ライフサイエンスコーパス: phosphoric

1 diaminetetraacetic acid (EDTA; 10%, pH 7.2), phosphoric acid (37%, pH <1), citric acid (10%, pH 1.5),

2 umn using methanol: acetonitrile (ACN): 0.1% phosphoric acid (60:10:30) as mobile phase.

3 Aqueous phosphoric acid (85 wt %) is an effective, environmental

4 rotonation of allyic alcohol by chiral BINOL-phosphoric acid (Bronsted acid catalysis).

5 F(3)-DXP), 1,1-difluoro-1-deoxy-d-xylulose 5-phosphoric acid (CF(2)-DXP), 1-fluoro-1-deoxy-d-xylulose

6 logues, 1,1,1-trifluoro-1-deoxy-d-xylulose 5-phosphoric acid (CF(3)-DXP), 1,1-difluoro-1-deoxy-d-xylu

7 d (CF(2)-DXP), 1-fluoro-1-deoxy-d-xylulose 5-phosphoric acid (CF-DXP), and 1,2-dideoxy-d-hexulose 6-p

8 as found to constitute a new class of chiral phosphoric acid (CPA) catalyst upon insertion into pepti

9 LLE using di-(2-ethylhexyl)phosphoric acid (D2EHPA) extracted 97% of the indium fro

10 tic experiments for the 1-deoxy-d-xylulose 5-phosphoric acid (DXP) analogues, 1,1,1-trifluoro-1-deoxy

11 no treatment (None), polyacrylic acid (PAA), phosphoric acid (H(3)PO(4)), and Scotchbond Multi-Purpos

12 ped reactions could be initiated with excess phosphoric acid (H3PO4), and the reactions proceeded fas

13 lthier beverages, colas contain caffeine and phosphoric acid (H3PO4), which may adversely affect bone

14 We introduce the use of pure molten ortho-phosphoric acid (o-H3PO4) as an electrolyte for self-org

15 Phosphoric acid (PA) or rock phosphate were added to sme

16 ng (M)-1 in the presence of the enantiomeric phosphoric acid (R)-4.

17 reactions with (M)-1 catalyzed by the chiral phosphoric acid (S)-4.

18 ogen-transfer conditions using VAPOL-derived phosphoric acid (VAPOL-PA) as the Bronsted acid catalyst

19 enylsulfenyl)phenylethylamines through BINOL-phosphoric acid [(R)-TRIP]-catalyzed asymmetric Pictet-S

20 Therefore, addition of GSE did render phosphoric acid a collagen-stabilizing etchant, but the

21 ein staining contained 0.1% Ponceau S in 15% phosphoric acid and 10% ethanol.

22 The results have revealed a role for phosphoric acid and acetate as proton donor and acceptor

23 scade that is catalyzed by a confined chiral phosphoric acid and furnishes O-protected beta-hydroxyth

24 is same formulation exhibited unsynchronized phosphoric acid and GSE penetration.

25 w system is based on a combination of chiral phosphoric acid and m-CPBA and gives various 3,6-disubst

26 N-Palmitoyl-L-serine-phosphoric acid and N-palmitoyl-L-tyrosine-phosphoric ac

27 onjugation of amino acids in the presence of phosphoric acid and plant oil at 150 degrees C.

28 ere extracted with a mixture of acetonitrile-phosphoric acid and the extracts were defatted with hexa

29 rometer with HPLC solvent gradient system of phosphoric acid aqueous solution at pH 1.6 and acetonitr

30 en bond in the molecular complex of urea and phosphoric acid are investigated using plane-wave densit

31 Two contained phosphoric acid as the acidulant and 2 contained citric

32 iously has required prolonged reactions with phosphoric acid at elevated temperatures.

33 ctyldecyl phosphate processing aid with some phosphoric acid being detected.

34 tetracyclic indolines using silver(I)/chiral phosphoric acid catalysis.

35 The heterodimerizing self-assembly between a phosphoric acid catalyst and a carboxylic acid has recen

36 er (PCET) event jointly mediated by a chiral phosphoric acid catalyst and the photoredox catalyst Ir(

37 In control: A chiral phosphoric acid catalyst significantly enhances or compl

38 rization of prochiral diesters with a chiral phosphoric acid catalyst to produce highly enantioenrich

39 lled by the enantioselectivity of the chiral phosphoric acid catalyst used in these reactions.

40 tric redox approach was employed, in which a phosphoric acid catalyst, oxidant, and reductant are pre

41 In the presence of 1 mol % of a chiral phosphoric acid catalyst, reactions reach completion wit

42 onation of the boronate oxygen by the chiral phosphoric acid catalyst.

43 e presence of a catalytic amount of a chiral phosphoric acid catalyst.

