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1 the metal (via heterolytic cleavage of an M-H bond).
2 pable of direct insertion into an aromatic C-H bond.
3 th appear to operate through scission of a C-H bond.
4 y rate-determining elimination of the beta-C-H bond.
5 elative to activation of a beta-amino C(sp3)-H bond.
6 e insertion of an ester or amide into the Cu-H bond.
7 ition metal followed by insertion into the C-H bond.
8 active sites achieve activation of strong C-H bonds.
9 taining alkyl, allyl, benzyl and propargyl C-H bonds.
10 m transfer likely predominate for stronger C-H bonds.
11 tioenriched amine precursors from abundant C-H bonds.
12 described as strong oxidants that activate C-H bonds.
13 orporate fluoride ions directly into alkyl C-H bonds.
14 ich enables the C3-selective borylation of C-H bonds.
15 selectively cleaves sterically unhindered C-H bonds.
16 lex (1) that is highly reactive with sp(3) C-H bonds.
17 rameters to differentiate between multiple C-H bonds.
18 pient of electrons released upon breaking Fe-H bonds.
19 s here include C(sp)-H, C(sp2)-H, and C(sp3)-H bonds.
20 benzylic, allylic, and propargylic C(sp(3) )-H bonds.
21 t inability to measure processes involving C-H bonds.
22 or blocked, borylation of strong secondary C-H bonds.
23 llography and capable of activating strong C-H bonds.
24 atom bonds by directly engaging ubiquitous C-H bonds.
25 e the silylation of aromatic and aliphatic C-H bonds.
26 ted via amination of C(sp(3))-H and C(sp(2))-H bonds.
27 f the iridium-catalyzed silylation of aryl C-H bonds.
28 substrates featuring multiple activatable C-H bonds.
29 steric effect, including pai-conjugation and H-bonding.
30 Y is significantly reduced in networks with H-bonding.
31 cular structure stabilized by intermolecular H-bonding.
35 es reveal that the imidazole core acts as an H-bond acceptor for the catalytic lysine (K745) in the "
37 onds of other reagents, as well as O-H and C-H bonds, across unactivated internal alkenes to streamli
39 zymes highlights their ability to catalyze C-H bond activation and functionalization, in many cases,
40 nters bearing nitriles by cobalt-catalyzed C-H bond activation and sequential addition to internally
42 re mutants indicate that the efficiency of C-H bond activation directly correlates with the Mn/Fe cof
43 for the 5'-dAdo* that can allow selective X-H bond activation in both radical SAM and adenosylcobala
44 rom the experimental outcome, showing that C-H bond activation is irreversible and not the rate-deter
45 2-arylpyridines with aryl isocyanates via C-H bond activation is less efficient than described previ
46 nal investigations suggest that the C(sp(3))-H bond activation is the rate-limiting step for both the
48 nverse sandwich imide complex arising from C-H bond activation of toluene, [{((Me(3)Si)(2)N)(2)U(THF)
53 cyclotrimerization, C-O bond cleavage, and C-H bond activation, are triggered on demand, leading to p
54 he Suzuki-Miyaura cross-coupling reaction, C-H bond activation, dehydrogenative coupling, Huisgen 1,3
55 ation of benzylamines and nitriles via C-H/N-H bond activation, providing straightforward atom-econom
56 d sigma-bond metathesis pathway for C(sp(2))-H bond activation, which is further discussed in this st
59 e.g., petroleum) by inert carbon-hydrogen (C-H) bond activation using classical chemical methods (i.e
61 selective functionalization of the C(sp(3))-H bond adjacent to the pyridine ring of pharmacologicall
62 ctively functionalize benzylic and allylic C-H bonds, affording a broad scope of enantioenriched prim
64 s alkyl carboxylic acids, benzylic C(sp(3) )-H bonds also could be functionalized to form 3,4-dihydro
65 ridine) displays productive intramolecular C-H bond amination to afford N-heterocyclic products using
66 s to utilize the distance between a target C-H bond and a coordinating functional group, along with t
67 nable fluorination of allylic and benzylic C-H bonds and alpha-C-H bonds of ethers at room temperatur
69 carbamate esters bearing gamma-propargylic C-H bonds and furnishes versatile products in good yields
71 i-GMP dimer is tightly bound by a network of H bonds and pai-stacking interactions involving arginine
72 reagent, undirected borylation of primary C-H bonds and, when primary C-H bonds are absent or blocke
75 e self-assembly in water by a combination of H-bonding and hydrophobicity and to impart specific resp
76 verall binding by both creating strong ionic H-bonds and changing the secondary H-bonds from unfavora
77 UDP-GlcUA, whereby the side chain of Arg259 H-bonds and forms a salt bridge with the carboxylate gro
78 r-protic solvent combinations to disrupt the H-bonds and hydrophobic interactions holding together th
80 valent interactions, such as hydrogen bonds (H-bonds) and electrostatic interactions; however, there
81 ic center on the TDG is often far from the C-H bond, and both TDG covalently attached to the substrat
83 cluding Watson-Crick base pairing, Hoogsteen H-bonding, and pai-pai stacking, resulting in unusual su
84 by its sensitivity to the protonation state, H-bonding, and the conformation of different groups in p
86 ion of primary C-H bonds and, when primary C-H bonds are absent or blocked, borylation of strong seco
91 to the stereospecific functionalization of C-H bonds, are employed to generate structural diversity.
