ライフサイエンスコーパス: nitrogen atom

1 the predicted value 0.5 (maximal value 0.82/nitrogen atom).

2 r of catenated methylene units between imino nitrogen atoms).

3 ne carboxylate by the neighboring protonated nitrogen atom.

4 er than on the expected interior pyrrolenine nitrogen atom.

5 enantiomer and the substituent on the amide nitrogen atom.

6 mitant with the migration of a carbon onto a nitrogen atom.

7 s without electron-withdrawing groups on the nitrogen atom.

8 ched to an aromatic group through a bridging nitrogen atom.

9 figuration adopted by the adjacent pyramidal nitrogen atom.

10 dditional H-bond between H1' and the pyridyl nitrogen atom.

11 idines results in the protonation of the sp2-nitrogen atom.

12 , while the Fe atoms are bridged by a single nitrogen atom.

13 strates that require protection of the amine nitrogen atom.

14 he tryptophan nitrogen atom and the tyrosine nitrogen atom.

15 oth the substituents at C2 and C4 and at the nitrogen atom.

16 tamine (alkyne-norketamine, A-NK) at the key nitrogen atom.

17 the azepine ring and the geometry around the nitrogen atom.

18 ered by a nucleophilic addition of the imine nitrogen atom.

19 two seemingly different halves or include a nitrogen atom.

20 eagents containing specialized groups on the nitrogen atom.

21 g attacked at the beta-position by the amine nitrogen atom.

22 case of bulky substituents at the ketenimine-nitrogen atom.

23 r)2N] bearing one dicoordinate pnictogen and nitrogen atom.

24 hment of an C(O)OSiR3 group to an isocyanide nitrogen atom.

25 ogen unit which can be silylated at the beta-nitrogen atom.

26 diamines, with varying substituents at both nitrogen atoms.

27 mb lattices made of strongly bound boron and nitrogen atoms.

28 e highest number of double bonds contain two nitrogen atoms.

29 of which is that borylation occurs distal to nitrogen atoms.

30 ar metal centers, mutually bridged by single nitrogen atoms.

31 cular proton transfer between the nickel and nitrogen atoms.

32 nctionalization of both exocyclic and indole nitrogen atoms.

33 ative of four almost magnetically equivalent nitrogen atoms.

34 e carbon atoms, and a negative charge at the nitrogen atoms.

35 t the proton shuttles freely between the two nitrogen atoms.

36 3))), arising from methylation of one of the nitrogen atoms.

37 that specifically bind ligands bearing basic nitrogen atoms.

38 ponse is for compounds that contain adjacent nitrogen atoms.

39 ange of compounds with isolated and adjacent nitrogen atoms.

40 natural abundance 14N nuclei of the pyrrole nitrogen atoms.

41 ituted N-heterocycles comprising one and two nitrogen atoms.

42 ucleotides requiring different quantities of nitrogen atoms.

43 lation and the pi electron population of the nitrogen atoms.

44 e with positive charge delocalized over both nitrogen atoms.

45 well as the ammonia composed of hydrogen and nitrogen atoms.

46 The position of the pyridyl group nitrogen atom, 2-pyridyl or 4-pyridyl, has a large impac

47 reactivity with ethylene (carbon atom versus nitrogen atom addition) but also on the final reaction p

48 NMR time scale) of the NH proton between two nitrogen atoms along the N-H...N hydrogen bond was regis

49 The position of the nitrogen atom also had a strong influence on the stabili

50 e-atom electrocatalysts are single-pyridinic-nitrogen-atom-anchored single-platinum-atom centres, whi

51 ubstituents that yields a less electrophilic nitrogen atom and a decreased amount of cyclized product

52 of some molecules containing a nucleophilic nitrogen atom and electrophilic carbonyl group provided

53 se newly formed bound residues contained one nitrogen atom and had a molecular mass between 375 and 5

54 in the nature of the group on the maleimide nitrogen atom and of the substituents on the anthracene

55 eties, whereas 3 coordinated Zn(2+) by an N7 nitrogen atom and Pbeta.

