ライフサイエンスコーパス: multiple bond

1 oup capable of coordination (heteroatom or a multiple bond).

2 2 constitutes the first s-block metal-oxygen multiple bond.

3 nknown ene-like reactivity of a metal-ligand multiple bond.

4 irst compound with an s-block metal-nitrogen multiple bond.

5 evitably attenuate the reactivity of the M-L multiple bond.

6 e additional two electrons to cleave the N-N multiple bond.

7 acter with some contribution also from a C-P multiple bond.

8 l group is directed trans to the uranium-oxo multiple bond.

9 istal position through interposed conjugated multiple bonds.

10 the gold-catalyzed functionalization of C-C multiple bonds.

11 ends of the DNA to two separate surfaces via multiple bonds.

12 step of Noyori hydrogrogenation reactions of multiple bonds.

13 eophilic addition reactions to carbon-carbon multiple bonds.

14 transformations of unactivated carbon-carbon multiple bonds.

15 everal other relevant complexes featuring UN multiple bonds.

16 g involving mostly examples of metal-element multiple bonds.

17 the transfer hydrogenation of carbon-carbon multiple bonds.

18 tate and sustaining the formation of uranium multiple bonds.

19 al "primed" contact formed from metal-carbon multiple bonds.

20 t rate k(off) for a single bond and also for multiple bonds.

21 racterized compounds containing metal-ligand multiple bonds.

22 pes of transition metal complexes containing multiple bonds.

23 stochastic model involving dissociation from multiple bonds.

24 menes are neutral Al(I) compounds with Al=Al multiple bonds.

25 talysts for the hydroboration of unsaturated multiple bonds.

26 or single bonds and extend the discussion to multiple bonds.

27 tion in asymmetric hydroalkoxylations of C-C multiple bonds.

28 difunctionalization reactions of various C-C multiple bonds.

29 ing 1,3-dianionic allene as a segue into M-C multiple bonds.

30 butadiene systems with conjugated main-group multiple bonds.

31 on deficiency, boron is versatile in forming multiple bonds.

32 ecular interactions through the formation of multiple bonds.

33 s the force to be distributed evenly between multiple bonds.

34 : pi-conjugation through both TM-C and TM-TM multiple bonds.

35 is great interest in studying uranium-ligand multiple bonds.

36 bond lengths, suggestive of actinide-ligand multiple bonding.

37 s ascribed to the cooperation of W-O and W-W multiple bonding.

38 p-block elements is that they participate in multiple bonding.

39 B as a boron(0) complex stabilized by strong multiple bonding.

40 design main-group metal-boron complexes with multiple bonding.

41 s, unambiguously supporting the existence of multiple bonding.

42 ossess a unique propensity to participate in multiple bonding.

43 c structure calculations show some degree of multiple bonding.

44 ations suggested sigma(2)pi(4) polarized U-N multiple bonding.

45 3)C correlations ("INADEQUATE"), single- and multiple-bond (13)C-(1)H correlations, and the conventio

46 e (1)H and (15)N via single bond (1)J(NH) or multiple bond (2-3)J(NH) couplings using heteronuclear s

47 terized by their two strong trans-An-element multiple bonds, a consequence of the inverse trans influ

48 onalization of 2-bromo-N-phenylbenzamide and multiple bond activation pathways.

49 ese newly discovered reactions can construct multiple bonds all at once, converting linear starting m

50 Multiple bonds along a single HA chain rupture sequentia

51 ling direct addition of the amine to the C-C multiple bond, alternative pathways, involving several r

52 spite the burgeoning field of uranium-ligand multiple bonds, analogous complexes involving other acti

53 complex is the first lanthanide(IV)-element multiple bond and involves a twofold bonding interaction

54 ructure of 2a, indicate substantial Co=Si=Co multiple bonding and minimal interaction of the core Si

55 cal differences, for example, differences in multiple bonding and the ability to form penta- and hexa

56 ty with diverse functional groups, including multiple bonds and O/N-benzyl, and cyano groups, which a

57 alizations across the ynamides carbon-carbon multiple bonds and the use of bifunctional reagents in a

58 , thus disclosing non-actinyl transneptunium multiple bonds and transneptunium NHC complexes.

