ライフサイエンスコーパス: cyclopentadienyl

1 micro-S)(2)(micro-SH)(2)MoCp (1, Cp = eta(5)-cyclopentadienyl).

2 the manganocene ion, Cp(2)Mn(+) (Cp = eta(5)-cyclopentadienyl).

3 metric catalyst, [(Cp)2ZrMe][B(C6F5)4] (Cp = cyclopentadienyl).

4 o-C(2) B(9) H(11) (2-) is isoelectronic with cyclopentadienyl.

5 Selective substitution of chloride from cyclopentadienyl(1,4-dichlorobenzene)ruthenium by using

6 ng Cp(R) (2)Ln(x) units (Cp(R) = substituted cyclopentadienyl), 1 features the highest nuclearity obt

7 )Ti(eta(2)-Me(3)SiC(2)SiMe(3)) (Cp' = eta(5)-cyclopentadienyl, 1a or eta(5)-pentamethylcyclopentadien

8 technique that uses a magnetic molecule, Ni(cyclopentadienyl)(2), adsorbed at the apex of a scanning

9 noline N-oxide as the oxidant; the resulting cyclopentadienyl aldehydes were obtained in good yields.

10 7)-C(7)H(7))Zr(Y)]; Y comprises pentadienyl, cyclopentadienyl, allyl, phospholyl, boratabenzene, imid

11 The group 6 molybdenum(II) cyclopentadienyl amidinate (CPAM) bis(carbonyl) complex

12 alysis and compare their reactivity to their cyclopentadienyl analogues, wherever possible.

13 tal of pentadienyl is stabilized relative to cyclopentadienyl and becomes a better potential delta el

14 nthesis strategies (e.g. as accomplished for cyclopentadienyl and carbene derivatives) and a rewardin

15 culations on these reactions, involving both cyclopentadienyl and carboranyl ligands on the metal car

16 Phen)Cl](+) (5, Cp(XPh) = tetramethyl-phenyl-cyclopentadienyl and Ph(2)Phen = 4,7-diphenyl-1,10-phena

17 pCo(OP(OR)(2))(3))(2)Co](SbCl(6)) where Cp = cyclopentadienyl and R = Me (1), Et (2), i-Pr (3), and t

18 oid arylcarbenes: Ar = cycloheptatrienyl(+), cyclopentadienyl(-), and cyclopropenyl(+).

19 zene (C6H7(+)/C6H6), the 2,4-cyclopentadiene/cyclopentadienyl anion (C5H6/C5H5(-)), and the cyclobute

20 crystalline NiX(6) complex, Ni(BeCp)(6) (1; cyclopentadienyl anion (Cp)), formed by the insertion of

21 tion of aromaticity in the highly stabilized cyclopentadienyl anion congeners.

22 al stereoablative complexation of an achiral cyclopentadienyl anion that detrimentally yields a racem

23 partly acquiring an additional 4n + 2 group (cyclopentadienyl anion) as it switches from the para-qui

24 2)](+) cations (where Cp(R) is a substituted cyclopentadienyl anion) have emerged as clear front-runn

25 The complex diberyllocene, CpBeBeCp (Cp, cyclopentadienyl anion), has been the subject of numerou

26 nyl ligand, which is a close relative of the cyclopentadienyl anion, but which is also known to exhib

27 es as well as to charged species such as the cyclopentadienyl anion, the cyclooctatetraene dianion an

28 e digermyne and distannyne with CpH gave the cyclopentadienyl anion, which is bound in a pi-fashion t

29 do-carboranes that mimic the behavior of the cyclopentadienyl anion.

30 and 3(-)-S compared to those of benzene and cyclopentadienyl anion.

31 of the first metal complexes featuring heavy cyclopentadienyl anions SnP(4)(2-) and PbP(4)(2-).

