ライフサイエンスコーパス: hydroxylamine

1 of nitrite and the two-electron reduction of hydroxylamine.

2 the subsequent reactivity of the respective hydroxylamine.

3 n ammonia oxidation by converting ammonia to hydroxylamine.

4 unique catalytic motif for glycosylation of hydroxylamine.

5 lly converted into imino nitroxide and imino hydroxylamine.

6 e two-electron oxidation of the amine to the hydroxylamine.

7 r 5-20 min with the appropriate hydrazine or hydroxylamine.

8 uction of nitrite or incomplete oxidation of hydroxylamine.

9 activity of the retinal-opsin Schiff base to hydroxylamine.

10 The protein can catalyze the oxidation of hydroxylamine.

11 capacity, and this effect can be reversed by hydroxylamine.

12 s can stabilize nitroxide and/or destabilize hydroxylamine.

13 oposed intermediate in that process, namely, hydroxylamine.

14 anoparticles' surface by transimination with hydroxylamine.

15 by the N-O bond cleavage of a functionalized hydroxylamine.

16 is that uses a novel pathway to make NO from hydroxylamine.

17 in situ deprotection of O-Ts activated N-Boc hydroxylamines.

18 ar conditions for both N-H and N-substituted hydroxylamines.

19 ped using diethoxymethylsilane and esters of hydroxylamines.

20 situ generation of the appropriate O-benzoyl hydroxylamines.

21 mproportionation with the nitronyl and imino hydroxylamines.

22 the conformational equilibria of substituted hydroxylamines.

23 chemoselective amide-forming reactions with hydroxylamines.

24 monstrated for delayed administration of the hydroxylamines.

25 atom transfer reagents such as N-oxides and hydroxylamines.

26 on of alpha-phosphonate zincates with O-acyl hydroxylamines.

27 bond dissociation energy (BDENO-H) of the N-hydroxylamines.

28 ied with biotin, dyes, aliphatic oximes, and hydroxylamines.

29 NaOH catalyzed rearrangement of propargylic hydroxylamines 1.

30 To overcome these difficulties, a cyclic hydroxylamine, 1-hydroxy-4-phosphonooxy-2,2,6,6-tetramet

31 2,4,6-tri-tert-butylphenoxyl radical and the hydroxylamine 2,2'-6,6'-tetramethyl-piperidin-1-ol.

32 um in the mixture of nitroxide and reference hydroxylamine (3-carboxy-1-hydroxy-2,2,5,5-tetramethylpy

33 and 39 from condensation of aldehyde 20 with hydroxylamine 36 underwent intramolecular dipolar cycloa

34 This reaction yields the hydroxylamine, 5, and does so without the intermediacy o

35 of O-acetoxy-N-(4-(benzothiazol-2-yl)phenyl)hydroxylamine 8, a model metabolite of 2-(4-aminophenyl)

36 are activated by CYP450 1A1, apparently into hydroxylamines 8a-g that are likely metabolized into est

37 y copolymerization with N,O-(dimethacryloyl) hydroxylamine, a cross-linker previously used in the pre

38 Hydroxylamine, a nitric-oxide donor, and 8-bromo-cGMP, a

39 Hydroxylamine, a potent nucleophilic cellular metabolite

40 Here, we explore hydroxylamine, a reactant rarely used to release nascent

41 The nucleophile hydroxylamine accelerates retinal release 80 times but t

42 UV-visible absorbance spectroscopy revealed hydroxylamine accessibility to the chromophore-binding p

43 esulfonyl)hydroxylamine or O-(p-nitrobenzoyl)hydroxylamine afforded N-aminooxazolidinones which were

44 nctionalized diarylzinc reagents with O-acyl hydroxylamines allows for the preparation of functionali

45 sterase-mimetic small molecule, N-tert-butyl-hydroxylamine, ameliorated the CD-processing defect.

46 ain cause was the formation and diffusion of hydroxylamine, an AOB nitrification intermediate, from t

47 sing 1 equiv of N-phenethyl-O-(4-nitrophenyl)hydroxylamine and 2 equiv of pyruvic acid in the presenc

48 influenced by the TS interaction between the hydroxylamine and alkyne.

49 ammonia and bromide due to the formation of hydroxylamine and brominated nitrogenous oxidants.