44 was accomplished through the use of a chiral phosphoric acid catalyst.

45 The relationship between the acidities of phosphoric acid catalysts and their reaction activity an

46 BINOL-derived phosphoric acid catalysts have been used to achieve the

47 Employing up to 10 mol % bulky chiral phosphoric acid catalysts in boiling toluene allowed the

48 More specifically, BINAM-derived phosphoric acid catalysts were shown to prevent alkene i

49 The chiral BINOL-phosphoric acid catalyzed allylboration and propargylati

50 In addition, chiral BINOL-derived phosphoric acid catalyzed dynamic kinetic resolution of

51 Herein, we describe a chiral phosphoric acid catalyzed electrophilic amination of ene

52 sing this problem in the context of a chiral phosphoric acid catalyzed fluorination of allylic alcoho

53 The final form, a phosphoric acid cocrystal, was produced in high yield an

54 agen-stabilizing etchant, but the preferable phosphoric acid concentration should be <20%.

55 Esters of phosphoric acid constitute a sizable fraction of the tot

56 e C-N coupling reaction, catalyzed by chiral phosphoric acid derivatives, in which catalyst-substrate

57 rinated compounds, including polyfluoroalkyl phosphoric acid diesters (diPAP), perfluorophosphonates

58 cid (PFOS) precursors and 11 polyfluoroalkyl phosphoric acid diesters (diPAPs).

59 In contrast, the weak phosphoric acid does not protonate the hydrazone, and on

60 indicated limited formation of the nontoxic phosphoric acid ester but the formation of nonvolatile c

61 efinements in the choice of carboxylate- and phosphoric acid ester-protecting groups.

62 feasibility of combining GSE treatment with phosphoric acid etching to address the issue.

63 fluxmeter: 1) with smear layer, 2) after 37% phosphoric acid etching, 3) after the treatments, and 4)

64 the N-phosphonooxymethyl prodrug in the free phosphoric acid form, which can subsequently be converte

65 ontaining the characteristic neutral loss of phosphoric acid from phosphorylated serine and threonine

66 o found that ions due to the neutral loss of phosphoric acid from the parent peptide ion were not pro

67 rate of the oxygen reduction reaction in the phosphoric acid fuel cell is the main factor limiting it

68 n of cathode catalysts with potential use in phosphoric acid fuel cells, or in any environments conta

69 ceived prior root acid conditioning with 35% phosphoric acid gel and those without acid conditioning.

70 a synthetic DNA molecule, so that the 5' end phosphoric acid group and multiple phosphate oxygen atom

71 el by an acid extraction method, removed the phosphoric acid groups from phosphorylated residues by b

72 genation of imines catalyzed by chiral BINOL-phosphoric acid has been investigated using DFT methods.

73 he molecular role of water, benzoquinone and phosphoric acid has been probed by computing the energet

74 Replacement of the phosphoric acid hydroxyl group with an N-triflyl moiety

75 actones with aldimines catalyzed by a chiral phosphoric acid is described.

76 Mechanistic studies suggest the role of the phosphoric acid is to furnish a Pd(II)bis-sulfoxide phos

77 The use of a chiral BINOL phosphoric acid ligand enables the conversion of readily

78 The 2,2'-dihydroxy-1,1'-binaphthyl (BINOL) phosphoric acid ligand, Cs2 CO3 , and solvent-free condi

79 suspected by many researchers that residual phosphoric acid may cause degradation of the benzoxazole

80 eptors (Edg-2) and (Edg-4) for the lysolipid phosphoric acid mediator lysophosphatidic acid have been

81 (Edg-1, Edg-3, and Edg-5) for the lysolipid phosphoric acid mediator sphingosine 1-phosphate have be

82 onses, the mechanism of action of such lipid phosphoric acid mediators as lysophosphatidic acid (LPA)

83 Although lipid phosphoric acid mediators such as lysophosphatidic acid

84 re, the derivatized peptides retained labile phosphoric acid moieties, and the enhanced set of z ions

85 dehyde to understand the synergy between the phosphoric acid OH...O hydrogen bond and the secondary C

86 s of an Ir(III)-diamine complex and a chiral phosphoric acid or its conjugate base.

87 Amending soil with phosphoric acid or rock phosphate resulted in changes in

88 amel samples were etched for 30 sec with 37% phosphoric acid prior to being viewed by SEM.

