ライフサイエンスコーパス: heteroatom

1 e., the presence of a heteroatom-hydrogen or heteroatom).

2 roups, while the latter is controlled by the heteroatom.

3 s with strained rings and ketones with alpha-heteroatoms.

4 nd groups or molecules containing main-group heteroatoms.

5 ion of alkyl groups of substrates containing heteroatoms.

6 ganometallic complexes stabilized by vicinal heteroatoms.

7 and a higher fraction of formulas containing heteroatoms.

8 olecular formulas with a different number of heteroatoms.

9 in these five-membered heterocycles with two heteroatoms.

10 and the shared hydrogen equidistant from the heteroatoms.

11 al graphene lattice with p- or n-type dopant heteroatoms.

12 MS/MS), enabling ultratrace determination of heteroatoms.

13 Additionally, this unique heteroatom activation was capable of accelerating the ra

14 , such as direct acylation, ortho acylation, heteroatom acylation, and a diversity of cyclization rea

15 oxidative versions based on C-H activation, heteroatom alkylation/arylation and annulation processes

16 ectrophiles and a wide range of conventional heteroatom and carbon nucleophiles catalysed by a metall

17 The enantioselective construction of carbon-heteroatom and carbon-carbon bonds that are alpha to ket

18 It was found that the nature of the heteroatom and chirality of the auxiliary greatly influe

19 etrahydrofuran and pyridine protonate at the heteroatom and consequently undergo only one H/D exchang

20 rconjugative interactions between endocyclic heteroatom and the sigma* acceptor orbitals of the C-M b

21 al and theoretical study shows that both the heteroatom and the substitution pattern impact the optic

22 The effect of the heteroatoms and a plausible mechanism are discussed.

23 icon can also be introduced to replace other heteroatoms and can act as a surrogate of functional gro

24 So far, their edges, dopant heteroatoms and defects have been intensively explored a

25 dation challenges due to the large number of heteroatoms and fully substituted carbons.

26 ectrolytes bear charge formally localized on heteroatoms and lack broad modularity to tune their phys

27 The effects of tether length, heteroatoms, and alkynyl dienophiles on reactivity were

28 nds containing chlorine, bromine, and sulfur heteroatoms are easily determined.

29 the compounds containing oxygen and nitrogen heteroatoms are highly planar and engage in pai-stacking

30 ifferences in the electronegativities of the heteroatoms are largely responsible for the differences

31 airs in a pair of neutral directly connected heteroatoms are not raised in energy to become stronger

32 two variously located oxygen and/or nitrogen heteroatoms, as a way to determine which, if any, are ps

33 ing Lewis acid siting by the placement of Ga heteroatoms at distinct tetrahedral sites in the zeolite

34 Reactions with heteroatom-based electrophiles require special reagents

35 before the first cross-coupling reaction of heteroatom-based electrophiles was reported.

36 of the scope of the substitution to various heteroatom-based functionalities, providing a unified ol

37 ivalents for the alkynylation of carbon- and heteroatom-based nucleophiles.

38 eoselectivities of the attack of carbon- and heteroatom-based radicals at each of the three potential

39 our previous Li-NH(3)-based method, loss of heteroatom-based substituents (X) on the aromatic ring d

40 able isotope analysis (CSIA) of hydrogen for heteroatom-bearing (i.e., N, Cl, S) compounds has been a

41 ing the routine measurement of more than 500 heteroatom-bearing organic samples spanning a delta(2)H

42 s brought to life when the buttressing alpha-heteroatom bears a negative charge.

43 pling reactions for carbon-carbon and carbon-heteroatom bond formation are of great importance in mod

44 in Cu-catalyzed (anaerobic) oxidative carbon-heteroatom bond formation on sp(3)- and sp(2)-C-H bonds

45 and Ni(IV) species, in oxidatively induced C-heteroatom bond formation reactions.

46 complex offers an opportunity to probe the C-heteroatom bond formation reactivity of high-valent Ni c

47 e a GO-catalyzed carbon-carbon or/and carbon-heteroatom bond formation strategy to functionalize prim

48 ynthetic method for carbon-carbon and carbon-heteroatom bond formation.

49 bly through several carbon-carbon and carbon-heteroatom bond formations taking place in one pot.

50 partners, the scarcity of metal-catalyzed C-heteroatom bond formations via C-OMe cleavage is strikin

51 significant step forward for designing new C-heteroatom bond formations via C-OMe scission.