50 Hydroxylamine and hydroquinone were used to probe the ox

51 and on the p Ka values of the corresponding hydroxylamine and hydroxylammonium ions.

52 roxide is readily reduced by HNO to nitronyl hydroxylamine and is eventually converted into imino nit

53 molecular condensation between the resulting hydroxylamine and nitroso functional groups.

54 oxidation of aminoarenes to nitroarenes via hydroxylamine and nitroso intermediates.

55 ppressor mutations were identified following hydroxylamine and nitrosoguanidine mutagenesis.

56 e nitric oxide sensor to ammonia, hydrazine, hydroxylamine and nitrous acid.

57 Adding both hydroxylamine and RGS9d, a factor that accelerates trans

58 iometric measurements, and quantification of hydroxylamine and sodium nitrite as end reaction product

59 by ammonia-oxidizing bacteria (AOB) via the hydroxylamine and the nitrifier denitrification pathways

60 ccelerated separately and together by adding hydroxylamine and/or the regulator of G-protein signalin

61 Reduction of hydroxylamines and amidoximes is important for drug acti

62 ic acid systems, which react with both the N-hydroxylamines and N-benzoyloxyamines.

63 is broad in terms of both the N-substituted hydroxylamines and the beta-ketoesters.

64 provided for the involvement of 2,2,6,6-TMPi hydroxylamines and their one-electron oxidation products

65 gen-evolving complex of dark-adapted intact (hydroxylamine) and salt-washed (hydroquinone) photosyste

66 5-isoquinoline-sulfonamide (H8) blocks NECA, hydroxylamine, and 8-bromo-cGMP effects.

67 le extraction, precolumn derivatization with hydroxylamine, and LC-MS/MS analysis was validated with

68 a II decay, the reactivity of meta II toward hydroxylamine, and the rate of meta III formation in Gtg

69 s between nitrogen nucleophiles, enones, and hydroxylamines, and a solid-phase application of the Hui

70 rms of nitrogen such as amines, ammonia, and hydroxylamine; and (c) oxidized forms of nitrogen such a

71 of the Cys-palmitoyl thioester linkages with hydroxylamine; and (iii) labeling of thiols, newly expos

72 These oligomeric hydroxylamines are demonstrated to inhibit the staining

73 e reduced forms of cyclic nitroxides, cyclic hydroxylamines, are better reductants yet have no radiop

74 c assay for adenylation enzymes that employs hydroxylamine as a surrogate acceptor molecule, leading

75 Utilizing nitrite, nitric oxide, and hydroxylamine as molecular probes, we show that the acti

76 ode, a change in selectivity was observed to hydroxylamine as the dominant product.

77 To this end, we evaluated hydroxylamines as aldehyde-trapping agents in an in vitr

78 l arylamines using NH2/NH(alkyl)-O-(sulfonyl)hydroxylamines as aminating agents; the relatively weak

79 ons of diorganozinc reagents using O-benzoyl hydroxylamines as electrophilic nitrogen sources that ma

80 suppressed either by using a low pKa amine (hydroxylamine) as the acceptor or by performing reaction

81 Comparison of several hydroxylamine-based electrophilic ammonia equivalents in

82 Di- and trimeric hydroxylamine-based mimetics of beta-(1-->3)-glucans hav

83 nally, we resolved 5fC at base resolution by hydroxylamine-based protection from bisulfite-mediated d

84 We then coupled a hydroxylamine biotin to the pAcPhe-Fab and demonstrated

85 he stroma with 2,4-dinitrophenylhydrazide or hydroxylamine blocks essentially all corneal cross-linki

86 This adduct is sensitive to acid and hydroxylamine but resistant to alkali, consistent with a

87 tion of the tyrosine D radical is reduced by hydroxylamine, but a smaller population reacts with hydr

88 ction among Z-chlorooximes, isocyanides, and hydroxylamines by exploiting the preferential attack of

89 -aspartic acid (RGD) peptide to modify the O-hydroxylamines by oxime bond formation.

90 n the basis of the equilibration of O-sialyl hydroxylamines by reversible homolytic scission of the g

91 on the reduction of O-(1-acyloxy-omega-azido)hydroxylamines by triethylsilane in the presence of boro

92 s reaction yields the corresponding nitronyl hydroxylamine C-PTIO-H and NO, which is trapped by C-PTI

93 converting C-PTIO to the corresponding imino hydroxylamine, C-PTI-H.