32 rsors contain large organic ligands, such as cyclopentadienyl anions, that tend to become embedded in

33 Despite the abundance of f-block-cyclopentadienyl, arene, cycloheptatrienyl and cyclo-oct

34 examples of f-element compounds supported by cyclopentadienyl, arene, cycloheptatrienyl, and cyclooct

35 The reaction pathways of cyclopentadienyl bearing hydrocarbons are different from

36 anohoop structure, fully dissociating the Fe-cyclopentadienyl bonds in the presence of 1,10-phenanthr

37 lution photochemistry of [CpFebz]+ (Cp, eta5-cyclopentadienyl; bz, eta6-benzene).

38 the 1-indenyl (C(9)H(7)(*)) radical and the cyclopentadienyl (C(5)H(5)(*)) radical has been investig

39 ination with the gold-catalyzed formation of cyclopentadienyl carbonates in a one-pot, two-step proce

40 In contrast, iridium cyclopentadienyl catalysts cause cancer cell death by ox

41 matrices yields a zwitterion consisting of a cyclopentadienyl cation bearing a positive charge and a

42 current in the TS pointing to antiaromatic, cyclopentadienyl cation character.

43 inated complexes of eta(2)-tropylium, eta(2)-cyclopentadienyl cation, and eta(2)-cyclooctatetraene ha

44 c dianion, and also with the behavior of the cyclopentadienyl cation/anion and tropylium cation/anion

45 e derivative gave cyanotetra(methoxycarbonyl)cyclopentadienyl cesium.

46 In contrast to bis-cyclopentadienyl chemistry, the olefin adducts of the bi

47 ged bis(diphenylacetylenes) with a source of cyclopentadienyl cobalt at high temperature leads, via m

48 D), combined with chemical ionization by the cyclopentadienyl cobalt radical cation (CpCo(*+)) in a F

49 ergies (10 eV) and chemical ionization using cyclopentadienyl cobalt radical cation (CpCo*+) were emp

50 D), combined with chemical ionization by the cyclopentadienyl cobalt radical cation (CpCo.+), is demo

51 A chiral cyclopentadienyl cobalt(III)-catalyzed enantioselective

52 thynyl-3,4-bis(trimethylsilyl)cyclobutadiene(cyclopentadienyl )cobalt or 1,2-diethynylferrocene) is f

53 capsulation of two metallocene compounds bis(cyclopentadienyl) cobalt and bis(ethylcyclopentadienyl)

54 In particular, bis(cyclopentadienyl) cobalt is observed to fill only nanotu

55 Tetraphenylcyclobutadiene(cyclopentadienyl)cobalt complexes and phenyleneethynylen

56 24 or 44 phenyl rings and one cyclobutadiene(cyclopentadienyl)cobalt unit is reported.

57 carbene (NHC) ligands having a bulky eta(5)-cyclopentadienyl-cobalt-eta(4)-tetraphenylcyclobutadiene

58 molecular hydroamination of allenes than bis(cyclopentadienyl) complex Cp(2)ZrMe(2) (23).

59 Planar-chiral-only rhodium and iridium cyclopentadienyl complexes are particularly promising du

60 ve fluoroalkyl- and fluorophenyl-substituted cyclopentadienyl complexes WCp(eta(5)-C(5)H(4)R(F))(H)I

61 g-standing appreciation for transition metal cyclopentadienyl complexes, of which many have been used

62 Whereas transition-metal bis(cyclopentadienyl) complexes are known to stabilize three

63 The synthesis of previously unknown bis(cyclopentadienyl) complexes of the first transition meta

64 been achieved with axial dysprosium(III) bis(cyclopentadienyl) complexes(7-17).

65 2-Nd are like the new nine ions in this tris(cyclopentadienyl) coordination geometry.

66 s facilitated by the use of a functionalized cyclopentadienyl (Cp(TMP)*)Rh(III) [Cp(TMP)* = 1-(3,4,5-

67 ed by the solvent and the electronics of the cyclopentadienyl (Cp(x)) ligand on Ir.

68 However, rationalization of the effects of cyclopentadienyl (Cp(X)) ligand structure on reaction ra

69 Chiral cyclopentadienyl (Cp(X)) metal complexes are frequently

70 Phosphorus analogues of the ubiquitous cyclopentadienyl (Cp) are a rich and diverse family of c

71 vation reactions has largely been limited to cyclopentadienyl (Cp) based scaffolds.