56 ed to the steric hindrance of the most basic nitrogen atom and presumably modulates the free presenta

57 inoesters followed by desulfinylation of the nitrogen atom and spontaneous cyclization to the desired

58 g, the spatial arrangement of the protonated nitrogen atom and the 9beta-OH substituent in (1R,5R,9S)

59 that result from suprafacial addition of the nitrogen atom and the aryl group across the alkene.

60 s highly dependent on the substituent on the nitrogen atom and the catalyst used for the reaction.

61 It is found that the presence of the nitrogen atom and the CH fragment in the fullerene reduc

62 such as a hydrogen bond between a main chain nitrogen atom and the flavin redox center (N5).

63 ates well with the atomic depth of the amide nitrogen atom and the secondary structure type, but with

64 hieved through coordination to the phenazine nitrogen atom and the triazole ring.

65 the protecting group on both the tryptophan nitrogen atom and the tyrosine nitrogen atom.

66 ch the phosphane Lewis base has added to the nitrogen atom and the Zr(+) Lewis acid to both atoms of

67 e found that 5 coordinated Zn(2+) by both N7 nitrogen atoms and both dithiophosphonate moieties, wher

68 onazole coordinating the heme iron via their nitrogen atoms and clotrimazole being at a 4 A distance

69 tional groups into such structures that lack nitrogen atoms and enables a selective alcohol epimeriza

70 oducts are orthogonally protected at the two nitrogen atoms and exhibit, depending on the substitutio

71 erconjugation between lone electron pairs of nitrogen atoms and sigma*C-N orbitals in these heterocag

72 ludes deprotonated C-terminal backbone amide nitrogen atoms and the N-terminal amino nitrogen atom in

73 ic interaction between the lone pairs of the nitrogen atoms and the positively charged carbon atom of

74 hemical synthesis because of the basicity of nitrogen atoms and their susceptibility to oxidation.

75 on with electron donors including oxygen and nitrogen atoms and, possibly, pi-systems.

76 e where the carbonyl of the carboxylic acid, nitrogen atom, and if available, the hydroxyl and fluori

77 ) with two thioether sulfur atoms, two amino nitrogen atoms, and a phenol oxygen atom arranged in a d

78 positive charge localized on one of the two nitrogen atoms, and a state with positive charge delocal

79 on the solvent accessibility of the pyrazine nitrogen atoms, and therefore is sensitive to changes in

80 ines only systems which possess an exocyclic nitrogen atom are considered.

81 (e.g., NCO, NNN, NSO) by sharing the central nitrogen atom are exotic species that have been barely s

82 The incorporated nitrogen atoms are concluded to mainly reside at oxygen

83 he response should be zero when the adjacent nitrogen atoms are connected by a double bond and 0.5 wh

84 size of the aliphatic chains and presence of nitrogen atoms are important structural characteristics

85 Tricyclic systems with quaternary bridgehead nitrogen atoms are rare but an interesting class of comp

86 ives where CH units are substituted by sp(2) nitrogen atoms are rare but of potential interest as cha

87 rast, polynitrogen compounds comprising only nitrogen atoms are rare, and no molecular crystal made o

88 between anilino protons and pyridyl and azo nitrogen atoms are responsible for these unusual propert

89 ds, secondary metabolites that contain basic nitrogen atoms, are some of the most well-known biologic

90 chain, and alkylation of the backbone amide nitrogen atoms around the macrocycle.

91 alpha- and beta-protons with respect to the nitrogen atom as well as high degree of deuterium incorp

92 Introduction of a nitrogen atom at one of the acetylenic termini of 10-, 1

93 h to make compounds with only one protonated nitrogen atom at physiological pH to allow for membrane

94 Analogues with a nitrogen atom at the 4-position of tryptanthrin stopped

95 substitution on the phenoxy ring and on the nitrogen atom at the 4-position was examined.

