ライフサイエンスコーパス: electron-withdrawing

1 racter, with the 1,5-triazole being the most electron-withdrawing.

2 e substituent on the aryl group becomes more electron-withdrawing.

3 d NO2) that ranged from electron-donating to electron-withdrawing.

4 nating and a distal one is favored when R is electron-withdrawing.

5 uilding block, which is end capped by strong electron-withdrawing 2-(5,6-difluoro-3-oxo-2,3-dihydro-1

6 Electron withdrawing 3,5-disubstituted pyridone ligands

7 dithiaporphyrins, meso-substituted with both electron-withdrawing 4-phenylcarboxylic acids and relate

8 moderate to good yields for arenes carrying electron-withdrawing (50-85%) or weakly electron-donatin

9 of substituted tetrazines correlate with the electron-withdrawing abilities of the substituents.

10 The increase in electron-withdrawing ability of C(1)-substituents facili

11 eV) than poly(3-hexylthiophene) owing to the electron-withdrawing ability of the aryl ketone side cha

12 ons are rationalized in terms of the greater electron-withdrawing ability of the azides in the pseuda

13 The electron-withdrawing ability of the protecting groups, b

14 The synthetic results suggest that high electron-withdrawing ability, which has traditionally li

15 of a range of aryl rings, even those lacking electron-withdrawing activating groups, and provides a m

16 r-acceptor cyclopropanes with other types of electron-withdrawing activating groups.

17 moiety has interesting properties due to the electron-withdrawing, albeit lipophilic, character of th

18 of this reaction is attributed to the use of electron-withdrawing alkenyl triflates, which offer sele

19 teroarenium salts bearing electron-donating, electron-withdrawing, alkyl, aryl, halogen, and haloalky

20 polarity distinct from those of more common electron-withdrawing amide and sulfonamide units.

21 iodine](+) BF4(-) complexes substituted with electron withdrawing and donating functionalities in the

22 the cyclopentadiene rings on ferrocene with electron withdrawing and donating substituents, thus pro

23 of sixteen o-hydroxyacetophenones, carrying electron-withdrawing and -donating groups at positions 4

24 he stereoelectronic influence of neighboring electron-withdrawing and -donating groups on the nucleop

25 sed 1,2-azaphosphorine 2-oxides that contain electron-withdrawing and -donating substituents on the 3

26 cine-rich peptoid oligomers, possessing both electron-withdrawing and -donating substituents, in good

27 xaphyrins (with different steric effects and electron-withdrawing and -releasing character).

28 The method shows good tolerance to both electron-withdrawing and donating substituents on the in

29 Our mechanistic study showed that electron-withdrawing and electron-donating core substitu

30 reacted successfully with iodoarenes bearing electron-withdrawing and electron-donating groups, givin

31 ctive diphenyltellurophene compounds bearing electron-withdrawing and electron-donating substituents

32 Various internal alkynes with electron-withdrawing and electron-donating substituents

33 ituent on the aryl group, with both strongly electron-withdrawing and electron-donating substituents

34 y of aromatic and heteroaromatic groups with electron-withdrawing and electron-donating substituents.

35 Both electron-withdrawing and electron-releasing substituents

36 y converted into 2-aminofurans devoid of any electron-withdrawing and hence deactivating/stabilizing

37 aromatic ring (whether electron donating or electron withdrawing) and can be extended to heteroaroma

38 Salicylaldehydes bearing electron-donating, electron-withdrawing, and halogen groups as well as 1-hy

39 ating) and the proton acceptors A (which are electron-withdrawing) are grouped together as in DDAA, t

40 gen-bonding energies and frequency shifts of electron-withdrawing aromatic substituents and very weak

41 ylethylene diamine (dpen) as ligands bearing electron-withdrawing arylsulfonyl substituents, the reac

42 By introducing highly electron-withdrawing atoms on targeted ligands, the ener

43 The influence of the electron-withdrawing azide group on the reduction of O-(

44 zation of anomeric charge development by the electron-withdrawing azide.

45 as found that more reactive nucleophiles and electron-withdrawing benzoyl groups on the donor favor t

46 to the DCM reporter via a self-eliminating, electron-withdrawing benzyl alcohol-carbamate linker off

47 ROAMP catalysts featuring electron-withdrawing benzylidynes not only selectively i

48 tron-donating -OCH3 and -OtBu groups and the electron-withdrawing -Br and -F atoms, on azobenzene iso

49 he unique SF5 functionality is also strongly electron-withdrawing but at the same time highly lipophi

50 even when the tethered pi-bond contained an electron-withdrawing carbomethoxy group.