72 Titanium cyclopentadienyl (Cp) complexes play important roles as

73 The cyclopentadienyl (Cp) group is a ligand of great importa

74 Replacing a monoanionic cyclopentadienyl (Cp) ligand in dysprosium single-molecu

75 The cyclopentadienyl (Cp) ligand is a cornerstone of modern

76 ack of robust and tunable chiral versions of cyclopentadienyl (Cp) ligands hampers progress in the de

77 Among the 12 C(s)-ligated ansa-cyclopentadienyl (Cp)-R(2)E(C,Si)-fluorenyl (Flu) group

78 Embedding a Rh cyclopentadienyl (Cp*) catalyst in the active site of mS

79 of [CpCo(CN)(3)](-) and [Cp*Ru(NCMe)(3)](+) (cyclopentadienyl, Cp; pentamethylcyclopentadienyl, Cp*)

80 Herein we report the use of cyclopentadienyl (CPD) and amino functionalized silica t

81 cryptand)][La(Cp(tt))(3)] (3), which feature cyclopentadienyl derivatives as ligands [Cp' = C(5)H(4)S

82 are linked to make a new type of ansa-allyl-cyclopentadienyl dianion that binds as a pentahapto-trih

83 (eta(5)-Cyclopentadienyl)dicarbonyliron carbene complexes, [(eta

84 of [CoCp(dxpe)(NCCH(3))](2+) complexes (Cp = cyclopentadienyl, dxpe = 1,2-bis(di(aryl/alkyl)phosphino

85 Me(3)), which can both be regarded as steric cyclopentadienyl equivalents.

86 on process (Rautenstrauch reaction) leads to cyclopentadienyl ester intermediates which are trapped b

87 ential nucleophilic substitution of [(eta(5)-cyclopentadienyl)(eta(6)-(m- or p-dichlorobenzene))]iron

88 metric Me2C(Cp)(Flu)ZrMe2 (1; Cp = C5H4,eta5-cyclopentadienyl; Flu = C13H8, eta5-fluorenyl) and C1-sy

89 /indyl systems, are ultimately accessed from cyclopentadienyl Ga(I)/In(I) precursors by substitution

90 iisopropylphenyl)-imidazolidin-2-ylidene; Cp=cyclopentadienyl), gives rise to an asymmetric bimetalli

91 ple, the crystal structures reveal that both cyclopentadienyl groups in the ferrocenyl donor contribu

92 nd decreases dramatically with the number of cyclopentadienyl groups on titanium.

93 p = eta(5)-C(5)Me(5), CpR(n)() = substituted cyclopentadienyl), has been measured as a function of cy

94 ions, [Dy(Cp(R))(2)](+) (Cp(R) = substituted cyclopentadienyl), have recently been shown to exhibit s

95 ions, [Dy(Cp(R))(2)](+) (Cp(R) = substituted cyclopentadienyl), have set record effective energy barr

96 a similar iminocyclization reaction to give cyclopentadienyl imines efficiently.

97 is controlled by the electronically tunable cyclopentadienyl Ir(III)-complexes enabling oxyamination

98 zymes: half-sandwich arene ruthenium(II) and cyclopentadienyl iridium(III) complexes containing N,N-c

99 ated from the reaction of [IPrNSnCl](2) with cyclopentadienyl iron dicarbonyl anion.

