ライフサイエンスコーパス: hydroxo

1 sulfur ligands, one oxo group, and one water/hydroxo.

2 d inorganic oxygenic bridge, neither oxo nor hydroxo.

3 The Ni(II) macrocyle forms hydroxo (14) and cyanide complexes (15) analogous to 1 a

4 Multimeric oxo-hydroxo Al clusters function as models for common minera

5 aqueous [D(6)]DMSO (1)H NMR signals for the hydroxo and aquo ligands of Ga(13) were detected, thus s

6 riers for migratory insertion into the metal-hydroxo and metal-amido bonds are lower than those for i

7 Manganese(IV,V)-hydroxo and oxo complexes are often implicated in both c

8 Up to 20% of the total Fe(III) is found in hydroxo and sulfato complexes.

9 up and an equatorial plane consisting of one hydroxo- and two oxo- groups.

10 a series of NU-1000-supported bimetallic-oxo,hydroxo,aqua clusters.

11 Even with the less stable hydroxo/aqua complex [Cp*(2)Ir(2)(mu-OH)(3)]OH, nanopart

12 chelate complex via the displacement of two hydroxo/aquo groups at the equatorial plane of a single

13 ate (L-arginine) is hydroxylated to N(omega)-hydroxo-arginine.

14 support Fe(III)-(hydro)peroxo (or Fe(V)-oxo-hydroxo) as the reactive species because there is no sou

15 ecular reaction mechanism involving a Mn(IV)-hydroxo based intermediate appears to be slower for O2 f

16 ernative surface modifications: a cobalt oxo/hydroxo-based (CoO(x)) overlayer, reported previously to

17 ure following photolysis of a (mu-peroxo)(mu-hydroxo)bis[bis(bipyridyl)c obalt(III)] complex.

18 coupled Mn(III)/Fe(III) dimer linked by a mu-hydroxo/bis-mu-carboxylato bridging network.

19 ve larger changes in the metal-oxo and metal-hydroxo bond lengths, which is traced to the difference

20 ddition of C-H bonds across Ru-X (X = amido, hydroxo) bonds of TpRu(PMe3)X fragments {Tp = hydridotri

21 When O4 is taken as a mu-hydroxo bridge acting as a hydrogen-bond donor to water5

22 rous species, indicative of (1) at least one hydroxo bridge between the iron ions for both states and

23 ved ligand observed in the (1,2)H ENDOR to a hydroxo bridge between the irons of the mixed-valent dii

24 ongly indicative of the presence of a mu-oxo/hydroxo bridge between the irons; protein ligands for ea

25 and postulated the presence of an additional hydroxo bridge plus a terminal hydroxyl bound to Fe(III)

26 droxo bridged diferric core, which loses one hydroxo bridge upon reduction.

27 and suggest that the diiron center contains hydroxo bridge(s) in the diferric state, as observed for

28 sed in the S0 state contains an exchangeable hydroxo bridge.

29 ange is triggered by deprotonation of the mu-hydroxo bridge.

30 ragment (T model), and does not contain a mu-hydroxo bridge.

31 two mu-oxo bridges but does not contain a mu-hydroxo bridge.

32 FS) spectra indicate the presence of bis-oxo/hydroxo-bridged Co subunits incorporated into higher nuc

33 ile solvents at room temperature, giving the hydroxo-bridged dicopper complex) has allowed for its st

34 idine and two carboxylate ligands to an oxo-/hydroxo-bridged diiron active site, as well as a hydroph

35 -characterized soluble MMO contains a bis-mu-hydroxo-bridged diiron cluster.

36 three Mn2+ ions via coordination to form mu-hydroxo-bridged intermediates, apo-WOC-[Mn(mu-OH)2Mn]3+

37 oxidation products were identified as novel hydroxo-bridged mixed-valent Cu(II)Cu(III) and symmetric

38 at activated catalyst films comprise bis-oxo/hydroxo-bridged nickel centers organized into sheets of

39 Fe-O(Si) bonds are cleaved and new bonds (mu-hydroxo bridges) form between these Fe centers and those

40 ection of the methyl group closer to the oxo/hydroxo by the longer side chain.

41 e oxo ligand in the oxidized enzyme has some hydroxo character, which is ascribed to a hydrogen bondi

42 nd pinpoint the pivotal importance of Pd(II)-hydroxo-chelate complexes for the reactivity-stability i

43 A series of tetranuclear oxo/hydroxo clusters comprised of three Fe centers and a red

44 unds, a model is proposed wherein the Co oxo/hydroxo clusters of Co-Pi are composed of edge-sharing C

45 n reaction of 6((i)Pr) with water, monomeric hydroxo complex 5((i)Pr) is quantitatively regenerated.

46 complex 1 and norbornene (NB) is mediated by hydroxo complex 5.