96 re-activity relationships indicated that the nitrogen atom at the 7-position does not appear to be a

97 ulates the free presentation of a protonated nitrogen atom at the inner lysosomal surface.

98 Protonation of the nitrogen atoms at lower pH causes the binding affinity t

99 ongly depend on the moieties attached to the nitrogen atoms at the 6 and 12 positions.

100 position of the macrocycle, leaving the four nitrogen atoms available for the introduction of pendant

101 ther complicated by the presence of multiple nitrogen atoms, but it can be done by the selective intr

102 the possibility of functionalization of the nitrogen atom by cycloaddition and insertion chemistry.

103 tially the result of H-bonding of one of the nitrogen atoms by the neighboring carboxylic group and H

104 6]-bicyclic heterocycles, with ring-junction nitrogen atoms, by transition metal catalyzed C-H functi

105 Deprotection of the beta-lactam nitrogen atom can be achieved by lithium in liquid ammon

106 opts two different conformations because the nitrogen atom can be in the boat or chair parts of the B

107 Since substitution at bridge and bridgehead nitrogen atoms can be easily introduced, 1,4,6,10-tetraa

108 r dynamics simulations to elucidate how many nitrogen atoms can be incorporated into the graphene she

109 ar PEI with 11% additional free protonatable nitrogen atoms) can provide significant protection again

110 A large substituent group on the amide nitrogen atom causes the reactive s- trans conformation

111 of a large o-methylbenzyl group on the amido nitrogen atom causes the reactive s-trans conformation o

112 A strategic nitrogen atom chiral auxiliary serves three critical rol

113 Heterocyclic nitrogen atoms closely corresponded when the docked aden

114 a,beta-Unsaturated imides, formylated at the nitrogen atom, comprise a new and valuable family of die

115 ng on structures and compounds with adjacent nitrogen atoms connected by a double bond giving nearly

116 .5/nitrogen atom for compounds with adjacent nitrogen atoms connected by a single bond should be aban

117 ral elucidation, (2) knowledge of carbon and nitrogen atom content for every ion in MS and MS/MS spec

118 equilibrium distance between the nickel and nitrogen atoms decreases and as the pendant amines becom

119 The four pyridyl nitrogen atoms define a perfectly planar rectangle.

120 g of two gold(I) centers to the unprotonated nitrogen atoms, despite greater orbital density on the p

121 ions based on their number of hydrogen plus nitrogen atoms determined by accurate mass measurement a

122 d characterizes independent motions of light nitrogen atoms, each found in an octahedral cage of heav

123 cted to the PDI with the nitroxide and imide nitrogen atoms either para (1) or meta (3) to one anothe

124 ble method for the efficient installation of nitrogen atoms en route to target molecules (89 referenc

125 Therefore, the prediction of response of 0.5/nitrogen atom for compounds with adjacent nitrogen atoms

126 (N2) to ammonia, thereby providing essential nitrogen atoms for higher organisms.

127 Many natural products that contain basic nitrogen atoms--for example alkaloids like morphine and

128 Acylation of the rhodamine nitrogen atoms forces the molecule to adopt a nonfluores

129 controlled by the nature of the group on the nitrogen atom; free (NH)- and N-alkylindoles deliver the

130 ligated in a T-shaped configuration by three nitrogen atoms from two histidine side chains and the am

131 er substituted with a propargyl group at the nitrogen atom gave, unexpectedly, the six-membered cycli

132 e series, the bulk of the substituent at the nitrogen atom has a major influence on the fate of the r

133 F)(3)NH(C(13)H(6)N(2)Cl(4)) (3b), in which a nitrogen atom has been inserted into one of the proximal

134 amino acid stereocenter with a stereodynamic nitrogen atom has profound consequences on the self-asse

135 l replacement of the N-12 and/or N-13 indole nitrogen atoms identified the nonplanar dihydronaphthyl[

136 mide nitrogen atoms and the N-terminal amino nitrogen atom in [OT - 3H + Cu](-).