94 m shows that Ni does not cleave the C(sp(3))-H bonds as previously proposed; rather, it catalyzes the
95 g multiple functionalities from ubiquitous C-H bonds, as showcased with stereoselective construction
96 functionalization, discrete activation of C-H bonds at Ni(I) complexes has rarely been described.
97 g palladium-catalyzed oxidation of primary C-H bonds beta to nitrogen in an imine of an aliphatic ami
98 amic reflecting a weakening and restoring of H bonds between bound water and the secondary OH of beta
99 copy experiments that reveal the presence of H bonds between the chloroform C-H group and an amide ca
103 the enantioselective functionalizations of C-H bonds by chiral iridium complexes with emphasis on the
105 proposed to effect the cleavage of strong C-H bonds by nonheme diiron enzymes such as soluble methan
106 on transfer induced proton transfer across a H-bond can be used to significantly strengthen the overa
108 particular, the detection of protonation and H-bonding changes in a time-resolved manner, not easily
109 lly relied on precious-metal catalysts for C-H bond cleavage and, as a result, display high selectivi
111 ts, which indicated that the gamma-C(sp(3) )-H bond cleavage is the rate-limiting step during the rea
112 ed suggest that the initial allenic C(sp(3))-H bond cleavage is the rate-limiting step, which was sup
114 ns are typically required to enable C(sp(3))-H bond cleavage, barring potential applications in synth
115 ial allene attack involving allenic C(sp(3))-H bond cleavage, but it also induces a face-selective re
116 In this work, we demonstrated that the C-H bond cleaving reactivity of 1 can be further enhanced
119 focus, however, has been mostly reserved for H-bonds comprising a single donor and a single acceptor.
120 e potentially due to the pre-organization of H-bonding containing monomer during network curing.
121 osed to separate the direct (solute-network) H-bonding contribution to solute diffusion from the indi
122 udies of peripherally NBN-doped PAHs to form H-bonded DD.AA- and ADDA.DAAD-type complexes with suitab
123 ing constants of the two competing allylic C-H bonds (Delta(1)J(CH)) and the C-H activation barriers
124 w strategy to create highly redox-responsive H-bond dimers based on proton-coupled electron transfer
128 ms a well-ordered 10/12-helix with alternate H-bond directionality in spite of the smallest value of
131 ation states toward substrates with modest O-H bond dissociation energies (e.g., 4-substitued-2,6-di-
132 easured reduction potential and pK(a), the O-H bond dissociation free energy (BDFE) of hydroperoxide
134 ntiodetermining delivery of bromide from the H-bond-donor (HBD) catalyst to the activated oxetane.