59 nt reactions that enable the construction of multiple bonds and/or stereogenic centres in a single sy

60 stabilization from at least one metal-ligand multiple bond, and departing from this structural motif

61 tances in 4 and 5, indicative of metal-metal multiple bonding, and an unprecedented trigonal monopyra

62 re far fewer uranium-phosphorus and -arsenic multiple bonds, and none for antimony, even in spectrosc

63 molecule, paving the way to long-sought P-N multiple-bonded archetypes.

64 selective additions of alcohols across a C-C multiple bond are particularly underdeveloped, especiall

65 transuranic compounds with one metal-ligand multiple bond are rare, being found only in extended-str

66 Donor-coordinated multiple bonds are a relatively new field of research, b

67 complexes that are stabilized by strong M-P multiple bonds are kinetically persistent and isolable.

68 ulations suggest that these uranium-antimony multiple bonds are more covalent than thorium-antimony c

69 Molecules containing actinide-nitrogen multiple bonds are of current interest as simple models

70 ly authenticated, terminal lanthanide-ligand multiple bonds are rare and expected to be highly reacti

71 Complexes featuring lanthanide-ligand multiple bonds are rare and highly reactive.

72 ation of SN2 reactions for substrates with a multiple bond at Cbeta (carbon adjacent to the reacting

73 results in rapid and efficient reduction of multiple bonds, azides, imines, and nitro groups, as wel

74 nts are subsequently conducted to understand multiple bond behavior.

75 t complex featuring an unsupported, terminal multiple bond between a Ce(IV) ion and a ligand fragment

76 (h)-C80 is the first metallofullerene with a multiple bond between a metal and the central, non-metal

77 The multiple bonding between Ba and N stabilizes the linear

78 The bonding analysis describes multiple bonding between the uranium metal center and im

79 ture, i.e., it requires the establishment of multiple bonds between amino acids of viral glycoprotein

80 Multiple bonds between boron and transition metals are k

81 The capacity of multiple bonds between boron atoms to donate electron de

82 tal-metal bonding, the occurrence of stable, multiple bonds between different transition metals is un

83 Heterometallic multiple bonds between niobium and other transition meta

84 separate the DNA strands but also to disrupt multiple bonds between the protein and DNA.

85 y of f-orbital participation in metal-ligand multiple bonding but has previously eluded characterizat

86 s are ideal models to study elusive actinide multiple bonds, but most of these diatomic molecules hav

87 Whether thermal or electrochemical, C-C multiple bond catalytic hydrogenations commonly involve

88 ions to offer a unique protocol that effects multiple bond changes in a single operation.

89 onally due to the limitations of compressing multiple bonding changes onto a 2-dimensional energy sur

90 resonance structures, some of which possess multiple bond character between tungsten and silicon.

91 onic ground-state calculations indicate a PP multiple bond character in which the terminal phosphorus

92 istance suggest a significant degree of P-Ge multiple bond character that is due to delocalization of

93 Notably, the attenuation of Fe-N multiple bond character through occupying pai*(Fe-N) ena

94 s-bent structure indicate the presence Sn-Sn multiple bond character unlike the related singly bonded

95 ly equal to 1.70 A) suggest substantial Fe-N multiple bond character.

96 a zirconium-nitrogen bond with considerable multiple bond character.

97 bonding interaction combined with modest BO multiple bond character.

98 ribed as an [AsSiNi] nickelacycle with Si-As multiple bond character.

99 Fe(0) centers were also carried out, whereby multiple bonding character is detected in all cases (Wib

100 Multiple bonding character of the E-P bonds was examined

101 complexes suggests that they feature partial multiple-bond character in their Ni-S linkages.

102 The multiple-bond character is confirmed by electronic-struc

103 egrees and 116.02(6) degrees consistent with multiple-bond character with a bond order of up to 1.5.

104 indicating the absence of a copper-nitrogen multiple-bond character.

105 r to the N(2) ligand with generation of Fe-N multiple-bond character.