52 bonds, many C(sp(3))-H activation/C-C and C-heteroatom bond forming reactions have been developed by

53 and stereoselective carbon-carbon and carbon-heteroatom bond forming reactions with ynamides have bee

54 The inherently weak O-heteroatom bond in the oxidant enables the versatile rea

55 e carbocatalyst for the generation of carbon-heteroatom bond leading to quinazolinone derivatives and

56 ne of the most used carbon-carbon and carbon-heteroatom bond-forming reactions in chemical synthesis.

57 unctionalization in carbon-carbon and carbon-heteroatom bond-forming reactions, these have numerous c

58 leveraged for both carbon-carbon and carbon-heteroatom bond-forming reactions.

59 amide C-N bond, with formation of a C-C or C-heteroatom bond.

60 ctions devoted to the formation of C-C and C-heteroatom bonds (Ullmann-type couplings) have acquired

61 e elimination reactions to form new C-C or C-heteroatom bonds and are also competent catalysts for Ku

62 n either the formation or cleavage of carbon-heteroatom bonds are among the most important processes

63 -catalyzed transformations that forge carbon-heteroatom bonds are of central importance in organic sy

64 ents recent amination methods using nitrogen-heteroatom bonds as a powerful and versatile platform to

65 of a wide range of carbon-carbon and carbon-heteroatom bonds at previously inaccessible positions of

66 ial role in forging carbon-carbon and carbon-heteroatom bonds by directly engaging ubiquitous C-H bon

67 simultaneous formation of C-CF3 and C-C or C-heteroatom bonds by formal addition reactions across pi-

68 able strategy to forge challenging C-C and C-heteroatom bonds for complex organic molecules in a sust

69 lopment of methods for the construction of C-heteroatom bonds has lagged; for example, there have bee

70 tion to generate new carbon-carbon or carbon-heteroatom bonds in a wide range of substrates.

71 the construction of carbon-carbon and carbon-heteroatom bonds in organic synthesis.

72 cing metals or strong organic bases), carbon-heteroatom bonds or relatively acidic carbon-hydrogen (C

73 cause of its unique ability to cleave carbon-heteroatom bonds that are unreactive towards other trans

74 This strategy enables us to form carbon-heteroatom bonds through the electroreduction of CO, exp

75 ism which exploits the reactivity of gold(I)-heteroatom bonds to form sulfinate anions.

76 s them directly into carbon-carbon or carbon-heteroatom bonds without requiring any prior functionali

77 or the formation of carbon-carbon and carbon-heteroatom bonds.

78 by the formation of one or more new C-C or C-heteroatom bonds.

79 t methodology for the formation of C-C and C-heteroatom bonds.

80 tion of challenging carbon-carbon and carbon-heteroatom bonds.

81 for construction of carbon-carbon and carbon-heteroatom bonds.

82 the construction of carbon-carbon and carbon-heteroatom bonds.

83 ern synthesis for the formation of C-C and C-heteroatom bonds.

84 DX-MS approach allows for labeling of sites (heteroatom-bound non-amide hydrogens located on side-cha

85 us carbon allotropes doped with a variety of heteroatoms can be utilized for cost-effective mass prod

86 ctionalization strategy for the formation of heteroatom-carbon bonds.

87 ds to derivatize fluoroarenes exist that use heteroatom centered nucleophiles, there are fewer method

88 lving highly reactive intermediates, such as heteroatom-centered radicals.

89 ted data, it is then visualized according to heteroatom class, carbon number, double bond equivalents

90 on the distribution and abundance of various heteroatom classes.

91 The choice of the heteroatom combinations in various SNO-OCTs significantl

92 pport categorization of UVCBs based on their heteroatom composition and how such data can be used in

93 Shifts in the heteroatom composition suggest that microbial processes

94 to give further insight on the reactivity of heteroatom containing keteniminium systems toward electr

95 rically demanding, functionalized as well as heteroatom containing monomers but also, for the first t

96 characterization of the reduced products of heteroatom-containing buckybowl molecules.

97 as a unique approach to building polycyclic heteroatom-containing frameworks.

98 , including alkenes, heterocycles, and other heteroatom-containing groups.

99 eous analysis of saturated, unsaturated, and heteroatom-containing hydrocarbons.

100 o investigate the hydroxylation mechanism of heteroatom-containing molecules by this group of enzymes

101 ron-, carbon-, nitrogen-, oxygen-, and other heteroatom-containing nucleophiles, as well as radicals.