89 m RuH2(CO)(PPh3)3, (S)-SEGPHOS, and a chiral phosphoric acid promotes asymmetric hydrohydroxyalkylati

90 Ph(3))(3), (S)-SEGPHOS, and a TADDOL-derived phosphoric acid promotes butadiene hydrohydroxyalkylatio

91 transition state for C-C bond formation, the phosphoric acid proton of the catalyst is fully transfer

92 ncluded that removal of the smear layer with phosphoric acid provides significantly enhanced resistan

93 the manufacturing process to neutralize the phosphoric acid reaction medium and to extract residual

94 It was found that phosphoric acid readily reacts with the AlO(OH) phase in

95 finitive data have indicated the presence of phosphoric acid since the residual phosphorus is not eas

96 xyapatite dissolution in acetic, lactic, and phosphoric acid solutions is a function of the degree of

97 In both models, the phosphoric acid stabilizes the transition state by formi

98 ed purified thermostable chimeras hydrolyzed phosphoric acid swollen cellulose at temperatures 7 to 1

99 3,3'-bis(triphenylsilyl)-1,1'-bi-2-naphthol phosphoric acid to give an asymmetric beta-carboline.

100 vity simply by switching the catalyst from a phosphoric acid to its calcium salt.

101 eling of staphylococcal cultures with [(32)P]phosphoric acid to reveal a P3 intermediate.

102 ng and collagen protecting of GSE-containing phosphoric acid was evaluated on the premise of a 30-sec

103 VAPOL phosphoric acid was found as the best co-catalyst among

104 spectroscopy, the formulation containing 20% phosphoric acid was found to lead to overetching.

105 Phosphoric acid was the only amendment that could signif

106 dihydroxybenzoic acid matrix containing 1.0% phosphoric acid was used to overcome the degradation of

107 Derivatization of phosphoric acid with diazomethane generates trimethyl ph

108 Phosphoric acid without caffeine produced no excess calc

109 le/methanol based aqueous eluents containing phosphoric acid) as preferred methods.

110 kg(-1)), after the addition of conventional (phosphoric acid), opportunistic [water treatment residue

111 m CGP55845 (p-3-aminopropyl-p-diethoxymethyl phosphoric acid)] had nonsignificant effects.

112 stablished that in the presence of 20% to 5% phosphoric acid, 30 sec of GSE treatment rendered demine

113 he mobile phase (cyclohexane:2-propanol:5 mM phosphoric acid, 50:50:2.9, v/v/v).

114 In the presence of N-palmitoyl L-serine phosphoric acid, a competitive inhibitor for the endothe

115 catalysis by an iridium complex and a chiral phosphoric acid, alpha-branched alcohols that exist as a

116 phosphate amendments (e.g., rock phosphate, phosphoric acid, and apatite [2-5]), although our work h

117 Conditioning by EDTA, phosphoric acid, and citric acid exposed growth factors

118 ed in dentine matrix extracts drawn by EDTA, phosphoric acid, and citric acid from powdered dentine.

119 A newly developed phosphoric acid, featuring the 3,5-bis(pentafluorothio)p

120 ns, those resulting from neutral loss(es) of phosphoric acid, following activation of the precursor i

121 or an iodide-selective electrode measured in phosphoric acid, for example, apparent iodide impurity l

122 ssie Brilliant Blue G-250 dye, methanol, and phosphoric acid, has been traditionally used for quantif

123 Compared to phosphoric acid, HBEA is shown to be a more active catal

124 alkane, including glycerol and ribitol, and phosphoric acid, joined to form phosphodiester units tha

125 d by the following steps: degumming with 85% phosphoric acid, neutralization with 20% NaOH, washing w

126 s coated with a layer of decamolybdodivanado phosphoric acid, sensitive to HMF.

127 e-phosphoric acid and N-palmitoyl-L-tyrosine-phosphoric acid, which had been previously shown to be a

128 tituted cyclic ketones catalyzed by a chiral phosphoric acid, yielding products with a N-containing q

129 sing an ODS guard column eluted with aqueous phosphoric acid-acetonitrile and quantitated with uv det

130 direct molecular dynamics simulations on the phosphoric acid-catalyzed allylboration of benzaldehyde

131 Chiral phosphoric acid-catalyzed asymmetric nitroso-Diels-Alder

132 to acylimines and the second was the chiral phosphoric acid-catalyzed Biginelli reaction.

133 An enantioselective intramolecular chiral phosphoric acid-catalyzed cyclization of unsaturated ace

134 ins of the high enantioselectivity of chiral phosphoric acid-catalyzed oxetane desymmetrizations were

135 The chiral phosphoric acid-catalyzed spiroketalization of deuterium

136 gins of enantiocontrol for asymmetric chiral phosphoric acid-catalyzed spiroketalization reactions.

