ライフサイエンスコーパス: phosphonium

1 he PET compound (18)F-fluorobenzyl triphenyl phosphonium ((18)F-FBnTP) and characterize its capacity

2 voltage sensor (18)F-fluorobenzyl triphenyl phosphonium ((18)F-FBnTP) to quantify the time-dependent

3 (66614)][C(2)NO(2)], and trihexyl(tetradecyl)phosphonium 2-cyano-pyrrole, [P(66614)][CNPyr], may be c

4 n TPP and 3mTPP (tris(2,4,6-trimethoxyphenyl)phosphonium); (2) DO3A (1,4,7,10-tetraazacyclododecane-4

5 heavy reagents, tris(2,4,6-trimethoxyphenyl)phosphonium acetic acid N-hydroxysuccinimide esters (1 a

6 corresponding N-Tris(2, 4,6-trimethoxyphenyl)phosphonium-acetyl (TMPP-Ac) derivatives.

7 oluene to give the expected iminophosphorane-phosphonium adduct, trialkylphosphines (PCy(3) and PEt(3

8 The reaction of the phosphonium alkylidene [(H(2)IMes)RuCl(2)=CHP(Cy)(3))](+

9 Unique synergistic effects between phosphonium-alkylphosphate ionic liquids (ILs) and zinc

10 ed intermediates that contain pairs of allyl phosphonium/allenic enolate functionalities.

11 Indeed, this new class of boron-phosphonium amino acid derivatives shows promising prope

12 When the o-boronato-phosphonium amino acid or dipeptide derivatives were mix

13 g was demonstrated by coupling an o-boronato-phosphonium amino ester with an aspartic acid moiety.

14 ponification or HCl acidolysis of o-boronato-phosphonium amino esters, respectively.

15 eral formula of [Q][InX3Y] (Q = imidazolium, phosphonium, ammonium, and pyridinium; X = Cl, Br, I; Y

16 In the case of tetraalkyl-phosphonium/ammonium chloride guests, the host featuring

17 d in their binding affinities for quaternary phosphonium/ammonium chloride salts to the one seen in D

18 rrants further investigation of radiolabeled phosphonium analogs for tumor imaging in living subjects

19 which we compared to auranofin and to their phosphonium analogue.

20 d complexes are not the same as those of the phosphonium analogue.

21 ro-industrial byproduct, to develop biobased phosphonium and ammonium salts (5-25) targeting parasite

22 xes were stable and behaved differently from phosphonium and auranofin, both in vitro and in vivo.

23 that the intramolecular interaction between phosphonium and enolate oxygen centers provided by the l

24 echanism of unique interphase chemistry from phosphonium and its functionalities as the key factors r

25 The resulting phosphonium and pyridinium salts can be further function

26 other NorA substrates, including tetraphenyl phosphonium and the fluoroquinolones norfloxacin and cip

27 s for the internal standard, methyltriphenyl phosphonium, and for tetraphenylphosphonium bromide (TPP

28 ate (FAP) anion are paired with imidazolium, phosphonium, and pyrrolidinium cations and used as extra

29 m disc specimen applying selected ammonium-, phosphonium-, and sulfonium-based ionic liquids (IL) wit

30 We have found that the easily prepared phosphonium anhydrides 1 (Hendrickson reagent) or 2 can

31 n and cation chain length and aggregation of phosphonium based ILs.

32 ect of 11 common amidinium, imidazolium, and phosphonium based ionic liquids (ILs) on zebrafish (Dani

33 n reversibility in aqueous electrolytes when phosphonium-based cations are used to reshape interfacia

34 Here, we leverage phosphonium-based geminal dications to control interfaci

35 ass-dissolving amidinium-, imidazolium-, and phosphonium-based ionic liquids (ILs), toward two differ

36 ted counteranions, unlike most ammonium- and phosphonium-based membranes with single cation-anion pai

37 manuscript describes the synthesis of novel phosphonium-based zwitterionic monomers, accessed by rin

38 Probing triethyl(methyl)phosphonium bis(fluorosulfonyl)imide (P1222FSI) samples

39 methylsulfonyl)amide and trihexyl(tetradecyl)phosphonium bis(trifluoromethylsulfonyl)amide.