102 Heteroatom-containing organic molecules are of particula

103 t involves visible-light activation of small heteroatom-containing organic molecules-arenophiles-that

104 C-H activation of heteroatom-containing organics has often been approached

105 Synthetic routes for heteroatom-containing polycyclic aromatic hydrocarbons (

106 t a modular synthetic strategy for accessing heteroatom-containing polycyclic aromatic hydrocarbons (

107 The heteroatom-containing porphyrin analogues or core-modifi

108 Three H-PAHs, including heteroatom-containing rubicenes (H-rubicenes), angular-b

109 n of vinyl cation C-H insertion reactions to heteroatom-containing substrates.

110 are demonstrated for several COFs, including heteroatom-containing systems of interest for optoelectr

111 ocarbons with different macrocycle sizes and heteroatom content have been prepared by atom-precise or

112 cts of crosslinkers, polymer microstructure, heteroatom control, and effects of nanostructuring.

113 We find that heteroatoms could provide additional defect sites for en

114 Boron clusters and their heteroatom counterparts belong to the family of cage com

115 tc.) such as nitrene insertions or C-C and C-heteroatom coupling reactions.

116 n the development of nickel-catalyzed carbon-heteroatom coupling reactions.

117 catalytic transformations such as C-C and C-heteroatom cross-coupling and C-H functionalization but

118 l paradigm in photoredox Ni-catalyzed carbon-heteroatom cross-coupling reactions through a strategy t

119 which enables broad compatibility of carbon-heteroatom cross-coupling reactions with sensitive subst

120 external oxidant-free Au(I)-catalyzed carbon-heteroatom cross-coupling reactions.

121 a wide array of challenging C-C and C-X (X = heteroatom) cross-coupling reactions.

122 the interconversion of TEA(+) in solution, a heteroatom-dependent (Al, B, Co, Mn, Ti, Zn) distributio

123 N, S, P, and Se functionalities to yield 1,2-heteroatom-difunctionalized arenes.

124 en achieved through a highly stereoselective heteroatom-directed conjugate addition reaction and cycl

125 s show that C-H activation can proceed via a heteroatom-directed process that involves displacement o

126 ffect, whereby the coordination to the basic heteroatom directs the reactive metal center to a specif

127 rate that synthetic methods that enhance the heteroatom diversity of boron-containing molecules withi

128 The heteroatom dopant plays an indispensable role in the act

129 As-prepared heteroatom doped carbons exhibited superior electrocatal

130 , more active and more stable catalysts like heteroatom-doped carbon based non-precious metal materia

131 ticular, the electrolyte cations adsorbed on heteroatom-doped carbon can effectively inhibit hydrogen

132 urthermore, the reduced adsorption energy of heteroatom-doped carbon consequently leads to more store

133 among all reported transition metal- and/or heteroatom-doped carbon electrocatalysts and is even sup

134 the advancements made on the development of heteroatom-doped carbon materials, their general propert

135 y a size-specific imprinted polymer embedded heteroatom-doped carbon nanodots (CNDs) decorated at the

136 (ORR/OER) catalytic activities of p-orbital heteroatom-doped carbon nanomaterials are demonstrated t

137 Heteroatom-doped carbon nanomaterials have proven to be

138 equently leads to more stored cations on the heteroatom-doped carbon surface, thus yielding a boosted

139 D porous carbon-based nanomaterials, such as heteroatom-doped carbon, metal-nitrogen-carbon nanostruc

140 ding the origin of boosted charge storage on heteroatom-doped carbons, none of the present studies ha

141 rent shaped (spherical, rod, and sea-urchin) heteroatom-doped fluorescent carbon nanoparticles (CNPs)

142 segments along the zigzag edges, that is, a heteroatom-doped perihexacene 1.

143 gues successfully produced the unprecedented heteroatom-doped peritetracenes, which opened up a new a

144 an NBN atomic triad allows the formation of heteroatom-doped polycyclic aromatic hydrocarbon (PAH) i

145 ngs support the notion that pai-extension of heteroatom-doped polycyclic aromatic hydrocarbons is an

146 We report a new class of high-density heteroatom-doped porous carbon that can be used as an aq

147 Carbon-based heteroatom-doped, 3D, and mesoporous electrodes are very

148 p and low-cost way to synthesize egg-derived heteroatoms-doped mesoporous carbon (EGC) catalysts util

149 he abundance of carbon sources, varieties of heteroatom doping (such as N, S, P) and good biocompatib

150 he number of catalytic edge sites, porosity, heteroatom doping and electrical conductivity.