106 oordinate cationic bismuth centers with C=Bi multiple-bond character.

107 ions revealed for all investigated compounds multiple-bonded character for the M-E(II) linkage, which

108 th the AuX (-) and the XAuX (-) species with multiple bonding characters.

109 Despite a major expansion of uranium-ligand multiple bond chemistry in recent years, analogous compl

110 (2)S(2)O(8) as an oxidant and oxygen source, multiple bond cleavages (N-C(sp), O-SO(3)(-), N-SO(2)R),

111 le quantum coherence (HSQC) or heteronuclear multiple bond coherence are well established and routine

112 tiple Quantum Coherence and 2D Heteronuclear Multiple Bond Coherence spectroscopic analyses to the li

113 rger covalent character of 4f(0)5d(0) Ce(IV) multiple bonds compared to its 5f(0)6d(0) Th(IV) actinid

114 nimum for Si-Si and Ge-Ge, is a diradicaloid multiple-bonding configuration where LP and pi are nomin

115 require the presence of aromatic residues or multiple bond conjugation that characterize conventional

116 -quantum coherence), and HMBC (heteronuclear multiple-bond connectivity) spectroscopy.

117 GH18(N) and cleaves chitooligosaccharides at multiple bonds, consistent with endochitinolytic activit

118 putational studies on these thorium-nitrogen multiple bonds consistently evidences a sigma > pai ener

119 tive characterization required heteronuclear multiple bond correlation (HMBC) NMR and reaction monito

120 e-quantum coherence (HMQC) and heteronuclear multiple bond correlation (HMBC) spectra were obtained.

121 Heteronuclear multiple bond correlation (HMBC) was used to determine t

122 es were determined from 1H-13C heteronuclear multiple bond correlation spectra.

123 equential quantum correlation, heteronuclear multiple bond correlation) analysis identified the paral

124 C HSQC-TOCSY and 2D (1)H-(13)C heteronuclear multiple-bond correlation (HMBC) are routinely used by n

125 ifuga) species as a test case, heteronuclear multiple-bond correlation (HMBC) barcodes were generated

126 nt HMQC in 4 h, and a gradient heteronuclear multiple-bond correlation in 11 h.

127 (1)H-(15)N heteronuclear multiple-bond correlation nuclear magnetic resonance (HM

128 ignments for each regioisomer, heteronuclear multiple-bond correlation spectroscopy was used to assig

129 positive and negative cooperativity between multiple bonds depending on whether the antigen was link

130 e nature of uranium complexes with soft- and multiple-bond-donor ligands.

131 r various functionalization reactions of C-C multiple bonds due to their inherent carbophilic nature.

132 les of Group 14 metal cations containing M=E multiple bonds (E = C, N).

133 t in compounds containing functionalized E=E multiple bonds (E=Si, Ge, Sn, Pb) because of their poten

134 ryl N,N-diethylcarbamates with different C-N multiple bond electrophiles have been thoroughly studied

135 These multiple bonds exhibit a kinetic hierarchy of strengths

136 carbon-carbon J couplings over both one and multiple bonds for each chemical site.

137 onic ones as catalysts for the activation of multiple bonds for organic synthesis.

138 gle-tethered ligand-receptor interactions to multiple bond formation between curved surfaces.

139 Multiple bond formation in a single operation through a

140 nd are attractive compounds for the study of multiple bond formation in f-element chemistry, but only

141 3)RR reactivity to TiN(x), which facilitates multiple bond formation with surface intermediates to pr

142 -substituted benzo[b][1,6]naphthyridines via multiple bond formation.

143 pture force required to break individual and multiple bonds formed between synthetic sialic acid (SA)

144 This multiple bond forming process is carried out on readily

145 platelet is a complex process that involves multiple bonds forming and breaking and is strongly infl

146 New reactions and reagents that allow for multiple bond-forming events per synthetic operation are

147 functional group transformations, including multiple bond-forming processes.