40 The phosphonium borane [1-Mes2B-2-MePh2P-(C6H4)]+ ([2]+) has

41 These phosphonium boranes are water stable and react reversibl

42 d fluoride binding properties of a series of phosphonium boranes of general formula [p-(Mes(2)B)C(6)H

43 ransmembrane anion transporters, a series of phosphonium boranes of general formula [p-RPh(2) P(C(6)

44 These results indicate that phosphonium boranes related to [4](+) could be used as m

45 In the catalysts' activation stage phosphonium borates [R3PH][HB(C6F5)3] (6, R = iPr a, Cy

46 ycarbonylmethyl)-tris(2,4,6-trimethoxyphenyl)phosphonium bromide (TMPP).

47 halide, triphenyl(9-phenyl-9H-carbazol-3-yl)phosphonium bromide (TPPCarzBr), with zinc bromide (ZnBr

48 cid or S-aspartic acid to a meta-substituted phosphonium bromide 2.

49 n of aldehyde 36 with the ylide derived from phosphonium bromide 37.

50 esults show the formation of benzyltriethoxy phosphonium bromide as an intermediate.

51 ternatively from Zhdankin's reagent, using a phosphonium bromide salt as a common starting point, is

52 d strategy for a large number of cationic Ni phosphonium catalysts with varying electronic and steric

53 18F-Labeled p-fluorobenzyl triphenyl phosphonium cation (18F-FBnTP) is a member of a new clas

54 ionic liquids containing trihexyl(tetradecyl)phosphonium cation [P(666,14)](+) and anions of differen

55 of the Appel salt, [R(3)PX]CX(3) and alkoxy phosphonium cation [R(3)POR]X, validates the reaction pa

56 g dealkylation step by reorganizing both the phosphonium cation and the chloride anion into a geometr

57 A tetrakis(dialkylamino)phosphonium cation was evaluated as a functional group f

58 imed to evaluate an (18)F-labeled lipophilic phosphonium cation, [1-(2-(18)F-fluoroethyl),1H[1,2,3]tr

59 hosphine group of DBPP is converted into the phosphonium cation, which strongly binds to the surface

60 the disulfide moiety will most likely form a phosphonium cation-thiolate anion salt, in the presence

61 pposite sides of the ionic planes (where the phosphonium cationic centers and anions are located) tha

62 In the present study, triphenyl phosphonium cationic group-conjugated fisetin (mito-fise

63 ore; to which three identical imidazolium or phosphonium cationic moieties were attached.

64 In this study, a novel quaternary phosphonium cationic polymer, poly(diallyldiethylphospho

65 LDI-TOF-MS was used to screen a library of 8 phosphonium cations and subsequently rank their ability

66 for rapid screening and characterization of phosphonium cations as molecular probes.

67 was achieved by using a new family of amino-phosphonium cations as organic structure directing agent

68 C6 cells incubated with phosphonium cations at room temperature were collected a

69 approach for accurately measuring uptake of phosphonium cations by cells.

70 TOF-MS was used to screen a small library of phosphonium cations for their ability to accumulate in c

71 the nature of the alkyl substituents on the phosphonium cations is shown to have an important influe

72 e show that Ir complexes functionalized with phosphonium cations localize selectively in the mitochon

73 tial collapse, detected by reduced levels of phosphonium cations that normally accumulate in healthy

74 traphenylphosphonium bromide (TPP) and other phosphonium cations were first established.

75 ensing layers, all containing imidazolium or phosphonium cations, differing from one another in the l

76 H/D exchange of alpha hydrogen atoms to the phosphonium center was observed in the solution of 10 in

77 Reaction of a (1-benzyl-1H-tetrazol-5-yl)-phosphonium chloride and acyl chlorides in the presence

78 ition of ionic liquid tetrakis(hydroxymethyl)phosphonium chloride solution to the alpha-hemolysin por

79 of InP concurs with that of tetra(oleylamino)phosphonium chloride.

80 This work highlights the potential use of a phosphonium coagulant polymer, polyDADEPC, as a viable a

81 e of two MILs, including trihexyl(tetradecyl)phosphonium cobalt(II) hexafluoroacetylacetonate ([P(666

82 In this work, a new phosphonium-containing cationic polyelectrolyte (PE1) ha

83 s were synthesized with selected ammonium or phosphonium counterions.