151 ctures of the resulting GNRs, especially the heteroatom doping and heterojunctions.

152 ginate from a synergistic effect of the N, S heteroatom doping and unique SHG architecture, which pro

153 ysical and chemical properties together with heteroatom doping dictate the electrochemical catalytic

154 the metal-support interaction, size effect, heteroatom doping effect, phase transformation, degradat

155 nstrated to be a much more facile method for heteroatom doping into Au25(SR)18, as observed by doping

156 hierarchically porous graphitic carbon with heteroatom doping not only provides suitable spaces for

157 oretical simulation, it is demonstrated that heteroatom doping not only results in a broadened operat

158 tems which lowers their conductance, and via heteroatom doping of fullerene, which introduces transpo

159 hough methods for a periodic perforation and heteroatom doping of graphene sheets have been developed

160 es through structural modifications, such as heteroatom doping or the incorporation of non-benzenoid

161 negative from that of the carbon atom (i.e., heteroatom doping) to modulate the charge distribution o

162 even- or eight-membered rings, (3) selective heteroatom doping, and (4) direct edge functionalization

163 vering much of the periodic table, eccentric heteroatom doping, and bridge expansions.

164 Various doping strategies, including heteroatom doping, charge-transfer doping, and defective

165 re of electrocatalysts via surface faceting, heteroatom doping, defects formation, and strain modulat

166 e side entry.Doping a metal nanocluster with heteroatoms dramatically changes its properties, but it

167 eat efforts are being made to develop stable heteroatom (e.g., B, N, O, P and S)-doped carbon electro

168 e for alkylations with a range of carbon and heteroatom electrophiles.

169 nge in profile, while compounds containing a heteroatom exhibited a tendency to oxidize following pho

170 y steric pressure due to substituents on the heteroatoms flanking the carbene center, as well as indu

171 nide insertion between C(sp(2))-H and oxygen heteroatom for the first time.

172 e increased with incorporation of the larger heteroatom (from approximately 3.7-4.0 A), while the lam

173 lerance toward a variety of alkyl, aryl, and heteroatom functional groups and provide convenient acce

174 compounds were also highly emissive, and the heteroatom had a significant impact on the emission and

175 The inclusion of these heteroatoms had a positive impact on stability and react

176 surface oxidation and activation, doping of heteroatoms, halogenation, sulfonation, grafting, polyme

177 methyl groups-especially adjacent (alpha) to heteroatoms-has been shown to dramatically increase the

178 blocks featuring rings of various sizes and heteroatoms have been synthesized in high yield using th

179 eroatomic size also increases intermolecular heteroatom-heteroatom interactions facilitating the form

180 products that contain functional groups with heteroatom-heteroatom linkages (X-X, where X = N, O, S,

181 hesis of functionalised molecules containing heteroatoms, heterocycles in the intramolecular version,

182 Among them are carbon-hydrogen, as well as heteroatom-hydrogen insertion reactions, cyclopropanatio

183 r shown to favor olefin cyclopropanation and heteroatom-hydrogen insertion.

184 or or acceptor site (i.e., the presence of a heteroatom-hydrogen or heteroatom).

185 Here, NPSs containing labile heteroatom hydrogens were evaluated for HDX reactivity i

186 The fine-tuning effects of heteroatom identity were investigated by UV-vis and fluo

187 se a family of low-symmetry cages containing heteroatoms, illustrating that pores of varying geometri

188 Comparative analysis of the effect of heteroatom in 1-hetero-3-methyl-3-silacyclohexanes on th

189 sults suggest that the inclusion of a second heteroatom in a five-membered heterocycle has a detrimen

190 The introduction of the delta heteroatom in each residue allows the decoupling of stru

191 Criegee intermediate, but the nature of the heteroatom in H2 X that also plays a crucial role in det

192 its a high cis amide population, the epsilon heteroatom in oxapipecolic acid exerts a strong trans su

193 -diazoacetates, however in the presence of a heteroatom in the ortho position, the boron enolate inte

194 tions of the propargylic and homopropargylic heteroatoms in SNO-OCT were explored both experimentally

195 ions in fully understanding the real role of heteroatoms in the above applications.

196 trongly on the types and distributions of Al heteroatoms in the aluminosilicate frameworks.