135 sic spatial scale, we investigated ultrafast H-bond dynamics between water and biomimetic self-assemb
136 nature and meso- and microscopic ordering of H-bond dynamics could contribute to the flexibility and
138 edly different dynamics, suggesting distinct H-bond environments, despite being separated by only a f
139 ion of less activated allylic and benzylic C-H bonds even in the presence of electronically preferred
140 rium oxidative addition of the amine alpha-C-H bond followed by rate-determining elimination of the b
141 may occur via substrate insertion into the M-H bond, followed by P-C reductive elimination, or by ins
142 tive functionalization of racemic tertiary C-H bonds for stereoselective construction of chiral molec
143 termolecular diarylcarbene insertion into Si-H bonds for the synthesis of silicon-stereogenic silanes
144 vation, isobutene elimination, and C-C and P-H bond formation bicyclic 1-benzo-dihydrophosphetes (2)
145 witching between homolytic and heterolytic H-H bond formation pathways through molecular engineering,
146 rane helices have at least one non-canonical H-bond formed by a serine or threonine residue whose hyd
150 study underlines the development of C(sp(3))-H bond functionalization chemistry that should find wide
154 plify access to such materials through the C-H bond functionalization of feedstock alicyclic amines,
155 in the field, methods for the direct alpha-C-H bond functionalization of unprotected alicyclic amines
157 e iridium-catalysed borylation of aromatic C-H bonds has become the preferred method for the synthesi
158 double functionalization of vicinal sp(3) C-H bonds has been developed, wherein a beta amine and gam
163 lectron transfer (MS-CPET) activation of a C-H bond in a proof-of-concept fluorenyl-benzoate substrat
164 inference that hole-driven scission of the O-H bond in H(2) O is a critical, limiting step in plasmon
165 key in assisting the cleavage of the meta-C-H bond in the concerted metalation-deprotonation (CMD) p
166 oduces a covalent modification at a C(sp(3))-H bond in the methyl group of N6-methyl deoxyadenosine a
167 ty to differentiate between highly similar C-H bonds in a given molecule remains a fundamental challe
168 regioselective halogenation of unactivated C-H bonds in bacteria, they remain uncharacterized in the
170 zoyloxy radical derived from mCPBA cleaves C-H bonds in the alkane to form an alkyl radical, which su
172 f strong, typically inert carbon-hydrogen (C-H) bonds in organic molecules is changing synthetic chem
173 tor potency, confirming the role of the K745 H-bond in potent, noncovalent inhibition of the C797S va
175 t capitalizes on the importance of secondary H-bonds in determining overall binding strength in H-bon
177 ed to the electronic properties of allylic C-H bonds indicated by the corresponding (1)J(CH) coupling
178 acceptors (-F, -Cl, -Br, -OR) establish the H-bonding interaction strength for the -CF(2)H group (~3
179 he number of OH functions and their inherent H bonding interactions, but also the wide range of polyo
183 of the mu-OH(-) ligands and the presence of H-bonding interactions between the mu-OH(-) bridging lig
184 r pocket" stitches the gelators through weak H-bonding interactions to facilitate the formation of an
185 1,10-phenanthroline provides highly directed H-bonding interactions with Pd-coordinated substrates.
188 activation' strategies that convert inert C-H bonds into C-metal bonds prior to C-C bond formation.
189 en-bonded silver complex in which a single C-H bond is exposed to the catalytic reaction center.
192 mental studies showed that cleavage of the C-H bond is rate-limiting and formation of the strained fo
193 ond activation for substrates in which the C-H bond is weak, while stepwise carboxylate oxidation and
194 e of strong C-O bonds without breaking C-C/C-H bonds is a key step for catalytic conversion of renewa
197 presence of more activated benzylic C(sp(3))-H bonds is often a nontrivial, if not impossible task.
202 termediates formed from native sulfonamide N-H bonds leading to 1,4-cyclohexadiene-fused sultams.
204 steric and electronic differences between C-H bonds located distal to functional groups has prevente
207 e amplitudes and/or timescales of backbone N-H bond motions, corresponding to a rigidification of the
210 ular dynamics is dominated by either complex H-bonded networks most probably leading to supramolecula
211 mperatures, transient tetrahedral domains of H-bonding networks are evidenced and the observation of
212 ylation and alkylation of alpha-amino C(sp3)-H bonds occurs via the sequence of nickel oxidation stat
214 amples occur by the direct addition of the N-H bond of amines across unactivated internal alkenes(5-7
215 oamination of alkenes, the addition of the N-H bond of an amine across an alkene, is a fundamental, y
216 l C atom of the P=C=C group into the alpha-C-H bond of an iPr substituent and by C-C and P-C bond for
218 cient catalytic method to convert an alpha-C-H bond of N-alkylamines into an alpha-C-alkynyl bond was
221 reactive and undergoes 1,2-addition of the C-H bond of the N(SiMe(3))(2) ligand across the uranium-ni
223 ated that activation of a alpha-amino C(sp3)-H bond of the substrate is facile and selective relative
224 propylphosphino)xanthene) coordinates the Si-H bond of triethylsilane, 1,1,1,3,5,5,5-heptamethyltrisi
225 Furthermore, 2-trans oxidizes the aromatic C-H bonds of 2,6-di-tert-butylphenol, which, together with
226 direct monoarylation of unactivated C(sp(3))-H bonds of 8-methyl quinolines with arylboronic acids to
229 iscrimination between the two enantiotopic C-H bonds of an unactivated methylenic group is particular
230 symmetrical functionalization of both o,o'-C-H bonds of arene moiety is explicitly viable under the i
234 rinciples point the way to the addition of N-H bonds of other reagents, as well as O-H and C-H bonds,
235 r functionalization of the alpha-methylene C-H bonds of these highly privileged building blocks is of
236 lization at the most sterically accessible C-H bonds of these rings under conditions that the borylat
237 actions at one of the two carbon-hydrogen (C-H) bonds of a methylene group, tertiary stereocentres co
238 In this context, distinguishing remote C-H bonds on adjacent carbon atoms is an extraordinary cha
239 volving the intramolecular coupling of two C-H bonds on gem-dialkyl groups has remained an elusive tr
244 ilities to design novel materials, where the H-bonding properties of peripheral NH hydrogens could se
245 site-selective functionalization of C(sp(3))-H bonds provides the basis for efficient three-dimension
246 ansformation of a traditionally unreactive C-H bond, proximal to the nitrogen atom, into a versatile
247 posed to facilitate the oxidation of inert C-H bonds, reactions that are unknown for histidine-ligate
252 ive functionalizations of carbon-hydrogen (C-H) bonds represent a promising pathway toward this goal.