94 malonohydroxamate, potentially derived from hydroxylamine capture of an enzyme-tethered acyl group.

95 Hydroxylamine cleaves the thioester adduct; substantial

96 The small hydroxylamine compound BGP-15 improved mitochondrial fun

97 natural ketone amino acid was labeled with a hydroxylamine-containing fluorophore with high yield (>9

98 Preliminary studies indicate that the new hydroxylamine-containing natural product derivatives hav

99 dition of hydrogen sulfide, water, methanol, hydroxylamine, cyanamide, hydrazine and methylhydrazine

100 In this reaction, a bench-stable hydroxylamine derivative is used as the amination reagen

101 ylcarbonylhydrazino d-biotin, a biotinylated hydroxylamine derivative that forms an oxime derivative

102 We found that a hydroxylamine derivative, N-(tert-Butyl) hydroxylamine (

103 nation reactions between N-Boc-O-(but-3-enyl)hydroxylamine derivatives and aryl or alkenyl bromides a

104 quence of O-trifluoromethylation of N-aryl-N-hydroxylamine derivatives and intramolecular OCF3 migrat

105 Lewis acid promoted deprotection of O-trityl hydroxylamine derivatives is described.

106 licable to the synthesis of a broad range of hydroxylamine derivatives, including N-hydroxy amides (h

107 ive addition of the appropriate hydrazine or hydroxylamine derivatives, respectively.

108 fication reactions of N-benzyl-N-(but-3-enyl)hydroxylamine derivatives.

109 Michael addition of a chiral hydroxylamine, derived from alpha-methylbenzylamine, to

110 Rhodium-catalyzed C-H insertion of hydroxylamine-derived sulfamate esters makes possible th

111 sociation energies (BDEs) of O-H bond in the hydroxylamines deriving from neutral and deprotonated fo

112 Hydroxylamine does not introduce large hydrophobic C-ter

113 to N-H aziridines using O-(2,4-dinitrophenyl)hydroxylamine (DPH) via homogeneous rhodium catalysis wi

114 ydes to nitriles using O-(diphenylphosphinyl)hydroxylamine (DPPH).

115 3-BPG to chemically trap the metabolite with hydroxylamine during metabolite isolation, enabling quan

116 he pAcPhe-Fabs were labeled by reaction with hydroxylamine dye and biotin species to produce well-def

117 ) (tpm = tris(pyrazol-1-yl)methane)) and the hydroxylamines (e.g., H(2)NOH and MeHNOH) and the methox

118 effects, above the background observed with hydroxylamine-EDTA-Mn2+ as a control, are observed for t

119 retinal Schiff base of xanthorhodopsin with hydroxylamine eliminates the induced CD bands of salinix

120 thyl acetohydroximate serves as an efficient hydroxylamine equivalent for C-O cross-coupling, thereby

121 dride catalysis and the well-explored use of hydroxylamine esters as electrophilic amine sources in r

122 oamination of 1,1-disubstituted alkenes with hydroxylamine esters in the presence of a hydrosilane.

123 Readily accessed allylic hydroxylamine esters undergo copper hydride-catalyzed in

124 tream of water (or a weak base, e.g., dilute hydroxylamine), flowing through the second, longer secti

125 te, and potential small nucleophiles such as hydroxylamine, fluoride, methanol, and trifluoromethanol

126 ment of the resulting crude 5'-aldehyde with hydroxylamine followed by deprotection gave L-adenosine

127 Treatment with 1 m hydroxylamine for 1 h removes the fatty acids from a maj

128 r coated with O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine for in situ derivatization of the 1,4-hydr

129 experimental conditions, the initial rate of hydroxylamine formation (RH) can provide an estimate of

130 its activation energy is higher because the hydroxylamine fragment must distort more before the TS i

131 Regeneration of the arginine residue using hydroxylamine fully restored the enhancing ability of DA

132 of the incorporated nonnative amino acid and hydroxylamine functionalized monomethyl auristatin D wit

133 hen specifically conjugated to hydrazide- or hydroxylamine-functionalized molecules.