100 A new cyclopentadienyl iron(II) tricarbonyl complex has been i

101 (HFO) has been studied using ferrocene (bis-cyclopentadienyl iron(II); Fc) derivatives as electron s

102 W, 3; Cp2ReH, 4; Cp2Ta(H)CO, 5; Cp = eta(5)-cyclopentadienyl) is demonstrated by (1)H NMR spectrosco

103 In these three cases, the same product cyclopentadienyl ketene (5) is formed, and two different

104 ungsten(II) complexes [MCp(2)L] (Cp = eta(5)-cyclopentadienyl; L = C(2)H(4), CO) react with perfluoro

105 Bis-cyclopentadienyl lanthanide sandwich complexes have emer

106 ansa-bridges is due to stabilization of the cyclopentadienyl ligand acceptor orbital, which subseque

107 ene (BeCp(2)) led to the displacement of one cyclopentadienyl ligand at beryllium and the formation o

108 The cyclopentadienyl ligand bears a tethered pyridine that b

109 cule have shown that the coordination of the cyclopentadienyl ligand does not play a direct role in t

110 onger than the average Zr-C distances to the cyclopentadienyl ligand for these Zr(IV) complexes, oppo

111 derivatives of the versatile and ubiquitous cyclopentadienyl ligand has long remained an underdevelo

112 errocene arising from rotation of one methyl cyclopentadienyl ligand relative to the other about the

113 dentate directing group and the use of a new cyclopentadienyl ligand to control the reactivity of rho

114 e N2 carboxylation is controlled by the ansa-cyclopentadienyl ligand where the sterically demanding t

115 on the nature of the substituent(s) R on the cyclopentadienyl ligand with increased rates being obser

116 (CH2)2](mu-H)2U(C5Me5)2, 1, which contains a cyclopentadienyl ligand with two metalated methylene sub

117 O)6]2+ (where Cp(gamma) represents a generic cyclopentadienyl ligand), which may be itself reduced ca

118 The tethered olefin cyclopentadienyl ligand, [(C(5)Me(4))SiMe(2)(CH(2)CH=CH(

119 e methylneopentyl substituent on the "upper" cyclopentadienyl ligand, and diastereomerically pure pre

120 (gamma)(CO) 3, where Cp (gamma) is a generic cyclopentadienyl ligand, has been studied in a CH 2Cl 2/

121 1-cyclohexylethyl substituent on the "lower" cyclopentadienyl ligand, has been synthesized for use in

122 ributions of the benzo-fused relative of the cyclopentadienyl ligand, the indenyl ligand, whose uniqu

123 )-C5H4)2, and CpCp* (Cp* = eta(5)-C5Me5) bis(cyclopentadienyl) ligand sets were employed.

124 enantiomerically enriched (up to 93:7 e.r.) cyclopentadienyl ligands (C5H4CHEtAr; abbreviated Cp(R))

125 ; Subset 3, mononuclear Ln complexes without cyclopentadienyl ligands (Cp) (26156 structures); Subset

126 ture of 2 consists of unsymmetrically bonded cyclopentadienyl ligands and a bending angle of 167.82 d

127 d our work on zirconium complexes containing cyclopentadienyl ligands and show that adjustment of the

128 Other cyclopentadienyl ligands are fully covered but only disc

129 he bonding and properties of pentadienyl and cyclopentadienyl ligands in the same high-oxidation-stat

130 omplexes equipped with trisubstituted chiral cyclopentadienyl ligands is reported, and their steric a

131 hium polysulfides and the negatively charged cyclopentadienyl ligands of ferrocene.

132 Unsaturated bridges that link the two cyclopentadienyl ligands together in strained ansa metal

133 ent organometallic chemistry is dominated by cyclopentadienyl ligands.

134 extent of rotational alignment of their two cyclopentadienyl ligands.

135 irst example of azide insertion into a metal cyclopentadienyl linkage to generate (C(5)Me(5))(2)La[et

136 investigate the dissociation kinetics of the cyclopentadienyl manganese tricarbonyl ion, CpMn(CO)(3)(

137 odoperfluorohexane to a series of bis(eta(5)-cyclopentadienyl)metal hydrides (Cp2TaH3, 1; Cp2MH2, M =

138 een metallocene and [(eta(6)-fulvene)(eta(5)-cyclopentadienyl)metal] structures in the ruthenium case

139 e place in related substitution reactions of cyclopentadienyl-metal complexes.

140 , carbene migratory insertion often leads to cyclopentadienyl-metal products.