51 abilization of the second protonation by the electron-withdrawing carbomethoxy substituents.

52 Compounds containing additional electron-withdrawing carboxylate groups, such as cinnaba

53 itrogen homocoupling accelerated by the more electron-withdrawing CF3 substituent.

54 er resistance to air oxidation, the enhanced electron-withdrawing character induces blue shifts in th

55 ization energies progressively increase with electron-withdrawing character of the aryl groups when t

56 ges in the oxidation state of the metal, the electron-withdrawing character of the porphyrinato ligan

57 We find that increasing the electron-withdrawing character of the substituents gives

58 alkylthiazolonethione revealed the strongest electron-withdrawing character, resulting in the lowest

59 tion rate of hydrolysis at pH 1 decreases as electron-withdrawing chlorine (Cl) substituents are adde

60 Electron-withdrawing chlorine substituents ensure respon

61 and that destabilizing the (1)p* state by an electron-withdrawing CN substituent at the ortho or para

62 ral methine hydrogen of TO is replaced by an electron withdrawing cyano group, which was expected to

63 The strong electron-withdrawing cyano functionality enables DCNBT-I

64 hydrogen-bonding units that are activated by electron-withdrawing cyano groups.

65 Remarkably, electron withdrawing/donating aroyl units including hete

66 ioselectivity correlating to the strength of electron-withdrawing/-donating groups on the ring of eac

67 gand and the chlorine atom on increasing the electron withdrawing effect of the R substituent.

68 -b]thiophene and the acceptor unit IC due to electron-withdrawing effect of F, and finally adjust ene

69 We reasoned their stability through the electron-withdrawing effect of the carboxamide substitue

70 bstituted zethrenes can be attributed to the electron-withdrawing effect of the imide groups and the

71 that the 1,5-triazole group exerts a strong electron-withdrawing effect on carbocations that is not

72 ing radical-stabilizing energies rather than electron-withdrawing effects as the dominating feature o

73 to C4 of the decalin system, as well as the electron-withdrawing effects of various substituents and

74 as stable under aerobic conditions providing electron withdrawing (either ester or nitrile) groups we

75 The reaction tolerates a wide range of electron-withdrawing, electron-neutral, and electron-don

76 thesis of a variety of benzimidazoles having electron-withdrawing/electron-releasing/aliphatic groups

77 ing core and 1,1-dicyanomethylene-3-indanone electron-withdrawing end groups.

78 via subtle chemical modifications on strong electron-withdrawing end-groups.

79 The key electron-withdrawing ester substituent on the Pd-oxyally

80 The results show that the electron-withdrawing (EW) ability and density of these f

81 In contrast to the Mes* groups, the highly electron-withdrawing (F) Mes groups do not diminish the

82 Despite the presence of the highly electron-withdrawing fluorinated substituent, cyclic alp

83 oupling protocol allows the compatibility of electron-withdrawing fluoro, chloro, ester, and nitro an

84 effects induced by the presence of strongly electron-withdrawing fluoro-bearing sulfonimidoyl moieti

85 on was faster from complexes containing less electron-withdrawing fluoroenolate groups and longer Pd-

86 e) bonds than from complexes containing more electron-withdrawing fluoroenolate groups and shorter Pd

87 was no longer favored due to the presence of electron-withdrawing formyl moieties.

88 Introduction of electron-withdrawing functional groups such as the nitro

89 ly modifying their chemical structures using electron-withdrawing functional groups.

90 te trend is observed for phlorins containing electron-withdrawing functionalities.

91 critical chain length at the C3-position, an electron withdrawing group at the C5-position, the lengt

92 ased fluorescence quantum yield, whereas the electron withdrawing group at the meso position of BODIP

93 ither an electron-donating group (EDG) or an electron-withdrawing group (EWG) and investigated the ph

94 ntation (ARF) of carbohydrates possessing an electron-withdrawing group (EWG) at C2, promoted by PhI(

95 erved for arylboronates containing two ortho electron-withdrawing group (EWG) substituents.

96 The influence of the electron-withdrawing group (EWG), present in the acyclic

97 effect was measured for 1/p-X-C6H4OH with an electron-withdrawing group (kH/kD = 0.6-0.7; X = Cl, CF3

98 The nature of the ynamide electron-withdrawing group and beta-substituent plays cr

99 the lack of an effect of the addition of an electron-withdrawing group are investigated.