47 The corrole radical cation manganese(IV) hydroxo complex has been fully characterized by EPR, (1)

48 Isolation of this hydroxo complex in pure form was complicated by its inst

49 a bacterial HO, while the anisotropy for the hydroxo complex reveals a conventional (d(xz), d(yz))(1)

50 The mono-mu-hydroxo complex {[Cu(tmpa)]2-(mu-OH)}(3+) (1) can underg

51 ue to enhanced formation of reactive surface hydroxo complexation.

52 F leads to the corresponding monomeric Ir(I) hydroxo complexes 5(R) in good to excellent yields of 70

53 (2)) react with O2 to form the dearomatized hydroxo complexes [((t)BuPNP*)Ir(R)(OH)] ((t)BuPNP* = de

54 described that interconvert vanadium(IV) oxo-hydroxo complexes [V(IV)O(OH)(R(2)bpy)(2)]BF(4) (1a-c) a

55 er spectroscopy, multiple diferric mu-oxo/mu-hydroxo complexes and small polynuclear ferric clusters

56 demonstrated for the mononuclear uranyl(VI) hydroxo complexes for the first time.

57 Copper-bipyridine-hydroxo complexes rapidly form in situ from simple comme

58 fonato phenyl) porphyrin ((TSPP)Rh) aquo and hydroxo complexes react with a series of olefins in wate

59 sterically unencumbered, first-row metal-oxo/hydroxo complexes that differ by a hydrogen atom (H(+) +

60 lly relevant dinuclear ruthenium hydride and hydroxo complexes were synthesized, and their structures

61 undreds to thousands of Fe(III) diferric oxo/hydroxo complexes, by reactions of Fe(II) ions with O(2)

62 r's rule holds for heme and non-heme oxo and hydroxo complexes.

63 tive to values for most transition metal oxo/hydroxo complexes.

64 both the ferric high-spin aquo and low-spin hydroxo complexes.

65 benzo[ c]cinnoline, amidinate, formate, and hydroxo complexes.

66 ee Sc(3+) ion and by the dissociation of its hydroxo-complexes (ScOH(2+), Sc(OH)2(+) and Sc(OH)3) was

67 uptake were investigated, suggested that Sc hydroxo-complexes were internalized by C. reinhardtii.

68 transmembrane transport of undissociated Sc hydroxo-complexes.

69 pressive water oxidation catalyst, formed by hydroxo coordination to 3(2+) under basic conditions.

70 n(IV)Fe(III) cofactor as having a mu-oxo, mu-hydroxo core and a terminal hydroxo ligand on the Mn(IV)

71 The mu-oxo/mu-hydroxo core structure provides an important sigma/pi su

72 plex by the release of H2O2 and mu-oxo or mu-hydroxo diferric biomineral precursors rather than by ox

73 frozen solution structure and that a mono-mu-hydroxo diferrous species is the catalytically functiona

74 )(mu-O)(PIM)(Ar(Tol)CO(2))(2)] (6) and di(mu-hydroxo)diiron(III) [Fe(2)(mu-OH)(2)(PIM)(Ar(Tol)CO(2))(

75 Oxygenation of 1 afforded a (mu-hydroxo)diiron(III) complex [Fe(2)(mu-OH)(PIM)(Ph(3)CCO(

76 matic compounds by dimanganese mu-oxo and mu-hydroxo dimers [(phen)(2)Mn(IV)(mu-O)(2)Mn(IV)(phen)(2)]

77 , leading to the formation of a rare mono-mu-hydroxo dinuclear Mn(III) complex, [(Mn(III)2(LS)2(OH)]C

78 Hydroxo exchange of U(16)O(2)((16)OH)(+) with H(2)(18)O

79 e X best correlates with a bridged mu-oxo/mu-hydroxo [FeIII(mu-O)(mu-OH)FeIV] structure.

80 eral-acid mechanism and demonstrate that the hydroxo form of the ligated Cu(II) ion is the sole catal

81 (4)(OH) (pentagonal bipyramid) via one mu(2)-hydroxo group and one mu(2)-oxo group.

82 Moreover, in the 3-Cl HOPDA complex, the 2-hydroxo group is moved by 3.6 A from its position near t

83 esting that a (labeled Fe(OH)) coordinates a hydroxo group.

84 factor is most likely anionic with one axial hydroxo- group and an equatorial plane consisting of one

85 Vibrational modes of surface hydroxo groups covering these particles were first monit

86 al characterization of the first polynuclear hydroxo hafnium cluster isolated from base, [TMA]6 [Hf6

87 at the low-spin species is most likely not a hydroxo-heme derivative.

88 c evidence that could test the presence of a hydroxo intermediate in a catalytically active oxovanadi

89 d, therefore, rules out the possibility of a hydroxo intermediate in the catalytic cycle.