141 N2 functionalization by C-H activation of a cyclopentadienyl methyl substituent in the mixed ring di

142 ve elimination offering a unique approach to cyclopentadienyl modification.

143 quantitative conversion within minutes when cyclopentadienyl moieties were involved.

144 s Lambda-FL172 and Lambda-FL411 in which the cyclopentadienyl moiety of NP309 is replaced by a chlori

145 tene-1,4-diol with CpRu(MQA)(C(3)H(5)) (Cp = cyclopentadienyl, MQA = 4-methoxyquinoline-2-carboxylate

146 tic nickel(I) compounds, CpNi(NHC) (where Cp=cyclopentadienyl; NHC=1,3-bis(2,4,6-trimethylphenyl)imid

147 ited at 60 degrees C by the reduction of bis(cyclopentadienyl)nickel and copper was deposited from ei

148 M(eta2-Me3SiC2SiMe3) (Cp' = substituted eta5-cyclopentadienyl), of alpha-di-Ph2P- (hetero-tri-functio

149 by bridging allyl or related ligands such as cyclopentadienyl or indenyl ligands.

150 Moreover, cyclopentadienyl phenanthroline iridium(III) derivatives

151 dly less bending of the C(N) atom out of the cyclopentadienyl plane in 2 (+) compared to 2.

152 both display unexpected coordination of the cyclopentadienyl portion of the fulleride anion with Ag(

153 is 1,2-benzenedithiolate, and Cp is eta(5)- cyclopentadienyl] provide access to three different elec

154 ly derivatized C(60) surface that protects a cyclopentadienyl radical center on the fullerene.

155 analyses of three symmetrically substituted cyclopentadienyl radicals (1, 2, 5) containing stericall

156 UV/vis spectroscopy including two additional cyclopentadienyl radicals (1-5).

157 to predict the ground states, 2A2 or 2B1, of cyclopentadienyl radicals that are mono- and bis-annelat

158 e mode of bond localization in the annelated cyclopentadienyl radicals.

159 l activation of the Ln(3+) mixed-ligand tris(cyclopentadienyl) rare-earth complexes (eta(5)-C5Me5)(3-

160 Chiral cyclopentadienyl rhodium complexes promote highly enanti

161 o attack of the nitrido nitrogen atom at the cyclopentadienyl ring and consecutive ring expansion to

162 Several coordination modes between the cyclopentadienyl ring embedded in the fullerene and the

163 A shift of the C-H bending mode of the cyclopentadienyl ring from 823 to 857 cm-1 occurred upon

164 ough the insertion of a substituent onto the cyclopentadienyl ring of an oxazoline-conjugated ferroce

165 as a probe of the electronic influence of a cyclopentadienyl ring substituent.

166 withdrawing substituent (CO2Me or CN) to the cyclopentadienyl ring when compared with Cp2TiCl.

167 t intramolecular reaction at the substituted cyclopentadienyl ring.

168 etallic structure, featuring freely rotating cyclopentadienyl rings around a central Fe(II) ion, acts

169 ort the conclusion that the rotation of both cyclopentadienyl rings in ferrocene can be controlled el

170 rigid triene chain conjugated to one of the cyclopentadienyl rings of the ferrocene residue, and as

171 bipyridinium substituents introduced on both cyclopentadienyl rings through covalent linkers of diffe

172 The rotational orientation of cyclopentadienyl rings usually has no effect on d-orbita

173 ine to ferrocene through the bridging of the cyclopentadienyl rings were studied alongside their mono

174 The nonspecific interaction of the cyclopentadienyl rings with the electrodes enables exten

175 enes present the electron-rich pai system of cyclopentadienyl rings, which interacts with the gold el

176 sted acidic anilinium tethered to one of the cyclopentadienyl rings.

177 prising coordinating ligands attached to the cyclopentadienyl rings.

178 As such, a new series of ruthenium-cyclopentadienyl ("RuCp") compounds with the general for

179 -vinyl chlorides were found to be the use of cyclopentadienyl ruthenium (II) cyclooctadiene chloride,

180 ynthesis of a novel chiral sulfoxide-ligated cyclopentadienyl ruthenium complex is described.