100 In the absence of an activating electron-withdrawing group as part of the Michael accept

101 nces absorption and fluorescence, whereas an electron-withdrawing group at C-3 drives absorption and

102 tions involving fluorobenzenes with a single electron-withdrawing group at the para position of the a

103 n-donating group and a trifluoromethyl as an electron-withdrawing group displays the most interesting

104 Typically, substituted aryl ketones with electron-withdrawing group do not need any ligand to giv

105 ifluoromethyl group serves as a unique sigma-electron-withdrawing group for the activation of the ole

106 The strength of the electron-withdrawing group further controls the alpha/ga

107 of the phosphorus atom and the nature of an electron-withdrawing group have a significant impact on

108 having both the higher dipole moment and the electron-withdrawing group in the equatorial phenyl ring

109 roup in the former, making the effect of the electron-withdrawing group on C1 stronger in the latter.

110 Depending on the choice of the electron-withdrawing group on the aniline nitrogen nucle

111 ctivity was observed for those possessing an electron-withdrawing group on the aryl groups.

112 The effects of an electron-withdrawing group on the organic chemistry of a

113 Isocyanates that bear an electron-withdrawing group react with allylic amines 1-3

114 role of this group: it primarily acts as an electron-withdrawing group that lowers the pK(a) of the

115 that protonated aminomethyl functions as an electron-withdrawing group to reduce the barrier for thi

116 rs have been reported in which an additional electron-withdrawing group was added at the alpha-carbon

117 Aryl iodides with an ortho electron-withdrawing group were employed as the coupling

118 es, containing an alkenyl moiety and diverse electron-withdrawing group(s) at the adjacent positions,

119 of common nitrogen nucleophiles bearing one electron-withdrawing group, and proceeds under mild reac

120 nfluence of the halogen bond donor atom, the electron-withdrawing group, and the linker group that br

121 nt and is remarkable for derivatives with an electron-withdrawing group, showing reactivity comparabl

122 When intermediates 3 contain a strongly electron-withdrawing group, such as C(4)-Cl or C(5)-NO2,

123 oup and the other one is substituted with an electron-withdrawing group.

124 the perfectly folded conformer, and stronger electron withdrawing groups (triflate, cyano) give oligo

125 at unsymmetrical aniline derivatives bearing electron withdrawing groups are preferred compared to th

126 In addition, the effect of electron withdrawing groups bonded to a nitrogen atom, n

127 uit voltage and yields a clear dependence on electron withdrawing groups.

128 gen bonds that are modulated by variation of electron withdrawing groups.

129 ivity were unaffected by introduction of two electron-withdrawing groups (-CO2R) at C4 and C6 of the

130 With moderately electron-withdrawing groups (acetoxy), we observe >90% o

131 electron-donating groups (e.g., methoxy) to electron-withdrawing groups (e.g., trifluoromethyl) were

132 acetylene reactivity by utilizing alkynes as electron-withdrawing groups (EWG) for promoting nucleoph

133 nucleophile electrostatic interactions, with electron-withdrawing groups (EWG) on the sp(2) system le

134 Substrates carrying electron-withdrawing groups (EWGs) (0 < Esigma > 0.63) p

135 stant (sigma), which has positive values for electron-withdrawing groups (EWGs) and negative values f

136 were fine-tuned through the incorporation of electron-withdrawing groups (EWGs) like nitro and cyano

137 The presence of strongly electron-withdrawing groups (nitroaryl or acetyl) on the

138 atic ring (Y and Z = OMe) or the presence of electron-withdrawing groups (NO2) on the nonfused Ar rin

139 Electron-withdrawing groups accelerate the reaction, pro

140 ecule, except in cruciforms substituted with electron-withdrawing groups along the vertical axis.

141 Oxindoles substituted at N-1 by electron-withdrawing groups and at C-3 by omega-amino ch

142 oles and styrenes with electron-donating and electron-withdrawing groups and works well on the gram s

143 derivatives as well as aryl bromides bearing electron-withdrawing groups and/or ortho substituents.

144 Finally, kobs is observed to increase when electron-withdrawing groups are incorporated in the para

145 variety of substrates which include reactive electron-withdrawing groups are well tolerated to form 2

146 the presence of either electron-donating or electron-withdrawing groups as substituents of the carbo

147 n nucleophilic addition, various imines with electron-withdrawing groups at nitrogen have been studie

148 Lastly, hydrophobic electron-withdrawing groups at several positions in the

149 ethodology is tolerant to electron-donor and electron-withdrawing groups at the substrates and the de

150 is completely opposite, with substrates with electron-withdrawing groups being favored.