134 is to the enol coumarin 17 and reaction with hydroxylamine gave the oximino coumarin 18.

135 nstrate that protonated electron-poor O-aryl hydroxylamines give aminium radicals in the presence of

136 0 mum), beta-cyanoalanine (BCA, 500 mum) and hydroxylamine (HA, 100 mum), altered the NPV to PGF2alph

137 mination of N-aryl benzamides with O-benzoyl hydroxylamines has been achieved with either Pd(II) or P

138 alladium-mediated cyclization of unsaturated hydroxylamine, has been developed to obtain isoxazolidin

139 vatives such as glycine ethyl ester and also hydroxylamine have been investigated.

140 tion of Fe(III) by addition of 2.0 mL of 10% hydroxylamine HCl, the system was applied to the total i

141 ibition of CBS activity by O-(Carboxymethyl) hydroxylamine hemihydrochloride (AOAA) significantly att

142 ght-membered ring amino-ketone to the unique hydroxylamine hemiketal ring system that is a distinctiv

143 tisation with O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine hydrochloride (PFBHA) or (in the case of M

144 lization to the corresponding pyridine using hydroxylamine hydrochloride.

145 pid scanning spectroscopy in the presence of hydroxylamine in highly purified wild-type and Gtgamma-d

146 suggests an unexpected and important role of hydroxylamine in N2O emission in biofilms.

147 ent linkage of the ligand can be attacked by hydroxylamine in the dark.

148 d-type proteins and more rapidly bleached by hydroxylamine in the dark.

149 Neutralization of 2 with 50 % hydroxylamine in varying molar ratios leads to the forma

150 genation/cyclization of N-sulfonyl-O-butenyl hydroxylamines in the presence of (2,2,6,6-tetramethylpi

151 The yield of the imino hydroxylamine increases at the expense of the imino nitr

152 copies during the HAO catalyzed oxidation of hydroxylamine, indicating that N-oxide intermediates pro

153 This compound must be metabolized into hydroxylamine intermediate for exhibiting antibacterial

154 nsformations are limited to formation of the hydroxylamine intermediates.

155 mediate; however, unlike wild-type TGT, only hydroxylamine is capable of cleaving the TGT(D264E).RNA

156 droxylation of olefins with a functionalized hydroxylamine is catalyzed by new iron(II) complexes.

157 Cope-type rearrangements of bis-homoallylic hydroxylamines is demonstrated using chiral thiourea der

158 ters 5 by reaction of dimethyl squarate with hydroxylamines is proposed.

159 boamination reactions of N-Boc-O-(but-3-enyl)hydroxylamines is significantly higher than that of rela

160 This strategy employs the alpha-ketoacid-hydroxylamine (KAHA) ligation in combination with a new

161 uring the plateau phase, while those for the hydroxylamine leaving group [(15)(V/K)(NH(2)OH)] were 1.

162 on replacement of the glycosidic bond by the hydroxylamine linkage.

163 ve handles (amine, thiol, thioester, ketone, hydroxylamine, maleimide, acrylate, azide, alkene, alkyn

164 of the corresponding reduced complex bearing hydroxylamine moieties.

165 n between 4-[(18)F]-fluorobenzaldehyde and a hydroxylamine moiety at the polyamide C terminus.

166 topoisomerase IIbeta cDNAs was generated by hydroxylamine mutagenesis and was transformed into the y

167 also given for the reversible formation of a hydroxylamine N-oxide when nitroxyls are oxidized in alk

168 In this model, the hydroxylamines N-benzylhydroxylamine, cyclohexylhydroxyl

169 nia, caffeine, methylamine, ethylenediamine, hydroxylamine, n-butylamine, adenosine, cytosine, guanin

170 erent functional groups, such as sulfoxides, hydroxylamines, N-oxides, anilines, phenol, an aliphatic

171 azolidinones revealed that O-(p-nitrobenzoyl)hydroxylamine (NbzONH(2)) and sodium hydride in dioxane

172 ch could be overcome by externally supplying hydroxylamine (NH(2)OH) as an electron donor.