84 salts, on the basis of a combination of the phosphonium coupling and Suzuki-Miyaura cross-coupling c

85 The mechanism of the Pd-catalyzed phosphonium coupling is proposed to proceed via a domino

86 nstration of catalytic enantiocontrol of the phosphonium dealkylation step, establishing a new platfo

87 Trihexyl(tetradecyl)phosphonium decanoate phosphonium ionic liquid (IL) was

88 logical action of the gold complexes and the phosphonium derivative were investigated, and a prelimin

89 d that 1,4-butanediylbis[tris(dimethylamino)]phosphonium dication is a very efficient OSDA for crysta

90 Using geminal phosphonium dications [C(n)(P(mmm))(2)][ClO(4)](2), we d

91 ctions, with the ionic liquid tributyl(ethyl)phosphonium diethyl phosphate, [P(2444)][C(2)C(2)PO(4)],

92 ared in two steps: (1) a one-pot reaction of phosphonium dimers ([cyclo-(PR2CH2CH(OH)(-))2][Br]2), KO

93 nd a surface treatment using tributyl(methyl)phosphonium dimethyl phosphate that can penetrate into G

94 It was found that phosphonium drugs act slowly to clear a trypanosome popu

95 catalysis mechanism, instigated by the beta-phosphonium enoate alpha-vinyl anion generated in situ t

96 Involvement of phosphonium enolate intermediates in the reaction mechan

97 Evidence for the involvement of phosphonium enolate intermediates in the reaction mechan

98 h a cationic substrate, tetra(4-fluorophenyl)phosphonium (F(4)-TPP(+)), using solid-state NMR spectro

99 fluorinated substrate, tetra(4-fluorophenyl) phosphonium (F(4)-TPP(+)).

100 s were obtained with the trihexyl(tetradecyl)phosphonium FAP ([PH(3)T] [FAP]) IL for compounds with h

101 (18)F-fluorobenzyl triphenyl phosphonium (FBnTP) has recently been introduced as a my

102 ge sensor radiolabeled fluorobenzyltriphenyl phosphonium (FBnTP).

103 the accumulation of 4-fluorophenyltriphenyl phosphonium (FTPP) in the membrane potential-modulated c

104 These novel bis(alkyl-1,3-diene)-based phosphonium gemini amphiphiles exhibit "normal" hexagona

105 the extraordinary stability fostered by the phosphonium group have the potential to turn hitherto un

106 hat applies the multifaceted features of the phosphonium group to achieve isolation of (a) the first

107 ypervalency, and propeller-like shape of the phosphonium groups in 1a(2+) and 1a*+, were substantiate

108 ults show that the use of positively charged phosphonium groups is a worthy choice to achieve a good

109 er for encapsulated ortho-substituted benzyl phosphonium guest molecules is sensitive to the size and

110 e rotational dynamics of encapsulated benzyl phosphonium guests, as a way to probe changes in host ca

111 ue to photo-electron transfer in the excited phosphonium halide ion pair.

112 BF(4)(-) or SbF(6)(-)), while photolyses of phosphonium halides Ar(2)CH-PPh(3)(+)X(-) (X(-) = Cl(-)

113 tions) for the OIPC diethyl(methyl)(isobutyl)phosphonium hexafluorophosphate ([P(1,2,2,4)][PF(6)]).

114 th 1H-benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate (BOP) and DBU in CH(2)Cl

115 with benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate (BOP), base, and nitroge

116 d 1H-benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphate (BOP).

117 OP ((benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate).

118 ((t)Bu)(2)ArPH]; R(3)P that form less acidic phosphoniums (high p K(a) values) bind stronger to SZO(3

119 A DFT study has shown that the phosphonium hydrido borate zwitterion 10 is formed exerg

120 ytically at ambient temperature to yield the phosphonium/hydrido borate zwitterion 5.

121 creasing hydrophobicity, with the long-chain phosphonium ILs being toxic while the shorter-chain vers

122 The toxicity of the phosphonium ILs was highly dependent on the longest line

123 the 2-acyl-tethered benzothiazole to the key phosphonium intermediate, is provided.

124 ere, we report on a molecule tributyl(methyl)phosphonium iodide (TPI), which can convert perovskite i

125 Treatment of mixed phosphonium-iodonium ylides featuring a six-membered phe

126 wn hetaryl-substituted (in phosphonium part) phosphonium-iodonium ylides were synthesized.

127 The reaction of these mixed phosphonium-iodonium ylides with acetylenes opens a way

128 These secondary amines feature a phosphonium ion connected by a carbon chain, enabling th

129 polycondensation that proceeds via phosphino-phosphonium ion intermediates, prior to Me(3)SiCl loss.

