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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

32 These phosphonium boranes are water stable and react reversibl

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

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

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

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

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

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

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

40 18F-Labeled p-fluorobenzyl triphenyl phosphonium cation (18F-FBnTP) is a member of a new clas

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

69 Involvement of phosphonium enolate intermediates in the reaction mechan

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

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

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

73 ge sensor radiolabeled fluorobenzyltriphenyl phosphonium (FBnTP).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

96 indrance to solvation of the initial product phosphonium ion.

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

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

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

100 Phosphonium ionic liquids exchanged with bicarbonate and

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

102 Phosphonium ions also display orthogonal reactivity in c

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

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

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

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

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

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

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

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

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

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

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

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

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

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

117 6a was obtained via a Wittig reaction using phosphonium salt 4 and 3-nitro-4-methoxybenzaldehyde 5.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

181 ion of 1-acetoxybenziodoxole with stabilized phosphonium ylides.