253 polymerization selectively grafting from a C-H bond represents a powerful strategy for polymer conjug
254 0)xxxS(44)xxxG(48)) together with a patch of H-bonding residues (T(51), T(54), N(55)) sideways along
255 -linked thioether bond is accompanied by a C-H bond scission on Tyr272 with few details known thus fa
259 lizes multiple noncovalent interactions like H-bonding, solvent bonding, S-H...pai, C-H...pai, pai-pa
260 to microscopic diffusivity, arising from the H-bond strength of the co-monomers, also contribute sign
261 ries of polyacrylate networks with differing H-bonding strength were undertaken; it was found that th
266 ous in nature, yet the demonstration of weak H bonds that occur between a highly polarized C-H group
267 etrahydrofuran for substrates with O-H and N-H bonds that undergo 1e(-)/1H(+) and 2e(-)/2H(+) redox p
268 e the prevalence and energetics of multiplex H-bonds that are formed between three or more groups.
269 These proteins contain a continuous chain of H-bonds that impart stability, causing difficulty in dig
270 by direct homolytic activation of alcohol O-H bonds through a proton-coupled electron-transfer mecha
271 vdW interactions do not allow H(2)O-diester H-bonding, thus forcing nBA side groups to adapt L-shape
272 veraging the reactivity of benzylic C(sp(3))-H bonds to achieve reactivity at the homobenzylic positi
273 )J(NH...F(-)) give insight into how multiple H bonds to fluoride influence reaction performance.
275 ionization of the nucleophilic l-Tyr37, now H-bonded to l-Lys47, resulting from repositioning of l-L
276 threonine residue whose hydroxyl side chain H-bonds to an over-coordinated carbonyl oxygen at positi
277 he fluorination and chlorination of remote C-H bonds under exceptionally mild conditions with exceedi
280 ermal stability, 2 is able to cleave sp(3) C-H bonds up to 87 kcal/mol to afford rate constants and k
282 polymerization selectively from a hydridic C-H bond using a benzophenone photocatalyst, a trithiocarb
283 inducing C-H functionalization at tertiary C-H bonds versus their triaryl counterparts but are genera
284 s was found to facilitate the formation of N-H bonds via proton-coupled electron transfer to generate
285 This report presents the oxygenation of C-H bonds via the merger of photocatalysis and Pd catalysi
287 ontain up to eight discrete alpha-ethereal C-H bonds, we observed site-selectivity in each case, prom
291 lysed oxidative cross coupling of benzylic C-H bonds with alcohols to afford benzyl ethers, enabled b
292 or copper-promoted chalcogenation of sp(2) C-H bonds with aryl and alkyl disulfides as well as diphen
293 yze the direct primary amination of C(sp(3))-H bonds with excellent chemo-, regio-, and enantioselect
294 t showcases high chemoselectivity favoring C-H bonds with lower bond dissociation energy as well as a
295 gs under conditions that the borylation of C-H bonds with previously reported catalysts formed mixtur
296 ndole congeners was found to form a stronger H-bond with Leu300 of AR and to render larger rotational
298 fluoride, within 3, occurs through NH...F(-) H-bonding with the six NH residues of the tris-urea liga
299 structural features, such as steric fit and H-bonding within the active site for proper alignment wi
300 he undirected functionalization of primary C-H bonds without competing functionalization of secondary