173 trification), with a minor contribution from hydroxylamine (NH(2)OH) oxidation at the beginning of th

174 e presumptive product of the putative AMO is hydroxylamine (NH(2)OH), the absence of genes encoding a

175 oxidation intermediates nitric oxide (NO) or hydroxylamine (NH2OH) for N2O production have been indic

176 The proposed NO2(-) reduction intermediate hydroxylamine (NH2OH) is a nitrogenase substrate for whi

177 94 is one of 10 paralogs related to octaheme hydroxylamine (NH2OH) oxidoreductase (HAO).

178 ) as the terminal electron acceptor) and the hydroxylamine (NH2OH) pathway (N2O as a byproduct of inc

179 from the AOB Nitrosomonas europaea converts hydroxylamine (NH2OH) quantitatively to N2O under anaero

180 (NO2(-)) via a single obligate intermediate, hydroxylamine (NH2OH).

181 Studies were then undertaken to exploit the hydroxylamine/nitroso redox couple using LC-DED detectio

182 oxide, nitrogen dioxide, ammonia, hydrazine, hydroxylamine, nitrous acid, oxygen, and carbon dioxide)

183 on and tested for protection by N-tert-butyl hydroxylamine (NtBHA), a known mitochondrial antioxidant

184 t a hydroxylamine derivative, N-(tert-Butyl) hydroxylamine (NtBuHA), was non-toxic, cleaved thioester

185 with 18O exchange from the solvent into the hydroxylamine O.

186 iridination of olefins is reported that uses hydroxylamine-O-sulfonic acids as inexpensive, readily a

187 were isolated when O-tert-butyl protected N-hydroxylamines of glycine were employed in the reaction.

188 Treatment of the 5'-aldehyde with hydroxylamine or dibromomethylene- or cyanomethylene-sta

189 uent ATR dissociation, either by addition of hydroxylamine or introduction of mutations, further incr

190 re synthesized from CTCRI by the addition of hydroxylamine or methanol, respectively, to the 3-nitril

191 -2-oxazolidinones with O-(mesitylenesulfonyl)hydroxylamine or O-(p-nitrobenzoyl)hydroxylamine afforde

192 eadily prepared from the reaction of diverse hydroxylamines or hydrazines with reagent classes di(ben

193 sly observed in other esters of heterocyclic hydroxylamines or hydroxamic acids.

194 Both hydroxylamine oxidation and nitrifier denitrification co

195 The stimulation of N2O production from hydroxylamine oxidation at low O2 was unexpected and sug

196 In the anoxic regions, hydroxylamine oxidation by AOB provided reducing equival

197 gle-oxidation reactions and terminate in the hydroxylamine oxidation state.

198 Electrons generated as a result of hydroxylamine oxidation travel to heme 3 and heme 8, whi

199 N2O production by hydroxylamine oxidation was further stimulated by NH4(+)

200 the four electrons generated as a result of hydroxylamine oxidation, among the three enzyme subunits

201 An N-oxide fragmentation/hydroxylamine oxidation/intramolecular 1,3-dipolar cyclo

202 eme protein as found for HAO and HAO-related hydroxylamine-oxidizing enzyme kustc1061 from K. stuttga

203 otential relative to the homologous hemes of hydroxylamine oxidoreductase (HAO) and the split-Soret c

204 Within this model, the multiheme enzyme hydroxylamine oxidoreductase (HAO) catalyzes the four-el

205 Hydroxylamine oxidoreductase (HAO) from Nitrosomonas eur

206 ogous to those of the catalytic heme P460 of hydroxylamine oxidoreductase (HAO), the only known heme

207 unction as an electron-transfer protein from hydroxylamine oxidoreductase (HAO).

208 and of the titratable group pK(a) values, in hydroxylamine oxidoreductase (HAO).

209 ccelerated loss of ammonia monooxygenase and hydroxylamine oxidoreductase activities upon entering st

210 DPI does not affect hydroxylamine oxidoreductase activity and does not requi

211 recognizable ammonia-oxidizing bacteria-like hydroxylamine oxidoreductase complex necessitates either

212 ution and refinement and reassessment of the hydroxylamine oxidoreductase structure from Nitrosomonas

213 This new enzyme is related to octaheme hydroxylamine oxidoreductase, a key protein in aerobic a

214 AOB) (namely the AOB denitrification and the hydroxylamine pathways) and the N2O production pathway b

215 rivatized and O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine (PFBHA) oxime forms.