181 4 nL of various levels of a pyridocarbazolo-cyclopentadienyl ruthenium complex Pim1 inhibitor, follo

182 nocene bridged to a [(eta(6)-fulvene)(eta(5)-cyclopentadienyl)ruthenium] cation by a vinylene moiety.

183 metry of 2 is that of a perfectly linear bis(cyclopentadienyl) sandwich complex, with the ground-stat

184 rst crystallographically characterizable bis(cyclopentadienyl) scandium(II) complex, Cp(ttt)(2)Sc, 2.

185 ty of centres (covalent Cp-Cp linkages; Cp = cyclopentadienyl) solution voltammograms exhibit well-re

186 n the case of the five-membered carbocycles, cyclopentadienyl species ArECp [E = Ge (3), Sn (4)] are

187 adienyl), has been measured as a function of cyclopentadienyl substituent.

188 These studies highlight the importance of cyclopentadienyl substituents on transformations involvi

189 varying the proton source, the solvent, the cyclopentadienyl substituents, and the sulfur substituen

190 The cyclopentadienyl(-)-substituted system fits the HIA vs D

191 With appropriate cyclopentadienyl substitution, these compounds undergo r

192 of Cp(2)Ti(kappa(2)-(t)BuNCN(t)Bu) (3) (Cp = cyclopentadienyl, (t)Bu = tert-butyl), a strained 4-memb

193 or unsubstituted bridged or unbridged eta(5)-cyclopentadienyl), the expected mononuclear complexes Cp

194 r acceptor character of cyclo-P5 compared to cyclopentadienyl, the strongly reducing nature of uraniu

195 f titanium-nitrogen bonds in a series of bis(cyclopentadienyl) titanium amides, hydrazides and imides

196 uterium oxide, and methanol complexes of bis(cyclopentadienyl)titanium(III) chloride with the seconda

197 transposition of this intermediate with bis(cyclopentadienyl)titanium(III) chloride.

198 [CoCp2][Tp(iPr)Mo(V)OS(2-OC6H4CO2Et)] [Cp = cyclopentadienyl; Tp(iPr) = hydrotris(3-isopropylpyrazol

199 New linked cyclopentadienyl-tricarbadecaboranyl and bis-tricarbadec

200 The hybrid cyclopentadienyl-tricarbadecaboranyl dianion, Li2(+)[6-C

201 or 2-phenylbenzimidazole is replaced by the cyclopentadienyl tricarbonyl [Cp(99m)Tc(CO)(3)] core, ar

202 d catalytic systems supported by noninnocent cyclopentadienyl-type ligands.

203 The deprotonation creates an anionic cyclopentadienyl unit, switches on conjugation, leads to

204 c hydrocarbon growth from acenaphthylene and cyclopentadienyl was investigated by using the B3LYP/6-3

205 early reports e.g. about Cp4Ce (Cp = eta(5)-cyclopentadienyl), were later disproven.

206 Although cyclo-P5 is isolobal to cyclopentadienyl, which usually bonds to metals via sigm

207 of crystallographically characterized Ag(I) cyclopentadienyls whose preparation was possible thanks

208 )Cl](+) (6, Cp(XBiPh) = tetramethyl-biphenyl-cyclopentadienyl) with nanomolar IC(50) values.

209 lkane)] and [CpRe(CO)2(alkane)] (Cp = eta(5)-cyclopentadienyl), with samples of [CpRe(CO)2(cyclopenta

210 yclic pai-ligand isoelectronic to ubiquitous cyclopentadienyls, with two equivalents of "silicocenium

211 of the form Cp(6,6-dmch)ZrX(2) (Cp = eta(5)-cyclopentadienyl, X = Cl, Br, I; 6,6-dmch = eta(5)-6,6-d

212 covalency in the ytterbium 4f shell of tris-cyclopentadienyl ytterbium (YbCp(3)) in its electronic g