137 inhibiting FDP synthase is favored when the nitrogen atom in a N-BP is uncharged, N-BPs having a pos

138 alpha-C-atom of one or more amino acids by a nitrogen atom in a peptide sequence.

139 However, the presence of a nitrogen atom in a target molecule can complicate its ch

140 uent at a stereogenic center adjacent to the nitrogen atom in binaphthyl- and biphenyl-derived azepin

141 s and the three carbon atoms bonded with the nitrogen atom in the cage, which are favored.

142 Strategic incorporation of a nitrogen atom in the new constrained ring allowed us to

143 We confirmed the compatibility of the nitrogen atom in the photocycloaddition step, which give

144 re (1)(5)N was uniformly introduced at every nitrogen atom in the studied proteins.

145 this feature results from excitations of the nitrogen atom in the terminal amino group of triglycine.

146 e pocket of the enzyme, where the oxygen and nitrogen atoms in CQ formed stable coordinate bonds with

147 Analogues having nitrogen atoms in heterocyclic rings corresponding to th

148 olecule walks by attaching and detaching the nitrogen atoms in its imidazolyl "legs" to and from the

149 The in vivo oxidation of sulfur and nitrogen atoms in many drugs into sulfoxide and N-oxide

150 isPEB [1,3-bis(pyridin-2-ylethynyl)-benzene, nitrogen atoms in ortho positions], with an IC(50) value

151 The incorporation of electron-accepting nitrogen atoms in the conjugated nanotube carbon plane a

152 Functionalization of the nitrogen atoms in the hafnocene oxamidide complexes [Me(

153 how that changing the number and position of nitrogen atoms in the heteroatomic core of a pyrazolopyr

154 The number of nitrogen atoms in the oligoribonucleotide and fragment i

155 mical measurements to demonstrate that sp(2) nitrogen atoms in the organic linkers of nanocrystalline

156 Despite the presence of four nitrogen atoms in the purine moiety as well as the polyo

157 zenes and differ only by the position of the nitrogen atoms in the pyridine rings.

158 protecting groups despite the presence of 10 nitrogen atoms in the target compounds.

159 d hence are formed from hydrocarbons with no nitrogen atoms, in agreement with the compositional natu

160 Substitution of ring nitrogen atoms indicates that very unusually the N3 of A

161 than 4 A away from the midpoint between the nitrogen atoms, indicating that a salt bridge does not f

162 This growing chemisorbed sulphur- or nitrogen-atom-initiated poly(CO2) chain further displace

163 Introduction of an additional nitrogen atom inside the tricyclic framework led to an i

164 bonds through the lone electron pair of the nitrogen atom instead, and both quinine and quinidine ex

165 Incorporation of a nitrogen atom into the indenoisoquinoline scaffold offer

166 ified to yield a "daughter" by inserting one nitrogen atom into the m-OPE core.

167 By incorporating nitrogen atoms into graphene, its physico-chemical prope

168 ucial routes leading to the incorporation of nitrogen atoms into the aromatic ring have been exposed.

169 The incorporation of nitrogen atoms into the aryl rings of conventional diphe

170 tural modifications were made by introducing nitrogen atoms into the cinnamyl ring and replacing its

171 The conformational inversion (ring-flip) and nitrogen-atom inversion (N-inversion) energetics were st

172 ic subunit linked in a 1,3-fashion so that a nitrogen atom is directly connected to a meso-bridging c

173 and show that the lack of reactivity at the nitrogen atom is due to the highly negative electrostati

174 e a strong electron-withdrawing group on the nitrogen atom is typically required to achieve this reac

175 group variation on the substituents of both nitrogen atoms is also presented.

176 ith differently substituted phenyl groups at nitrogen atoms is reported.