148 The discovery of a multiple-bond-forming process merging the singlet oxygen

149 Multiple bonding geometries for the charged-charged inte

150 te Carlo simulations show that this level of multiple bonding has little effect on parameter estimati

151 tion of boron-X sigma bonds to carbon-carbon multiple bonds has been employed in the preparation of o

152 n metal complexes featuring a metal-nitrogen multiple bond have been widely studied due to their impl

153 ivation energies for HCl addition across the multiple bonds have been calculated.

154 rated C-C bonds and addition to C-heteroatom multiple bonds have been extensively studied.

155 al imido complexes containing metal-nitrogen multiple bonds have been widely used in organometallic c

156 Heavier group 14 multiple bonds have intrigued chemists since more than a

157 s on the developing state of the art in both multiple bond heterofunctionalisation and cross coupling

158 an essential NMR experiment for determining multiple bond heteronuclear correlations in small to med

159 d to modulate the reactivity of metal ligand multiple bonds; however, insight from structure/function

160 atives as pre-catalysts and intermediates in multiple bond hydrogenation, hydrosilylation and hydrobo

161 of the LUMO of the heavier group 13 element multiple bond in comparison with that of a simple alkene

162 rdless of the presence or absence of a Cbeta multiple bond in the SN2 reactant in a series of analogu

163 acute jump in the rolling velocity, proving multiple bonding in the cell surface and the tether surf

164 nvincing evidence for the actinide-chalcogen multiple bonding in the title complexes.

165 The reduction of carbon-carbon multiple bonds in alkynes and olefins supported on a pol

166 ons, is diagnostic for the reactivity of M-N multiple bonds in imido complexes.

167 A number of representative multiple bonds in various steric and electronic environm

168 ides fundamental insights into heavy element multiple bonding, in particular the tension between orbi

169 nyl cations 1d-4d support a degree of Pt-C10 multiple bonding, increasing in the order 3 < 4 < 2 < 1.

170 The model can account for multiple bond interactions necessary to mediate adhesion

171 edded in the soft Bi-Q sublattice, involving multiple bonding interactions and vibration hierarchy.

172 h metal (Ln and group 3) complexes featuring multiple bonding interactions with main-group fragments

173 s exhibit polarized-covalent thorium-arsenic multiple bonding interactions, hitherto restricted to cr

174 Terminal, nondirectional ionic "multiple" bond interactions between group 15 elements an

175 Realization of multiple bonding involving the 2s elements, however, is

176 nuclear fuels and as probes of metal ligand multiple bonding involving the f-block actinide metals.

177 compounds containing homo- or hetero-nuclear multiple bonds involving s-block elements is extremely r

178 Although the chemistry of uranium-ligand multiple bonding is burgeoning, analogous complexes invo

179 ations in terms of the nature of metal-metal multiple bonding is discussed.

180 Although uranium-nitrogen multiple bonding is well developed, there are far fewer

181 However, although polar covalent metal-metal multiple bonding is well known for the d and p blocks, i

182 The catalytic hydroamination of C-C multiple bonds is a reaction with complete atom efficien

183 Cycloaddition of silane across the ReX multiple bonds is not observed.

184 on, the addition of an N-H bond across a C-C multiple bond, is a reaction with a great synthetic pote

185 in the activation of small molecules bearing multiple bonds leading to [2.2.1]bicyclic heterocycles.

186 Here we demonstrate the retrieval of multiple bond lengths from a polyatomic molecule by simu

187 ily of uranium(VI) dianions bearing four U-N multiple bonds, [M]2[U(NR)4] (M = Li, Na, K, Rb, Cs).

188 arious alcohols over the simple arylation to multiple bond (Meerwein arylation-elimination) reaction.

189 erestingly, very rare examples of main group multiple bond metathesis reactions are also found to be

190 sment of Np(III)=C reactivity has introduced multiple bond metathesis to transuranium chemistry, exte

191 In a multiple-bond metathesis reaction, the triazacyclononane

192 Homodinuclear multiple-bonded neutral Al compounds, aluminum analogues

193 c development of pai-orbitals around the M-N multiple bond of the imido moiety, with a larger double-

194 ee categories: (1) addition of Fe-H across a multiple bond of the substrate, (2) reductive eliminatio

195 s proposed that it involves direct single or multiple bonding of one or more C atoms to one or more A

196 t is the net activation of the P-C and Si-Si multiple bonds of the precursors affording a heteroatomi

197 Multiple bonds of unsaturated organic molecules also und

198 A mild and improved method for reducing multiple bonds on various resins with diimide is describ

199 to a handful of examples of heavier p-block multiple bonds (P P, Ge Ge, and E E, E = Ge, Sn, Pb).