151 ategies for four new macrocycles bearing the electron-withdrawing groups CN, Cl, NO(2), and CF(3) are

152 We indeed find that electron-withdrawing groups could enhance the stability

153 Stronger electron-withdrawing groups display more significant bat

154 The use of sulfones as electron-withdrawing groups in substrates for palladium-

155 tion rate and improve the selectivity, while electron-withdrawing groups increase the reaction rate a

156 c alcohols functionalized with destabilizing electron-withdrawing groups like halides, carboxyesters,

157 Electron-withdrawing groups lower the LUMO+1 of tetrazin

158 oquinoline moiety, while the substitution of electron-withdrawing groups lowers the basicity.

159 Interestingly electron-withdrawing groups on O-6 or on C-1 of the acce

160 moderately electron-releasing or moderately electron-withdrawing groups on the aldehyde reactant.

161 for substrates bearing electron-donating and electron-withdrawing groups on the aromatic ring at both

162 The presence of electron-withdrawing groups on the benzenediazo moiety o

163 However, electron-withdrawing groups on the enone enable [2 + 4]

164 wide range of beta-sulfonyl enamines without electron-withdrawing groups on the nitrogen atom.

165 n HAT promoted by N-oxyl radicals containing electron-withdrawing groups or when more polar solvents

166 Electron-withdrawing groups placed on the N-vinyl and N-

167 of substrates containing aromatic rings and electron-withdrawing groups positioned beta to one anoth

168 ons tolerated neutral, electron-donating and electron-withdrawing groups present in both substrates,

169 ally functionalized by electron-donating and electron-withdrawing groups to afford a gradual increase

170 Ser/pThr), recognition motifs (biotin, RGD), electron-withdrawing groups to induce stereoelectronic e

171 ppression to introduce electron-donating and electron-withdrawing groups to the phenolate ring.

172 ediates) and the observed effect of proximal electron-withdrawing groups upon the degradation rates.

173 ields of these photoreactions increased when electron-withdrawing groups were used.

174 ched are a function of the substituent, with electron-withdrawing groups yielding a lower energy long

175 very efficient when using substrates bearing electron-withdrawing groups, and allowed for the prepara

176 Remarkably, aryls with electron-withdrawing groups, and electron-poor heteroare

177 functions like alkyls, ethers/thioethers, or electron-withdrawing groups, are discussed.

178 onor carbenoids, i.e., those with no pendant electron-withdrawing groups, are reported.

179 loride precursors with various substituents (electron-withdrawing groups, electron-donating groups, i

180 monoformyl, and diformyl hemes, that posses electron-withdrawing groups, resulted in higher E degree

181 For aldehydes with electron-withdrawing groups, significantly higher yields

182 , bearing a variety of electron-donating and electron-withdrawing groups, were designed and synthesiz

183 Unlike BCBs bearing electron-withdrawing groups, which react with nucleophil

184 f the Ar group contains electron-donating or electron-withdrawing groups, with sulfated zirconium oxi

185 higher catalytic activity than those having electron-withdrawing groups.

186 ed alkynyl ethers with electron-donating and electron-withdrawing groups.

187 e used for smaller sp(2) carbons attached to electron-withdrawing groups.

188 l acceptors, activated by aryl or heteroaryl electron-withdrawing groups.

189 , benzylic substituents and meta-substituted electron-withdrawing groups.

190 with electron-deficient arenes with multiple electron-withdrawing groups.

191 cellent regioselectivities were obtained for electron-withdrawing groups.

192 gnificantly limited to substrates containing electron-withdrawing groups.

193 and demonstrated an activating effect of the electron withdrawing halogens on nitrile reactivity, lea

194 In contrast, electron-withdrawing heteroaromatic substrates formed 1,

195 ity of the olefin by the second, inductively electron-withdrawing heteroatom is the dominant factor,

196 tors is used for rationalizing the effect of electron-withdrawing heteroatoms (such as a cationic nit

197 at these triazole groups are all inductively electron-withdrawing in character, with the 1,5-triazole

198 iazonium salt, that is, electron-donating or electron-withdrawing in the ortho, meta, or para positio

199 Cyclic voltammetry established the electron withdrawing influence of 4-BPin, which slows th

200 The effect of electron-withdrawing ligands on the energy barriers of S

201 ed a fundamental substituent effect in which electron-withdrawing meta-oxazole substituents increased

202 f related compounds featuring more efficient electron-withdrawing moieties.