130 Bulky and oxophilic phosphonium ion plays a vital role in facilitating kinet

131 a thiourea-bound carbamate anion to a vinyl phosphonium ion resulting from covalent activation of th

132 d by a carbon chain, enabling the quaternary phosphonium ion to engage in distinct cooperative noncov

133 sely tuning the electronic properties of the phosphonium ion was key for C-N bond formation via an S(

134 erved with more basic (Mes)(3)P to yield the phosphonium ion.

135 indrance to solvation of the initial product phosphonium ion.

136 ctivities up to 90% ee are observed with the phosphonium-ion-tagged phosphoric acids.

137 Trihexyl(tetradecyl)phosphonium decanoate phosphonium ionic liquid (IL) was applied for the extrac

138 The superbasic tetraalkyl phosphonium ionic liquid [P66614][124Triz] is able to ch

139 Phosphonium ionic liquids exchanged with bicarbonate and

140 bility of sulfur, selenium, and tellurium in phosphonium ionic liquids promotes fast reactions betwee

141 Phosphonium ions also display orthogonal reactivity in c

142 eta-position of anilines to produce aromatic phosphonium ions or phosphonates.

143 A series of catecholato phosphonium ions, including the first stable bis(catecho

144 rom P to Si, to give experimentally observed phosphonium ions.

145 oncluded that (1) mTPP (tris(4-methoxyphenyl)phosphonium) is a better mitochondrion-targeting molecul

146 to SZO(300) than R(3)P that form more acidic phosphoniums (low p K(a) values).

147 A novel phosphonium-mediated reaction of isatins is described.

148 Amino acid ionic liquid trihexyl(tetradecyl)phosphonium methioninate [P(66614)][Met] and prolinate [

149 Deuteration of the phosphonium methyl groups was found to have a larger EIE

150 e-based switch and a mitochondrial-targeting phosphonium moiety for detection of hydrogen peroxide lo

151 ent phosphorus-centered Lewis acidity of the phosphonium moiety in [2]+ can be exploited to enhance f

152 stigations reveal a structural change in the phosphonium moiety induced by the steric confinement of

153 O(9)P(NC(4)H(8))(3)](-) (1), incorporating a phosphonium moiety.

154 ][Co(hfacac)(3)(-)]) and trihexyl(tetradecyl)phosphonium nickel(II) hexafluoroacetylacetonate ([P(666

155 r onium alkoxides involving either ammonium, phosphonium, or phosphazenium cations were selected to i

156 ) containing the cations trihexyl(tetradecyl)phosphonium (P6,6,6,14(+)), N-butyl-N-methylpyrrolidiniu

157 e stabilized by two tert-butyl groups at the phosphonium part of the betaine and two trifluoromethyl

158 of hitherto unknown hetaryl-substituted (in phosphonium part) phosphonium-iodonium ylides were synth

159 cter (or loss of aromaticity) of the primary phosphonium product.

160 cal-radical coupling process between a boryl phosphonium pyridyl radical and a boryl-stabilized cyano

161 transported substrates, including quaternary phosphonium, quaternary ammonium, and planar polyaromati

162 ble properties made possible by selection of phosphonium R groups.

163 cyclic 1,3-pentanediones with a cyclopropyl phosphonium salt ([1-(ethoxycarbonyl)cyclopropyl]triphen

164 the synthesis of a stable acyclic beta-amino phosphonium salt 1c, which upon deprotonation with butyl

165 The reaction of phosphonium salt 3, arylglyoxals 4, amine 5 (or without)

166 The phosphonium salt 35, representing one of the two princip

167 6a was obtained via a Wittig reaction using phosphonium salt 4 and 3-nitro-4-methoxybenzaldehyde 5.

168 In this report, the Lewis acidic phosphonium salt [(C6F5)3PF][B(C6F5)4] 1 is shown to cat

169 enium salt unexpectedly generated the cyclic phosphonium salt [cyclo-{(Mes)P}(2) P(Mes)(2) ][BAr(F) (

170 erization of the proposed intermediates (the phosphonium salt and HOBt adduct); the data reveal a ste

171 y of the Wittig reaction depends on both the phosphonium salt anion and the cation present in the bas

172 Finally, this amino acid phosphonium salt appears to be a new powerful tool for t

173 Isolation and characterization of the phosphonium salt as well as analysis by 31P{1H} NMR appe

174 report the discovery of new 4-hydroxyphenyl phosphonium salt derivatives active in the submicromolar

175 ng group and the counterion of the precursor phosphonium salt do not affect the rates of the reaction

176 functional group transposition proceeds via phosphonium salt formation and ligand-enabled C-P bond m

177 The C29-C51 primary iodide was amenable to phosphonium salt formation, and the ensuing Wittig coupl

178 for aminating pyridines and other azines via phosphonium salt intermediates.