177 In this Perspective, the "necessary nitrogen atom" is shown to be a versatile high-impact de

178 the terminal basepair such that their indole nitrogen atoms lie on the major groove side, and thus th

179 A stabilizing interaction between a nitrogen atom lone pair and an aromatic sulfur system (n

180 gressively with the molecular size, the beta-nitrogen atoms maintain a constant distance from the por

181 Glycogens coupled to the nitrogen atom (N-linked) of asparagine side chains or to

182 nds sequentially bearing three all-saturated nitrogen atoms (N-N-N motif).

183 Atomic mutagenesis revealed that nitrogen atoms N1 and N3 of the adenine-6 at the cleavag

184 t of electron withdrawing groups bonded to a nitrogen atom, namely the trifluoroacetyl and the methan

185 y one-dimensional (15)N NMR spectroscopy, to nitrogen atoms near the iron center.

186 (observed for the zinc complexes) or at the nitrogen atom (observed for the potassium complexes).

187 The complex structure revealed the imidazole nitrogen atom of 24 to coordinate with the heme iron, an

188 NMR chemical shift of the essentially planar nitrogen atom of 9 is discussed.

189 The nitrogen atom of 9 is virtually planar; it is 0.082 A ou

190 The implication of the heterocyclic nitrogen atom of AAzC in the trans-like structure was de

191 C(16) lipophilic substituent to the epsilon-nitrogen atom of an earlier lead compound, D-Lys-Spm (5)

192 protein self-splicing, a peptide bond to the nitrogen atom of an internal cysteine or serine residue

193 rically diverse groups attached to the amine nitrogen atom of common ligands, occupying what may be t

194 drug coordinates the P450 heme iron with the nitrogen atom of its terminal azole ring and adopts a li

195 xyl radical 2b formed by P/B addition to the nitrogen atom of NO.

196 C), was synthesized such that the quaternary nitrogen atom of polyDADMAC was substituted with a phosp

197 ition of the rhodium carbenoid to endocyclic nitrogen atom of the 2H-azirine-2-carbaldimine.

198 esidues near the methyl group of SAM and the nitrogen atom of the alkaloid acceptor decreased enzyme

199 l reactions occurred exclusively at the beta-nitrogen atom of the azocarboxylic esters, the linkage o

200 The type of substituent on the nitrogen atom of the beta-enaminone is key to obtain nit

201 imum distance between the metal atom and the nitrogen atom of the cage (R(N'M)(min)).

202 drogen bonding between HFIP and a pyrimidine nitrogen atom of the directing group, and it is thought

203 The hard Lewis acid AlCl3 binds through a nitrogen atom of the Lewis base, while softer Lewis acid

204 to a C-H insertion intermediate in which the nitrogen atom of the ligand is bound as a neutral sigma-

205 Direct participation of the nitrogen atom of the Meimid ligand in binding to the ura

206 tion, charge, and substituent effects of the nitrogen atom of the N-heterocycles within a single mode

207 hydrogen-bonding interaction with an unbound nitrogen atom of the naphthyridine-based ligand architec

208 ic acid and the proton is displaced onto the nitrogen atom of the pyrrolidine ring.

209 riously substituted alkylating groups on the nitrogen atom of the quinolinone ring.

210 y, the presence of the hydroxyl chain at the nitrogen atom of the ring allowed for the preparation of

211 n to the amide carbonyl, so as to enable the nitrogen atom of the scissile bond to accept the proton

212 corporation of another carbonyl group on the nitrogen atom of the tethered alkenyl diazo amido indolo

213 The nitrogen atom of the thiazine and the oxygen atom of the

214 ies revealed that adding substituents to the nitrogen atom of the urea so as to generate compounds be

215 r (DAB) attached to either one or both imide nitrogen atoms of a perylene-3,4:9,10-bis(dicarboximide)

216 hydrogen bond interactions to the main chain nitrogen atoms of Cys356 and Leu314, and hydrophobic int

217 know whether peptide bonds that involve the nitrogen atoms of cysteine or serine are more susceptibl

218 receptor and the (15)N chemical shift of the nitrogen atoms of its binding centers.