203 rgy shift in NH stretching frequency and the electron withdrawing nature of the substituent, consiste

204 nt complexes, resulting from the inductively electron withdrawing nature of this directing group on t

205 The electron-withdrawing nature of the allylic leaving group

206 able than their alkyl analogues owing to the electron-withdrawing nature of the attached subunit.

207 Although the electron-withdrawing nature of the CF(3) group should fa

208 The electron-withdrawing nature of the dinitrobenzene moieti

209 ained in the first step was dependent on the electron-withdrawing nature of the functional groups, an

210 effect is discussed in terms of the powerful electron-withdrawing nature of the oxazolidinone system,

211 e C(2) ketal center and the aryl ring as the electron-withdrawing nature of the para-substituent is i

212 ns toward dienes and azides, promoted by the electron-withdrawing nature of the pyridinium rings, as

213 This is rationalized based on the electron-withdrawing nature of the radical site(s).

214 aining a multifunctional framework of strong electron-withdrawing nature.

215 ceptor cyclic alkyl amino carbene and of two electron-withdrawing nitrile groups, a borohydride react

216 on the halide substituent and the number of electron-withdrawing nitro substituents.

217 They demonstrate that the nature of the electron-withdrawing nitrogen protecting group has a ver

218 the absence or presence of any substitutent (electron withdrawing or electron donating) in the 3-phen

219 r bent bond as determined by the presence of electron-withdrawing or -donating substituents at C(2).

220 om -2.7 cm(-1) (1) to -11.1 cm(-1) (4), with electron-withdrawing or -donating substituents increasin

221 Furthermore, the presence of electron-withdrawing or -donating substituents substanti

222 e-N-oxyl radicals' self-decay with different electron-withdrawing or -donor substituents in the benze

223 uned in a predictable way in response to the electron-withdrawing or electron-donating ability of sub

224 it is compatible with the presence of either electron-withdrawing or electron-donating groups at the

225 e para-position of the two external rings by electron-withdrawing or electron-donating substituents.

226 R(1) and R(2) in the OPE portion were either electron-withdrawing or electron-donating, and their inf

227 Electron donating and electron withdrawing ortho-substituents on 2-aminobenzoi

228 ctivity of the donor in comparison to having electron withdrawing p-chloro (PClB) or p-cyanobenzyl et

229 Highly electron-withdrawing pentafluorosulfanyl groups were pro

230 chieved with catalyst 1a, featuring the most electron-withdrawing phosphine ligand.

231 erved indole product, is destabilized by the electron-withdrawing phthalimide substituent.

232 nt and to a smaller extent by increasing the electron-withdrawing power of the benzylic X substituent

233 s of this paper regarding both the different electron withdrawing properties of various benzyl ethers

234 turing carbonyl substituents with increasing electron-withdrawing properties (3a, phenyl; 3b, 3,5-bis

235 ambidentate C,O-radicals when increasing the electron-withdrawing properties of the carbonyl substitu

236 s of pi-conjugated materials, but the strong electron-withdrawing properties of the required syntheti

237 de complex, (BippyPhosPd(Ar)OPh); due to the electron-withdrawing property of the fluoroalkyl substit

238 y of the POCOP ligand is substituted with an electron withdrawing protonated dimethylamino group at t

239 w-spin state of the complex is stabilized by electron-withdrawing pyridyl ("X") substituents, but als

240 bstitution at the P centers, the presence of electron-withdrawing R groups, and metal coordination to

241 It was illustrated that introducing an electron-withdrawing site to amino acid anions could red

242 epting benzothiazolium, which exhibit higher electron-withdrawing strength than pyridinium and quinol

243 uantum yields and side groups with different electron-withdrawing strengths that fine-tune their redo

244 as much as 0.47 V through the addition of an electron-withdrawing substituent (CO2Me or CN) to the cy

245 loropyrimidines, further substituted with an electron-withdrawing substituent at C-5, has selectivity

246 he unsymmetrical aryl-aryl alkenes having an electron-withdrawing substituent at one of the aryl grou

247 A strengthening arises when an electron-withdrawing substituent is placed ortho to the

248 The effect of either an electron-donating or electron-withdrawing substituent is to increase the stab

249 nilines typically require the presence of an electron-withdrawing substituent on nitrogen to suppress

250 When the aryl ring bears a remote electron-withdrawing substituent, the isomer having both

251 d is high for both the electron-donating and electron withdrawing substituents in aromatic aldehydes.