179 otriazole undergoes reaction with the formed phosphonium salt leading to the requisite O6-(benzotriaz

180 lar approach, chlorin 3 on reacting with bis-phosphonium salt of 4, 4'-bischloromethylbiphenyl produc

181 tion of formyltetrathiafulvalene (7) and the phosphonium salt of anthraquinone 8.

182 oporphyrin 14 by reacting chlorin 3 with the phosphonium salt of p-methylbenzylbromide 10 and isolati

183 between 6a and the ylide generated from the phosphonium salt of the appropriate alkyl halide or betw

184 amplification system consists of an allylic phosphonium salt that upon reaction with the thiol analy

185 tereoselective synthesis of a new amino acid phosphonium salt was described by quaternization of melt

186 This phosphonium salt was used in the Wittig reaction with ar

187 f the carboxylic acid function to afford the phosphonium salt with a free carboxylic acid group was a

188 reaction appears to proceed via a nucleoside phosphonium salt, and in the absence of any additional n

189 rom the solvation of the betaine by a parent phosphonium salt, as in 4, or by protonation with methan

190 On suspension in THF with a phosphonium salt, KH(P) rapidly generates the ylide.

191 chanism involves the formation of quaternary phosphonium salt, which undergoes single electron reduct

192 Phosphonium salt-activated, Pd-catalyzed Suzuki-Miyaura

193 d a low toxicity in vivo, in contrast to the phosphonium salt.

194 sion becomes very difficult using uronium or phosphonium salts (PyAOP, PyAOP/HOAt, HATU).

195 atives 15a,b, quinuclidine 15d, ammonium and phosphonium salts 14, and drugs like ibuprofen 15c, all

196 In contrast, cyclic beta-amino phosphonium salts 5a and 5b are stable despite the prese

197 he reaction of (C5 Me5 )2 Th(CH3 )2 with the phosphonium salts [CH3 PPh3 ]X (X=Cl, Br, I) was investi

198 The crystalline, air-stable phosphonium salts [s-PhobP(CH(2)OH)(2)]Cl and [a-PhobP(C

199 s and diazines are converted into heteroaryl phosphonium salts and coupled with aryl boronic acids.

200 reaction has been developed between pyridyl phosphonium salts and cyanopyridines using B(2) pin(2) a

201 installed at the 4-position of pyridines as phosphonium salts and then displaced with halide nucleop

202 the synthesis of sulfides and selenides from phosphonium salts and thio- or selenesulfonates, commerc

203 n tumor cells, suggests the potential use of phosphonium salts as tracers for tumor imaging.

204 tumor cells, suggesting the potential use of phosphonium salts as tracers for tumor imaging.

205 und provide insights into how new mesmorphic phosphonium salts can be designed and exploited for a wi

206 action proceeds through initial formation of phosphonium salts followed by sp(2)-sp(3) coupling of ph

207 approaches for the synthesis of substituted phosphonium salts from easily available benzyl alcohols

208 entially important ligands: (a) formation of phosphonium salts from the highly basic phosphine under

209 In contrast, quaternary ammonium and phosphonium salts gave excellent ESI spectra, particular

210 In this case, the phosphonium salts give a higher meta selectivity than th

211 ratures on several key structural factors of phosphonium salts has been made.

212 c phases of a structurally diverse family of phosphonium salts have been examined.

213 a new class of bifunctional amino quaternary phosphonium salts have been synthesized and utilized as

214 example of highly nucleophilic pyridinamide phosphonium salts in dichloromethane, we show that asymm

215 The photochemistry of phosphonium salts is controlled by the degree of ion pai

216 bond olefination with stabilized ylides from phosphonium salts mediated by t-BuOK.

