Manipulating the oscillator strengths of radical cation transitions allows for tuning of the colo
270 photolysis and reaction with (3)DOM form Trp radical cation (Trp(*+)) via Trp photoionization and dir
272 first example of the use of the chemistry of radical cations under nonoxidative conditions in total s
274 ron transfer (SET) because the corresponding radical cation undergoes cyclopropane ring opening with
275 cyclization of 2'-alkynylacetophenone oxime radical cations using photoinduced electron transfer (PE
276 intervalence charge-transfer bands of these radical cations vary from weak broad Gaussians, indicati
277 nated cyclotide cations are transformed into radical cations via ion/ion reaction with the sulfate ra
278 uted enhancement due to a positively charged radical cation was in agreement with the measured work f
279 ger delay times, the absorption of the dimer radical cation was replaced by an absorption band assign
280 ssentially complete by eight hours, and this radical cation was stable for at least 6 days; at room t
281 is extremely fast, and the decay of dithiane radical cations was not affected by the presence of wate
285 analyte ions were detected in ESI-only mode, radical cations were detected in APCI-only mode, and bot
288 um cations (distonic isomers of the pyridine radical cation) were generated by ultraviolet photolysis
289 rm an elusive bis(silylene)-stabilized Si(I) radical cation which undergoes homocoupling to the corre
290 r, neutral formaldehyde, and a vinyl alcohol radical cation, which exhibits a binding energy of appro
291 idizes the sulfide to form the corresponding radical cation, which is eventually oxidized by 2 to the
292 onitored by transient absorption of the wire radical cation, which is given by bands in the 500 to 60
293 n transfer from a neutral chain, to generate radical cations, which are stabilized by the pendant sul
295 neration, in the MIM-precursors, of BIPY(.+) radical cations, while the metal itself, which is oxidiz
299 onding calculations indicate phenothiazinium radical cations with minimal spin on the pyridine nitrog
300 (2+) ions upon UV irradiation to form MV(+*) radical cations within the crystal structure with half-l