216 uminated homogenates with 11-cis-retinal and hydroxylamine prior to the AMP-PNP incubation and by mea

217 very small; comparative reactions of cyclic hydroxylamine probes indicated that virtually none of th

218 ding nitroso compounds and, subsequently, to hydroxylamine products.

219 is based on the discovery that N-(tert-butyl)hydroxylamine promotes indole modification with rhodium

220 o be near 4 x 10(6) M(-1) s(-1), whereas the hydroxylamine reacted at least 50 times slower, if at al

221 -L-phenylalanine (p-AcPhe) is reacted with a hydroxylamine reagent to generate a nitroxide side chain

222 rk in many laboratories has established that hydroxylamine reduces the S(1) state of the water oxidiz

223 To determine the involvement of a putative hydroxylamine reductase (PG0893) and a putative nitrite

224 ith valine substituted for His(265) exhibits hydroxylamine reductase activity.

225 d cluster protein (Hcp), which is a putative hydroxylamine reductase.

226 sfer from the FMN, explaining why only the 2-hydroxylamine reduction product is observed.

227 ties (alpha-effect) for either hydrazines or hydroxylamine relative to alkylamines.

228 Of the four reagents examined, only hydroxylamine releases nascent apoHmpH without causing e

229 dition of the competitive catalase inhibitor hydroxylamine resulted in a dose-dependent impairment of

230 amolecular bromoamination of O-allyl-N-tosyl-hydroxylamines results in the formation of isoxazolidine

231 ns that minimize cleavage of the traditional hydroxylamine-sensitive Asn-Gly and related peptide bond

232 mately 300 17-octadecynoic acid-modified and hydroxylamine-sensitive proteins, of which a subset was

233 thermal stability in the dark and increased hydroxylamine sensitivity.

234 eveloped a mass-tag labeling method based on hydroxylamine-sensitivity of thioesters and selective ma

235 reduction of the nitroso species back to the hydroxylamine species.

236 4e-, 4H+ reduction of the 7-nitro group to a hydroxylamine species; the second more negative peak, de

237 was cleaved by thiol reagents and by neutral hydroxylamine, strongly suggesting a thioester bond.

238 ling catalytic reduction of both nitrite and hydroxylamine substrates by ecNrfA adsorbed to a graphit

239 nt inhibition of phototaxis in both bands by hydroxylamine suggest the involvement of two rhodopsin p

240 en R* decay was accelerated with 10 to 50 mM hydroxylamine, suggesting that R* inactivation limits th

241 ants do not show increased reactivity toward hydroxylamine, suggesting that their instability is not

242 mation that is eliminated by the addition of hydroxylamine, suggesting that truncation of the N-termi

243 g antioxidants (e.g., phenols, diarylamines, hydroxylamines, sulfenic acids), which tend to have high

244 -amino group, in the presence and absence of hydroxylamine support the formation of an acyladenylate

245 The increased reactivity of the mutants to hydroxylamine supports the notion that the second extrac

246 ndofullerene based on a reversible nitroxide/hydroxylamine system.

247 es Ru(III)(acac)2(py-im) (Ru(III)im) and the hydroxylamine TEMPO-H by transfer of H(*) (H(+) + e(-))

248 -tert-butylnitroxyl ((t)Bu(2)NO(*)), and the hydroxylamines TEMPO-H, 4-oxo-TEMPO-H, 4-MeO-TEMPO-H (2,

249 ,6-tetramethyl-1-piperidinoxyl) to yield the hydroxylamine, TEMPO-H, and the respective deprotonated

250 propylidine ascorbate, hydroquinone, and the hydroxylamine TEMPOH all rapidly add H* to FeIIIIm to gi

251 An excess of the hydroxylamine TEMPOH or of hydroquinone similarly reduce

252 Ru(III)COO also oxidizes the hydroxylamine TEMPOH to the stable free radical TEMPO an

253 formation of chiral diols and O-substituted hydroxylamines, the generation of quaternary carbon ster

254 tarting nitrido complexes, the nature of the hydroxylamines, the nature of the methoxylamines, and th

255 in good yield by cyclization of a protected-hydroxylamine thioglycoside precursor.

256 d to result from a 2e-, 2H+ oxidation of the hydroxylamine to a nitroso group.