197 that is the preparation of polymers bearing heteroatoms in the backbone but with the ease and robust

198 annel system and of the positions adopted by heteroatoms in the silicate framework-can be extracted f

199 nnulations of arenes [that use both N- and O-heteroatoms] in a single operation.

200 ter pyrolysis under high temperatures, while heteroatoms including N, P, S and Fe distribute homogene

201 substrates containing strongly coordinating heteroatoms, including nitrogen, sulphur and phosphorus.

202 Endocyclic (X) heteroatoms increase the reactivity of the 1,3-dipoles i

203 y sp(2)-coordinate carbon with magnetic- and heteroatom-induced structural defects in a graphene latt

204 These previously unrecognized fluorine-heteroatom interactions likely play a significant role i

205 Chemical transformations that install heteroatoms into C-H bonds are of significant interest b

206 odologies have been developed to incorporate heteroatoms into polymeric structures, with perhaps the

207 The incorporation of suitable heteroatoms into the cluster scaffold of stable silicono

208 the second, inductively electron-withdrawing heteroatom is the dominant factor, and any assistance to

209 s, including the first examples containing B heteroatoms is described.

210 lcohols, thiols, carboxylic acids, and other heteroatoms is introduced.

211 ble for obtaining molecules with any type of heteroatoms is not known so far.

212 ntain site-specifically substituted backbone heteroatoms is one of the essential goals that must be a

213 l conversion, the absorption spectrum at the heteroatom K-edge exhibits an additional resonance.

214 carbon materials are highly doped by various heteroatoms, leading to high densities, abundant multimo

215 ral product synthesis, including pericyclic, heteroatom-mediated, cationic, metal-catalyzed, organoca

216 The emergence of so-called pai-expanded and heteroatom-modified rhodols has also allowed their fluor

217 s of a second H atom at a site adjacent to a heteroatom (N or O) for most native desaturase substrate

218 and of the 44 examples studied, 10 include a heteroatom (N, O).

219 A novel heteroatoms (N, P, S and Fe) quaternary-doped carbon (HQ

220 truxene derivatives containing two identical heteroatoms, namely, oxygen OOC, nitrogen NNC, or sulfur

221 Identification of the heteroatom (nitrogen, sulfur, and oxygen)-containing com

222 DFT) approach was utilized and the effect of heteroatoms (NMe, O, S) was thoroughly investigated by m

223 entanes using various radical precursors and heteroatom nucleophiles via a metallaphotoredox catalysi

224 has been widely applied in the arylation of heteroatom nucleophiles, O-alkylation with boronic acids

225 y of substrates, including those with acidic heteroatom nucleophiles.

226 as well as the incorporation of a variety of heteroatom nucleophiles.

227 of different chain lengths that consist of a heteroatom nucleophilic site and a pai-electrophilic sit

228 ion pathway is fully dependent on the linker heteroatom (O or N) present between the cyclohexadienone

229 cyclization is dependent upon the nature of heteroatom (O or S in sulfone) bridging the propargyl ar

230 ition, BCB-Bpin reacts with a diverse set of heteroatom (O, S, N)-centred nucleophiles exclusively at

231 s with Ser-530 via hydrogen bonding, and the heteroatom of the carboxamide ring of the oxicam scaffol

232 Organic molecules with heteroatoms often possess an important excited-state rel

233 interstitial carbide and the identity of the heteroatom on the electronic structure and catalytic act

234 of the linker length and the position of the heteroatom on the reduction potentials of encapsulated g

235 s examined here to study the role of surface heteroatoms on rheology and electrochemical performance

236 e reduction of GO and simultaneous doping of heteroatoms on the GO.

237 lpha,beta,gamma substituted products bearing heteroatoms on three adjacent carbons.

238 ution reactions of unsaturated alcohols with heteroatom or carbon nucleophiles.

239 use of amides in the construction of carbon-heteroatom or carbon-carbon bonds using non-precious-met

240 e systematic exchange of methine groups with heteroatoms or other substituents in aromatic or heteroa

241 ot limited to carboxylic acids bearing alpha heteroatoms or phenyl substitution.

242 in which the E=E bond is substituted by four heteroatoms (other than Si) is described.

243 nature, they uniquely combine properties of heteroatoms (polar interactions) with the properties of

244 ane, and triphenylstannane deuterated at the heteroatom position have been catalytically prepared in

245 under mild catalytic conditions with unusual heteroatom preference and high efficiency.

246 isomerizations in the adducts and keeps all heteroatoms protected.