137 the origin of the selectivity for the BINOL-phosphoric acid-catalyzed Strecker reaction on N-benzyl

138 The pKa values of 41 chiral phosphoric acid-family catalysts in DMSO were predicted

139 demonstrate that carboxymethylcellulose and phosphoric acid-swollen cellulose are in fact relatively

140 Activity on phosphoric acid-swollen cellulose was measured as a func

141 heir activities on (carboxymethyl)cellulose, phosphoric acid-swollen cellulose, bacterial microcrysta

142 However, phosphoric acid-treated dentine appeared strikingly less

143 mination of the oxygen reduction reaction in phosphoric acid.

144 roduct ions dominated by the neutral loss of phosphoric acid.

145 en backbone cleavage and the neutral loss of phosphoric acid.

146 cted with phosphorous pentachloride to yield phosphoric acid.

147 cetyl-D-N-acetylglucosamine with crystalline phosphoric acid.

148 peptides were separated by bis-(2-ethylhexyl)phosphoric acid.

149 ond dimension, together with the use of 0.1% phosphoric acid/acetonitrile eluents in both dimensions.

150 ere trapped and therefore not accessible for phosphoric acid; hence, no AlPO4 phase could be formed w

151 Phosphoric-acid-etched, oxalate-occluded, deep coronal d

152 BINOL-based chiral phosphoric acids (CPAs) were used to catalyze highly sel

153 Metal-free chiral phosphoric acids and chiral calcium phosphates both cata

154 Ka's for 3 and 3' disubstituted phenyl BINOL phosphoric acids and the Hammett constants was obtained.

155 Chiral phosphoric acids are demonstrated as effective anionic l

156 or the catalytic efficiency: the less acidic phosphoric acids are ineffective, while highly acidic ch

157 N-palmitoyl-serine and N-palmitoyl-tyrosine phosphoric acids are potent and specific competitive inh

158 spiroketalizations with BINOL-derived chiral phosphoric acids are reported.

159 imidazolidinones, thioureas and chiral binol phosphoric acids being the most frequently used catalyst

160 of a library of 3,3'-triazolyl BINOL-derived phosphoric acids capable of forming attractive hydrogen-

161 BINOL-derived phosphoric acids catalyze the asymmetric allylboration o

162 1,1'-Bi-2-naphthol (BINOL)-derived phosphoric acids catalyze the asymmetric propargylation

163 Chiral phosphoric acids catalyze this rare example of a non-hyd

164 of the transition states involved in chiral phosphoric acids catalyzed addition of nucleophiles to i

165 The use of chiral Bronsted acids such as phosphoric acids in conjunction with a range of transiti

166 N-Palmitoyl-serine and N-palmitoyl-tyrosine phosphoric acids inhibited the lysophosphatidate-activat

167 BINOL-derived phosphoric acids provide effective asymmetric catalysis

168 Knowledge of the pKa values of phosphoric acids should be of great value for the unders

169 h (vM-Mannich) reactions catalyzed by chiral phosphoric acids that proceed with excellent diastereose

170 The reaction is catalyzed by the chiral phosphoric acids TRIP or STRIP in the presence of a stoi

171 Phosphoric acids with planar chiral paracyclophane scaff

172 sence of catalytic amounts of axially chiral phosphoric acids, achiral N,N'-binaphthyl hydrazines und

173 e of typical hydrogen bond donors and chiral phosphoric acids, chiral carboxylic acids provide the op

174 rogen bonding catalysts, as well as stronger phosphoric acids, have proven to be highly effective in

175 mprove enantioselectivity with BINOL-derived phosphoric acids.

176 er when used in combination with certain (R)-phosphoric acids.

177 By designing a data set in which both the phosphoric and boronic acid structures were systematical

178 exhibit enantioselectivity toward 16 chiral phosphoric and sulfonic acids in the polar organic mode

179 system for the addition of HCl, HF and also phosphoric and sulfonic acids to alkenes, with complete

180 nd postulated intermediate, a mixed carbamic-phosphoric anhydride formed when the carbamate is phosph

181 l acids (nitric, hydrochloric, sulfuric, and phosphoric) at volumetric concentrations from 1% to 20%

182 the guanidinium units toward the cleavage of phosphoric diesters is deeply investigated both with kin

183 anocomposite due to its strong affinity with phosphoric group in OPs, while c-MWCNTs was used to enha

184 e of the strong affinity of zirconia for the phosphoric group, nitroaromatic OPs strongly bind to the

185 phates, namely, benzylic phosphonic and aryl phosphoric monoacids, as the directing group.

186 CID) of phosphopeptides leads to the loss of phosphoric or metaphosphoric acid as a neutral molecule,

187 anol based aqueous eluents containing either phosphoric or perchloric acid with 150 mM sodium perchlo

188 ntercalated by non-oxidizing Bronsted acids (phosphoric, sulfuric, dichloroacetic and alkylsulfonic a

189 To achieve asymmetric induction, chiral phosphoric triamides derived from chiral diamines have b