257 reorganization of the resulting nonisolated hydroxylamine to enamino derivatives.

258 derivatized with O-(biotinylcarbazoylmethyl)hydroxylamine to enrich the modified peptides by avidin-

259 ounterion mutant, Rho(E113Q), both requiring hydroxylamine to fully release retinal.

260 AtzF reacts with malonamate and hydroxylamine to generate malonohydroxamate, potentially

261 oxidation, the extraction of electrons from hydroxylamine to generate proton-motive force and reduct

262 t isolated, but were condensed directly with hydroxylamine to give the substituted pyrazines.

263 ining a chloride and alkene were heated with hydroxylamine to promote cascade, tandem condensation to

264 pha-acetoxy ketone with a substituted benzyl hydroxylamine to provide the corresponding nitrone.

265 was released from the resin by addition of a hydroxylamine to provide the corresponding oximes.

266 effects were also measured for aminolysis by hydroxylamine to study a reaction similar to the formati

267 Addition of hydroxylamine to substituted 4-chlorobutanals gives inte

268 on experiments have shown that tethering the hydroxylamine to the alkene or alkyne can reverse the re

269 sed to study the intramolecular additions of hydroxylamines to alkenes and alkynes ("reverse Cope eli

270 sigmatropic rearrangement of the N,O-divinyl hydroxylamines to corresponding imino-aldehydes (Paal-Kn

271 ]quinolin-3(1H)-one as "masked" heterocyclic hydroxylamines to generate Paal-Knorr intermediates of t

272 at involve hydrogen atom transfer (HAT) from hydroxylamines to nitroxyl radicals, using the stable ra

273 Imidedioximes are formed in hydroxylamine-treated polyacrylonitrile adsorbents used

274 Illumination of these hydroxylamine-treated samples at temperatures below 77 K

275 y the C169S protein was resistant to neutral hydroxylamine treatment, consistent with formation of an

276 ecific (concentration and incubation length) hydroxylamine treatments.

277 properties of soNrfA during both nitrite and hydroxylamine turnover and compare those properties to t

278 e turnover and negative cooperativity during hydroxylamine turnover, neither of which has previously

279 ation of N-tosyl aldimines applying modified hydroxylamine under asymmetric phase-transfer catalysis

280 photic bleaching and chemical bleaching with hydroxylamine under conditions that fully bleach rod and

281 ii) the succinimidyl bond is then cleaved by hydroxylamine under conditions that minimize cleavage of

282 In amide-forming ligation with hydroxylamines under aqueous conditions, a considerable

283 minoxide, which is subsequently converted to hydroxylamine via water-mediated proton shuttling, with

284 ation of the respective imino nitroxides and hydroxylamines via a complex mechanism.

285 itroxide was first reduced and the resultant hydroxylamine was then protected with an acetyl group.

286 o-1,2,4-triazolate, was prepared when excess hydroxylamine was used.

287 The hydroxylamines were characterized using NMR, electrochem

288 zoyloxyamines as both aliphatic amines and N-hydroxylamines were shown not to react productively with

289 A series of O-(4-nitrophenyl)hydroxylamines were synthesized from their respective ox

290 lue cone/green rod pigments were unstable to hydroxylamine; whereas, the rhodopsin and UV cone pigmen

291 itroalkanes are reduced to the corresponding hydroxylamines which are combined with aldehydes to form

292 to produce a relatively stable product, the hydroxylamine, which can be derivatized with fluorescami

293 The products are N-terminal hydroxylamines, which are substrates for chemoselective

294 tions of amines, hydrazines, hydrazides, and hydroxylamines with benzhydrylium ions and quinone methi

295 Novel N-substituted hydroxylamines with carbon-based leaving groups have bee

296 luorescein-conjugated latex beads and cyclic hydroxylamines with differing membrane permeabilities.

297 lopment of new HNO donors has been modifying hydroxylamines with good leaving groups.

298 Reaction of the respective hydroxylamines with pyruvic acid derivatives generated t

299 ii) labeling of thiols, newly exposed by the hydroxylamine, with biotin-HPDP (Biotin-HPDP-N-[6-(Bioti

300 terminal peptide amines to the corresponding hydroxylamines without overoxidation or erosion of stere