252 Strong electron releasing or electron withdrawing substituents lead almost exclusivel

253 Unexpectedly, electron withdrawing substituents on the salen framework

254 pi-complexation for arenes bearing strongly electron-withdrawing substituents (sigma > 0.43).

255 o complexes as an example case, these highly electron-withdrawing substituents allow for polymerizati

256 and that these mechanisms can be altered by electron-withdrawing substituents and hydrogen-bonding s

257 roton affinity of the phenol using differing electron-withdrawing substituents and incorporated site-

258 and 2; i.e., strongly electron-donating and electron-withdrawing substituents are tolerated as well

259 Both electron-donating and electron-withdrawing substituents are tolerated on both

260 Strategic placement of electron-withdrawing substituents at the 2-, 3-, 5-, and

261 he 1,2-dihydropyrimidines with two different electron-withdrawing substituents at the C(2) position c

262 Only thiosemicarbazones with electron-withdrawing substituents at the imine carbon me

263 Only arenes with electron-withdrawing substituents can sufficiently stabi

264 nformational energy of a 5-aryl-1,3-dioxane: electron-withdrawing substituents decrease the conformat

265 Moreover, electron-withdrawing substituents destabilize the tetraz

266 relation with positive slope indicating that electron-withdrawing substituents enhance the radical-ca

267 Compounds bearing electron-withdrawing substituents have the highest photo

268 Moreover, the electron-withdrawing substituents increased the oxidatio

269 Diarylacetylenes bearing electron-withdrawing substituents lead to 2,3-diarylindo

270 (e) Electron-withdrawing substituents lead to higher activit

271 ng substituents leading to a weaker bond and electron-withdrawing substituents leading to stronger bo

272 lefin geometry (Z vs E), and the presence of electron-withdrawing substituents on adjacent carbons.

273 The presence of two electron-withdrawing substituents on both sides of the n

274 Electron-withdrawing substituents on the aldehyde favor

275 The presence of electron-withdrawing substituents on the alkyne is cruci

276 ce of halogen, alkyl, electron-donating, and electron-withdrawing substituents on the aromatic ring.

277 atic substitution and is thus accelerated by electron-withdrawing substituents on the aromatic ring.

278 for dithianes bearing electron-releasing or electron-withdrawing substituents on the aryl moiety, ev

279 several diaryl urea anions correlated to the electron-withdrawing substituents on the aryl rings.

280 By installation of electron-withdrawing substituents on the N-aryl moieties

281 ere amino acids as well as electron-donating/electron-withdrawing substituents on the substrate.

282 of arenes involve the use of either strongly electron-withdrawing substituents or directing groups.

283 We also found that the attachment of electron-withdrawing substituents to carbon nanotubes sy

284 nd can be tuned by over 70-fold by appending electron-withdrawing substituents to the phenylenediamin

285 red by electron-donating substituents, while electron-withdrawing substituents typically result in 1:

286 Pyridinyl amide ion pairs carrying various electron-withdrawing substituents were synthesized with

287 -enhanced Bronsted acid organocatalysts with electron-withdrawing substituents were synthesized, and

288 ngement to take place despite the absence of electron-withdrawing substituents, and even with sterica

289 bstantial activation of the aromatic ring by electron-withdrawing substituents, such activating group

290 For a series of aryl sulfonates with electron-withdrawing substituents, the rate of deprotect

291 an be suppressed through the introduction of electron-withdrawing substituents.

292 y from reactions involving ketones with more electron-withdrawing substituents.

293 tions, and a series of electron-donating and electron-withdrawing substituents.

294 s(-1) were accessible by combining bulky and electron-withdrawing substituents.

295 ions between the H12SubPc macrocycle and the electron-withdrawing TCBD unit directly attached at its

296 nors adopted very predominantly the strongly electron-withdrawing tg conformation of their side chain

297 -deficient cavity due to the presence of the electron-withdrawing transition metals, thus allowing en

298 Electron-withdrawing trifluoromethyl groups were charact

299 aintaining a high planarity, introduction of electron-withdrawing units for lowering the bandgap (Eg)

300 on electron-donor units combined with strong electron-withdrawing units possess excellent electronic