247 Moreover, besides the heteroatom Pt, the catalytic performance of single clust

248 essed: (1) alkylation or arylation, (2) core heteroatom replacement, (3) oxidation and oxygenation, (

249 rkably, the replacement of sulfur with other heteroatoms results in significant structural changes, t

250 During heat-treatment, the oxygen and heteroatom-rich organics and potassium compounds natural

251 Heteroatom-rich organoboron compounds have attracted att

252 These substrates differ by only the heteroatom (S or O) in the ring, but the KRED mutants re

253 rates with the position and/or nature of the heteroatom(s) significantly affecting reactivity and reg

254 ICR MS analysis provided, in addition to the heteroatom series identification, new insights into the

255 Comparing with heteroatom sources from chemical reagents, biomass is no

256 The additional assigned peaks include higher heteroatom species, as well as additional radicals and i

257 With heteroatom stabilization of the intermediate allylic fre

258 The mechanisms of the reaction between non-heteroatom-stabilized alkynyl chromium carbene complexes

259 elucidation of the two-step reaction of non-heteroatom-stabilized carbenes with imines, followed by

260 openium ion with spin density located on the heteroatom substituents, including 23.5 % on oxygen.

261 -induced Pd-catalyzed Heck reaction of alpha-heteroatom substituted alkyl iodides and -bromides with

262 Allylic oxidation of heteroatom substituted cyclic alkenes by tert-butyl hydr

263 Heteroatom-substituted (such as yttrium and phosphorus)

264 s, heterochlorins, heterocarbaporphyrinoids, heteroatom-substituted confused porphyrins, and so on.

265 ucleophiles, providing ready access to alpha-heteroatom-substituted cyclobutyl boronic esters.

266 (X = N, O, S, Se), affording a wide range of heteroatom-substituted gem-difluoroalkenes, along with D

267 nstruction of an incredibly diverse array of heteroatom-substituted products.

268 Use of prochiral, heteroatom-substituted radicals results in stereocenters

269 omaticity of the tridimensional compounds in heteroatom-substituted species.

270 ermore, modifying 12-membered macrocycles by heteroatom substitution and utilizing alkynyl dienophile

271 round DTTs is mapped out next with regard to heteroatom substitution in the bridge and core, covering

272 Here the effect of heteroatom substitution on destructive quantum interfere

273 The effect of the heteroatom substitution on the optical, electrochemical,

274 oxazole anchors, focusing on the role of the heteroatom substitution position in terminal oxazole gro

275 le-terminated molecules is determined by the heteroatom substitution position of the oxazole anchor i

276 Heteroatom substitution was also used as a structural pr

277 lly related conjugated polymers differing by heteroatom substitution were targeted and we use a stoch

278 d parent, whose conductance is unaffected by heteroatom substitution.

279 In this case, substituent at C-1 avoided heteroatom substitution.

280 ic hydrocarbons and their analogs containing heteroatom substitution.

281 ic sulfides with different oxidation states, heteroatom substitutions, and a series of electron-donat

282 s this uniquely compact dication boasts more heteroatoms than carbon centers.

283 drocarbon networks with a lower abundance of heteroatoms than in IOM from primitive (CI,CM,CR) carbon

284 ved, while introduction of a second, allylic heteroatom to the substrate results in diminishment of t

285 cores, disulfide bond modeling and choice of heteroatoms to be included in the final model.

286 fluoro-ethynylarene precursors, allowing the heteroatoms to be installed at the 1-position or 1- and

287 me cases, adding polar functional groups and heteroatoms to the spiroadamantane substructure increase

288 We discuss advancements in heteroatom tolerant coordination-insertion polymerizatio

289 challenge because of the absence of suitable heteroatom-transfer reagents.

290 This heteroatom tuning causes a substantial barrier lowering

291 In particular, both the heteroatom type and iron were found to play crucial role

292 f different sizes and with different sets of heteroatoms was developed.

293 Influences of the heteroatom were confirmed by locking the amide conformat

294 The further heteroatoms were finally introduced through the reaction

295 ity of the oxidative process varies with the heteroatom when R = H.

296 philes require special reagents in which the heteroatom, which is typically nucleophilic, has been re

297 provide a very distinct spatial position of heteroatoms, which is clearly seen from the conformation

298 graphitic carbon skeleton can be replaced by heteroatoms with different electronegative from that of

299 rious ring sizes and substituents, including heteroatoms with high enantio- and diastereoselectivity.

300 d by changing the number and distribution of heteroatoms within the heterocycle.