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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

21 The reaction pathways of cyclopentadienyl bearing hydrocarbons are different from

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

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

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

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

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

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

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

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

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

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

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

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

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

35 Tetraphenylcyclobutadiene(cyclopentadienyl)cobalt complexes and phenyleneethynylen

36 24 or 44 phenyl rings and one cyclobutadiene(cyclopentadienyl)cobalt unit is reported.

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

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

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

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

41 2-Nd are like the new nine ions in this tris(cyclopentadienyl) coordination geometry.

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

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

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

45 Titanium cyclopentadienyl (Cp) complexes play important roles as

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

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

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

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

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

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

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

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

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

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

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

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

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

59 a similar iminocyclization reaction to give cyclopentadienyl imines efficiently.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

78 1-cyclohexylethyl substituent on the "lower" cyclopentadienyl ligand, has been synthesized for use in

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

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

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

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

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

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

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

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

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

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

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

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

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

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

93 ve elimination offering a unique approach to cyclopentadienyl modification.

94 quantitative conversion within minutes when cyclopentadienyl moieties were involved.

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

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

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

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

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

100 Moreover, cyclopentadienyl phenanthroline iridium(III) derivatives

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

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

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

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

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

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

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

108 Chiral cyclopentadienyl rhodium complexes promote highly enanti

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

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

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

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

113 t intramolecular reaction at the substituted cyclopentadienyl ring.

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

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

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

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

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

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

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

121 4 nL of various levels of a pyridocarbazolo-cyclopentadienyl ruthenium complex Pim1 inhibitor, follo

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

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

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

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

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

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

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

129 With appropriate cyclopentadienyl substitution, these compounds undergo r

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

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

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

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

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

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

136 New linked cyclopentadienyl-tricarbadecaboranyl and bis-tricarbadec

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

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

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

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

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

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

143 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

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