219 , 5a, in which one proton interacts with two nitrogen atoms of the cyclic diphosphine ligand and a hy

220 cular proton exchange between nickel and the nitrogen atoms of the diphosphine ligand.

221 t the spin density is centered on one of the nitrogen atoms of the former azo group.

222 within 100 fs and localizes primarily on the nitrogen atoms of the GaN surface, initiating a sequence

223 methylated on the omega-N(G) and omega-N(G') nitrogen atoms of the guanidino group and is likely to b

224 n be easily and reversibly protonated at the nitrogen atoms of the heterocyclic ring, and this causes

225 ated galactose bonded to one of the aromatic nitrogen atoms of the l-histidine through a hydrolyzable

226 re directly bonded to the nickel center, and nitrogen atoms of the ligand rings act as proton relays.

227 through hydrogen-bonding interactions to the nitrogen atoms of the oxazoline rings.

228 table to PET arrest due to complexation with nitrogen atoms of the piperazine unit and Hg(2+) in 1:2

229 of H-bond interactions between the backbone nitrogen atoms of the residues at positions 2, 9 and sid

230 attack of an electrophilic terminal nitrido nitrogen atom on a proximal aryl ring.

231 y relationship studies revealed that (1) the nitrogen atom on the 4-thiazolidinone ring (ring B in Fi

232 o decipher the impact of the position of the nitrogen atom on their binding mode at the AMPA receptor

233 of chelating Co(II) ions, presumably via its nitrogen atoms on PANI/diamine groups.

234 Protonation or alkylation of the nitrogen atoms on the pyridine rings led to an increase

235 Substitutions on the nitrogen atoms or nearby in the molecule can increase th

236 ndicating either delocalization between both nitrogen atoms or rapid intramolecular electron transfer

237 The exocyclic nitrogen atom preferably bonds to electrophiles and its

238 We confirmed that compounds with isolated nitrogen atoms produce an equimolar response with a 15-2

239 in the phenyl ring of the indole moiety by a nitrogen atom provided four different azaindole derivati

240 Amazingly, the nitrogen atoms raise the oxidation potentials of the ami

241 first method utilizes carbonyl substitution nitrogen atom replacement (COSNAR).

242 tational studies on Y2@C79N suggest that the nitrogen atom resides at a 665 ring junction in the equa

243 n photoelectron peak associated with pyridyl nitrogen atoms residing on bridging sites.

244 potentials systematically with the number of nitrogen atoms, resulting in overall increases of 0.3-0.

245 cement of one Calpha-stereogenic center by a nitrogen atom results in a significant improvement of bo

246 wist: By introducing steric hindrance at the nitrogen atom, stable linear amides bearing an electron-

247 Conversely, when the nitrogen-atom substituent was a hydrogen atom, as in 2d,

248 When the nitrogen-atom substituent was alkyl, as in 2a-c, the geo

249 The steric bulk of the nitrogen-atom substituent was found to affect both the c

250 These results demonstrate that a single nitrogen atom substitution for a glycine alpha-carbon in

251 tuted azines sheds light on the influence of nitrogen atom substitution on the strength of C-H bonds

252 ryotic proteins have more oxygen, sulfur and nitrogen atoms than prokaryotes do.

253 trostatically stabilize the lone pair on the nitrogen atom that forms during the isomerization.

254 ead to no electronic interaction between the nitrogen atoms that are separated by only four sigma bon

255 be dependent on the substituent group on the nitrogen atom, the ligand on the Rh(II) center, and the

256 stigated, focusing on the substituent at the nitrogen atom, the position of the methoxy group, and th

257 en the donor is connected to the pyrrolidine nitrogen atom, the resulting dyad produces a significant

258 nversion barrier, the stereochemistry at the nitrogen atom, the substitution pattern of the alkyliden

259 Upon methylation of the oxazole nitrogen atom, the substrates underwent rapid intramolec

260 lings (A) arise from two distinct classes of nitrogen atoms: the coordinating epsilon-nitrogen of the

261 eavage, increases the nucleophilicity of the nitrogen atom, thus promoting additional NC bond formati

262 isomerization of the carbons vicinal to the nitrogen atom to afford pyrrolidines with a rather unusu

263 Thanks to the amenability of the amide nitrogen atom to be substituted with bulky groups, we de

264 e isomerization process and utilizes its own nitrogen atom to carry the proton.