90 The resulting Mn hydroxo intermediate is capable of promoting not only OH

91 supports a notion of a tetramolecular Mn(IV)-hydroxo intermediate that is viable for O2 formation in

92 d is completed upon formation of hydroperoxo-hydroxo intermediate {gamma-[(OOH)Ru-(mu-OH)(2)-Ru(OH)](

93 that the reaction occurs via formation of a hydroxo-iron(III) complex (4) after the initial H atom t

94 kyl group of the substrate away from the oxo/hydroxo ligand and closer to the halogen ligand sacrific

95 of [H(3)1](3-) and the oxo and oxygen of the hydroxo ligand are observed in all the complexes.

96 cates the presence of a solvent-derived aqua/hydroxo ligand bound either terminally or in a bridging

97 ing a mu-oxo, mu-hydroxo core and a terminal hydroxo ligand on the Mn(IV).

98 mber of intramolecular H-bonds involving the hydroxo ligand reduces the nucleophilicity of the CoIII-

99 l compared to .O(t)Bu and the absence of the hydroxo ligand that helps to stabilize the resulting Fe(

100 ore consistent with a bridging than terminal hydroxo ligand.

101 rmulation of Mn(IV)PFOM as having a terminal hydroxo ligand.

102 al aqua ligands and Mn(V)PFOM has a terminal hydroxo ligand.

103 that X contains a terminal aqua (most likely hydroxo) ligand to Fe(III) in addition to one or two mu-

104 for Mn(IV)PFOM where both terminal aqua and hydroxo ligands can be rationalized, but the reactivity

105 tem for the reversible condensation of metal hydroxo ligands to form metal oxo moieties.

106 sociated protonation of the bridging oxo and hydroxo ligands, generated by O-O cleavage, to form wate

107 ) and Mn(III) complexes with terminal oxo or hydroxo ligands.

108 e [WOS(OH)(bdt)] (-), with basal sulfido and hydroxo ligands.

109 ygen is the source of the oxygen atom in the hydroxo ligands: [CoIIIH3buea(16OH)]- has a -(O-H) band

110 iron(III) states: the mu-oxo (major)- and mu-hydroxo (minor)-bridged diiron centers.

111 thesis of non-heme high-valent mu-oxo and mu-hydroxo Mn species from Mn(II) precursors and O2 .

112 a Mn(II) precursor to yield mu-oxo and/or mu-hydroxo Mn(III) dimers.

113 ly generates either a di-mu-oxo or mu-oxo-mu-hydroxo Mn(IV) complex.

114 x reactivity between the metal oxo and metal hydroxo moieties for the same redox active metal ion in

115 e processes that govern the equilibrium aqua-hydroxo (O2H3)(-)<-->hydroxyl (OH) in Sc-MOFs, are studi

116 aining Co(II/III) and Ca(II) ions and either hydroxo or aquo ligands.

117 (JS1 degrees S2), which is consistent with a hydroxo or oxo bridge between the two irons.

118 e manganese and iron complexes with terminal hydroxo or oxo ligands are proposed to mediate the trans

119 re are correlations consistent with large Zr hydroxo-/oxo-bridged clusters.

120 cores (M(II) = Ca(II), Ba(II)) in which the hydroxo oxygen atom is derived from O(2).

121 boxylate oxygenases, explaining diferric oxo/hydroxo product release in ferritin vs. diiron cofactor

122 is bridged by two solvent molecules (oxo and hydroxo, respectively) together with a micro 1,3 bridgin

123 tal-organic framework (MOF) bearing the aqua-hydroxo species (O2H3)(-) in the framework, as well as t

124 equilibrium between aquo Co(II) and Co(III) hydroxo species accompanied with a rapid surface equilib

125 y are discussed in terms of the metal cation hydroxo species likely to be present in solution and the

126 i catalyst via formation of a new Ni-bridged hydroxo species that was characterized by X-ray crystall

127 ion, lifetime) of the individual mononuclear hydroxo species were derived to serve as a reference dat

128 rate oxidation is executed by an iron(V)-oxo-hydroxo species, in parallel to a Fenton-type process wh

129 n due to changes of reactive Cr(III) surface hydroxo species.

130 e site of two ferrous ions to a diferric oxo/hydroxo species.

131 importance of studying the possible role of hydroxo-species in trace metal uptake.

132 cell metabolism is affected predominantly by hydroxo-species of U(VI) with an IC50 threshold of appro

133 n OH(-) ligand with heme a3 in a strained mu-hydroxo structure.

134 kinetics of formation and consumption of the hydroxo surface intermediate involved.

135 lopeptin, reveals evidence supporting oxo<-->hydroxo tautomerism of the Fe(IV)-oxo species in the non

136 o a cis-H(18)O-Fe(V)=O species, and then oxo-hydroxo tautomerization.

137 (mu-OH)(PIM)(Ph(3)CCO(2))(3)] (4), a hexa(mu-hydroxo)tetrairon(III) complex [Fe(4)(mu-OH)(6)(PIM)(2)(

138 having one single atom bridge (e.g., aqua or hydroxo) together with one or two carboxylate bridges.