217 Phosphonium salts of orange five-coordinated Fe(III)-TAM

218 nthesis of o-boronato- and o-trifluoroborato-phosphonium salts supported by the L-amino acid side cha

219 ts with a large set of alkyl halides to give phosphonium salts that can be converted to primary phosp

220 demonstrate that several classes of aromatic phosphonium salts undergo iridium-catalyzed C-H borylati

221 Phosphonium salts were found to be the only viable radic

222 f carbocations are obtained by photolyses of phosphonium salts with complex counterions (X(-) = BF(4)

223 Uronium and phosphonium salts with HODhat built into the system were

224 nably effectively via reaction of nucleoside phosphonium salts with polymer-linked HOBt (Pol-HOBt).

225 hine oxides, phosphine-borane complexes, and phosphonium salts) was developed.

226 ial (DeltaPsim)-dependent enhanced uptake of phosphonium salts, including (3)H-tetraphenylphosphonium

227 brane potential-dependent enhanced uptake of phosphonium salts, including [3H]triphenylmethylphosphon

228 rizable heterocycles has been achieved using phosphonium salts, on the basis of a combination of the

229 n condition is obtained through screening of phosphonium salts, Pd catalysts, and bases.

230 le C(aryl)-P reductive elimination to afford phosphonium salts, which have been spectroscopically and

231 hosphorus ylide, producing gem-difluorinated phosphonium salts, which subsequently behave as a source

232 on the solvent and the concentration of the phosphonium salts.

233 rthermore, the in situ generation of a vinyl phosphonium species can also be utilized in Wittig-type

234 electrophilic alpha,beta-unsaturated ketenyl phosphonium species have been detected by (31) P NMR and

235 cluding the unprecedented heterocycle-Pd(II)-phosphonium species.

236 tivities are predicted for various silyl and phosphonium substituents, along with potent pi-acceptors

237 araldehyde (Glut) and tetrakis(hydroxymethyl)phosphonium sulfate (THPS).

238 lock copolymers prepared from these tailored phosphonium sulfonate zwitterions highlight their divers

239 Interestingly, the resultant polymeric phosphonium sulfonates proved soluble in numerous organi

240 n, we describe studies of the living CDSA of phosphonium-terminated amphiphilic poly(3-hexylthiophene

241 ic hydrocarbons, namely, trihexyl(tetradecyl)phosphonium tetrachloroferrate ([P66614][FeCl4]) and tri

242 raction behavior for the trihexyl(tetradecyl)phosphonium tetrachloroferrate(III) ([P6,6,6,14(+)][FeCl

243 tetrafluoroborate salt of the corresponding phosphonium, the reactions can be assembled outside of a

244 ioxidants, ubiquinol conjugated to triphenyl phosphonium, triphenylphosphonium conjugated carboxyl pr

245 te ([P66614][FeCl4]) and trihexyl(tetradecyl)phosphonium tris(pentafluoroethyl)trifluorophosphate ([P

246 he preparation of AAEM materials composed of phosphonium units attached to polyethylene.

247 [(11)C]methyl triphenyl phosphonium was used as a tracer for reference images of

248 hdrawing group (pyridinium, imidazolium, and phosphonium) was discovered to afford novel indolizin-1-

249 ne in one molecule synthetic advantages of a phosphonium ylide and an iodonium salt.

250 n one molecule the synthetic advantages of a phosphonium ylide and an iodonium salt.

251 e Wittig reactions of all of the three major phosphonium ylide classes (non-stabilized, semi-stabiliz

252 eophilic addition to the readily formed beta-phosphonium ylide followed by a cyclization reaction, is

253 ing peptide chain reveals that the activated phosphonium ylide of Pinc brings the reactive ends close

254 product was stable toward hydrolysis and aza-phosphonium ylide reactions.

255 est described as a weakly chelated acylamino-phosphonium ylide.

256 ition process with the redox generation of a phosphonium ylide.

257 in good yields by the reaction of stabilized phosphonium ylides [1-triphenylphosphoranylidene-2-propa

258 ion of 1-acetoxybenziodoxole with stabilized phosphonium ylides [1-triphenylphosphoranylidene-2-propa

259 njugate addition of unstabilized Wittig-type phosphonium ylides to 1,1-diacceptor- and 1-acceptor-sub

260 e of the strongest superbases ever measured (phosphonium ylides) are reported, and by employing these

261 azidofluoroalkanes with carbonyl-stabilized phosphonium ylides, resulting in the formation of 1-fluo

262 ation of the respective alpha-functionalized phosphonium ylides, which can be further converted to al

263 cates that, unlike related additions to beta-phosphonium ylides, which typically prefer alpha-additio

264 ion of 1-acetoxybenziodoxole with stabilized phosphonium ylides.