200 ophiles to add directly to the metal--ligand multiple bond rather than binding to the metal first and

201 ium-mono(oxo) triple bonds or other actinide multiple bonds reported so far.

202 smoothly transitions between our single and multiple bond results, we conclusively demonstrate that

203 nds-even stronger than the known gold-carbon multiple bonds, revealing an inverse correlation between

204 of CID experiments enhances the abundance of multiple bond ruptures important for a complete understa

205 The challenging issue of generating multiple bond scissions regiochemically within the fulle

206 Although the aminoperoxide cores undergo multiple bond scissions, this cascade is atom-economical

207 e is transferred from the surrogate onto C-C multiple bonds such as alkynes and allenes without the i

208 tation of force spectroscopy measurements in multiple bond systems.

209 ed C2O1 fragments and demonstrating that the multiple bonded terminal Mo identical withC moiety is an

210 3), which possesses a highly polarized Fe-Sn multiple bond that involves interaction of the tin lone

211 3), which possesses a highly polarized Fe-Sn multiple bond that involves interaction of the tin lone

212 the 1,2-difunctionalization reactions of C-C multiple bonds that have been realized by the interplay

213 phile attacks a gold-activated carbon-carbon multiple bond to give an alkenyl Au intermediate, notwit

214 lts in the unprecedented cleavage of the C-N multiple bond to give, after rearrangement, the carbene-

215 continued burgeoning interest in metal-metal multiple bonding to further our understanding of chemica

216 nic molecules is one such case that requires multiple bonds to break and form.

217 thorium, under ambient conditions only a few multiple bonds to carbon, nitrogen, oxygen, sulfur, sele

218 thorium, under ambient conditions only a few multiple bonds to carbon, nitrogen, phosphorus and chalc

219 o readily react with small molecules bearing multiple bonds to give [2.1.1]bicyclic species.

220 selenium and tellurium are reported, and no multiple bonds to phosphorus are known, reflecting a gen

221 es the reactivity of iron-borne metal-ligand multiple bonds to promote the direct amination of alipha

222 Certain ligands form multiple bonds to uranium, and small, inert molecules su

223 ed significantly by increasing the number of multiple bonds to uranium, as demonstrated by a family o

224 loyed repeatedly for the transfer of heavier multiple bonds to yield low-valent group 14 compounds wi

225 us introducing polar covalent actinide-metal multiple bonding under normal experimental conditions be

226 ibrated Huckel calculations hints that Fe-Fe multiple bonding underlies these short distances.

227 egy for isolating terminal lanthanide-ligand multiple bonds using cerium(IV) complexes.

228 tion of formic acid and hydrogenation of C-C multiple bonds using H2 formed in situ.

229 ote the addition of apolar sigma-bonds to CC multiple bonds via a 2e redox sequence and draw thereby

230 t identifying reactivity descriptors for M-N multiple bonds, we herein explore solid-state (15)N NMR

231 Multiple bond weakening by the addition of strong pi don

232 till contain a considerable number of hidden multiple bonds, which are experimentally indistinguishab

233 nd substantial polarization of the substrate multiple bond with significant positive charge buildup a

234 halides constitute the major part of heavier multiple bonds with a functional group in allylic positi

235 ry, the study of peripherally functionalised multiple bonds with heavier group 14 elements is already

236 organoazides easily to form uranium-nitrogen multiple bonds with the release of dinitrogen.

237 about a decade the compatibility of heavier multiple bonds with various functional groups has moved

238 Photogeneration of reactive M-L multiple bonds within crystalline matrices supports dire

239 h effects and on the number and locations of multiple bonds within the molecule.

240 ctants, and may enable nitrogenase to reduce multiple bonds without unreasonably low redox potentials