265 tack step, and then shuttles it to the amide nitrogen atom to facilitate the cleavage of the amide bo

266 N,N-addition reaction at the terminal azide nitrogen atom to form the four-membered FLP cycloadduct

267 sphorus derivative can be used to transfer a nitrogen atom to organic fragments, a difficult task for

268 ly anti to the large substituent next to the nitrogen atom to provide the cis-substituted beta-lactam

269 o pass an entrance barrier and adds with the nitrogen atom to the acetylene molecule, the cyano radic

270 hat the silicon nitride radical bonds by the nitrogen atom to the double bond of ethylene; in compari

271 coluril residues doubly linked through their nitrogen atoms to each other by methylene groups.

272 y species use nucleotides that require fewer nitrogen atoms to encode the same genes compared to high

273 Displacements of the carbon and nitrogen atoms to opposite sides of the Zn...Zn axis, su

274 on and to identify the selectivity of purine nitrogen atoms towards various electrophiles, model syst

275 Reaction with PPh3 results in nitrogen atom transfer to the phosphine, supporting a re

276 formations such as oxygen-atom transfer, (6) nitrogen-atom transfer, (7) O2 activation, (8) C-H bond

277 stepping stone for engineering more complex nitrogen-atom-transfer reactions in P450 enzymes and dev

278 th an aryl group on either the carbon or the nitrogen atom undergo dearomatization reactions upon tre

279 (dimethylamino)phenyl group on the maleimide nitrogen atom undergo retro-cycloaddition upon ultraviol

280 tiary anilines which are not acylated at the nitrogen atom-undergo facile acid-catalyzed or spontaneo

281 and a fraction of the extra electron on each nitrogen atom was delocalized into the graphene lattice.

282 t was alkyl, as in 2a-c, the geometry of the nitrogen atom was nearly planar and the azepine ring was

283 was a hydrogen atom, as in 2d, 4, and 6, the nitrogen atom was significantly pyramidalized and the az

284 oisoquinolines were synthesized in which the nitrogen atom was systematically rotated through positio

285 with cationic moieties adjacent to pyridine nitrogen atoms was the most promising compound in the se

286 Individual nitrogen atoms were incorporated as graphitic dopants, a

287 That the five nitrogen atoms were introduced at the appropriate time a

288 leading to FSA as well as the origin of the nitrogen atom, which is incorporated into the polyketide

289 However, protonation occurs at the amine nitrogen atom, which is the most favorable site in aqueo

290 t and modifiable Lewis acids centered on the nitrogen atom, which provide stable and well-characteriz

291 and some polyphenols suspected to contain a nitrogen atom, while for the others the two methods seem

292 methylation occurs almost exclusively on the nitrogen atom with diverse molecular structures, includi

293 bipyridinium dications substituted on their nitrogen atoms with 2-azidoethyl- to 5-azidopentyl moiet

294 to n = 14 and linear oligomers with up to 20 nitrogen atoms (with at least three types of end groups)

295 ated intramolecular proton transfers between nitrogen atoms, with chair-to-boat isomerizations as the

296 This indicates that the presence of a nitrogen atom within the aromatic ring enhances the ring

297 h has a coplanar arrangement of scandium and nitrogen atoms within a square planar array of tetrameth

298 re shown to be those in which the carbon and nitrogen atoms within individual Zn-C identical withN-Zn

299 ctronic structure and on the location of the nitrogen atoms within the carbon lattice.

300 omposed of two quasi-adjacent substitutional nitrogen atoms within the same graphene sub-lattice (N(2