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1 assical Diels-Alder (DA) reactions (with 1,3-cyclopentadiene).
2 een synthesized from hexachlorobutadiene and cyclopentadiene.
3 nd as dienophiles (C=S) in the reaction with cyclopentadiene.
4 acid, acid chloride) with cyclohexadiene and cyclopentadiene.
5 hich itself is accessible in five steps from cyclopentadiene.
6  precursor [M(olefin)(2)OAc](2) and a chiral cyclopentadiene.
7 ned with dienophiles upon 365 nm uncaging of cyclopentadiene.
8 echanism proceeding through the exo dimer of cyclopentadiene.
9 lder (DA) reactions of cinnamate esters with cyclopentadiene.
10 e DA reaction between (E)-cinnamaldehyde and cyclopentadiene.
11 e termini are held in close proximity, as in cyclopentadiene.
12 ects were determined for the dimerization of cyclopentadiene.
13 2-aryl-alpha,beta-unsaturated aldehydes with cyclopentadiene.
14 ydrogenation and a Diels-Alder reaction with cyclopentadiene.
15  cycloaddition of BTF with 1-isopropenyl-1,3-cyclopentadiene.
16 n of N-2-alkenoyl-1,3-oxazolidine-2-one with cyclopentadiene.
17  supported by olefin moieties of substituted cyclopentadienes.
18 rall reaction provides a useful synthesis of cyclopentadienes.
19 lity of [1,5] hydrogen shifts in substituted cyclopentadienes.
20 5-0.65 eV: the most reliable predictions are cyclopentadiene (-0.63 eV), indene (-0.49 eV), fluorene
21 pe effects for rearrangement of 5-methyl-1,3-cyclopentadiene (1) to 1-methyl-1,3-cyclopentadiene (2).
22  been trapped with MeOH to afford methyl 1,3-cyclopentadiene-1- and -2-carboxylates 15 and 16.
23 two unstable components, cyclopropene 10 and cyclopentadiene 11.
24 ls-Alder adducts with perfluoroalkylated 1,3-cyclopentadiene (1a,b) were synthesized and studied.
25 thyl-1,3-cyclopentadiene (1) to 1-methyl-1,3-cyclopentadiene (2).
26 ates the 1,5-hydrogen shift reactions of 1,3-cyclopentadiene (2a) and 5-methyl-1,3-cyclopentadiene (2
27 of 1,3-cyclopentadiene (2a) and 5-methyl-1,3-cyclopentadiene (2c).
28  a series of dienes--1,3-dimethoxybutadiene, cyclopentadiene, 3,6-dimethyltetrazine, and 3,6-bis(trif
29 sigmatropic shift reactions of 5-substituted cyclopentadienes, 3-substituted cyclopropenes, and 7-sub
30 els-Alder reaction between 5-(trimethylsilyl)cyclopentadiene (36) and 5-(2-azidoethyl)-2,3-dimethoxyb
31 al/mol) include: 1,2-cyclobutadiene, 65; 1,2-cyclopentadiene, 51; 1,2-cyclohexadiene, 32; 1,2-cyclohe
32 ophiles in the Diels-Alder reaction with 1,3-cyclopentadiene (80-98% yield).
33 f five-, six-, and seven-membered ring-fused cyclopentadienes (85-99% ee) is based on the Au(I)-catal
34 y drawing analogies from the dimerization of cyclopentadiene, a novel reaction pathway bifurcation is
35 n, which quickly cyclizes to form the target cyclopentadiene, accounts for the lack of erosion of the
36 tive synthesis of the endo-exo norbornadiene cyclopentadiene adduct (Stillene) was achieved, which en
37 an the reported value (95 degrees C) for the cyclopentadiene adducts of C60.
38 ,beta-unstaturated N-acyloxazolidinones with cyclopentadiene affording the adducts in high yield and
39 hetero-Diels-Alder cycloadducts derived from cyclopentadiene affords exo-triazolines in excellent yie
40         The adiabatic electron affinities of cyclopentadiene and 10 associated benzannelated derivati
41 the readily available Diels-Alder adducts of cyclopentadiene and 2-allyl-p-benzoquinone, has been dev
42 cid catalysts in the Diels-Alder reaction of cyclopentadiene and acrylate imide is presented.
43                        The radical anions of cyclopentadiene and all of its annulated derivatives hav
44 vered, the Diels-Alder cyclization between a cyclopentadiene and an olefinic dienophile to form norbo
45 eld and 92% ee in the model reaction between cyclopentadiene and cinnamic aldehyde).
46 he potential cycloaddition reactions between cyclopentadiene and cycloheptatriene have been explored
47                        The cycloadditions of cyclopentadiene and cycloheptatriene with tropone are so
48 l studies on the reactivity and stability of cyclopentadiene and cyclopentadiene derivatives.
49 ation of "late" stable oxidation products of cyclopentadiene and cyclopentene.
50 syn) in overall 11% yield, using inexpensive cyclopentadiene and diethyl fumarate as starting materia
51 catalyzed Diels-Alder cycloadditions between cyclopentadiene and different aldehydes, affording resul
52 tion of PhSCF2SiMe3 to both maleic anhydride-cyclopentadiene and maleic anhydride-cyclohexadiene addu
53 s catalyzed the Diels-Alder cycloaddition of cyclopentadiene and methacrolein.
54 e to catalyze a Diels-Alder reaction between cyclopentadiene and methyl vinyl ketone to generate 2-ac
55 solution step from the Diels-Alder adduct of cyclopentadiene and p-benzoquinone, has been devised.
56       The tropone adds in [6 + 4] fashion to cyclopentadiene and photocyclizes to hexafluorobicyclo[3
57 exocyclic diene portion of 1-isopropenyl-1,3-cyclopentadiene and the contrasting preference of 2-acet
58 l electron-demand Diels-Alder reactions with cyclopentadiene and the inverse electron-demand Diels-Al
59 Diels-Alder cycloaddition reaction involving cyclopentadiene and these macrocyclic systems has been s
60 atalysis of the Diels-Alder reaction between cyclopentadiene and trans-beta-nitrostyrene, the key ste
61 uadricyclane, 1,3,5,7-cyclooctatetraene, 1,3-cyclopentadiene, and 1,3,5-cycloheptatriene to afford th
62 indenes, aryl-containing dienes and trienes, cyclopentadienes, and polycyclic lactones have been deve
63 he strong axial ligand field afforded by the cyclopentadiene anions, and the design of analogous comp
64 dienophile pairs being either petro-sourced (cyclopentadiene, anthracene) or bio-sourced (muconic and
65     From a synthetic point of view, when the cyclopentadienes are subjected to a quick 1,5-H shift an
66 a versatile platform to access and study new cyclopentadiene-based and better-defined homopolymer net
67 -N bond cleavage generates the corresponding cyclopentadienes bearing a hydrazine and an alcohol appe
68 so converted into ring-fused, functionalized cyclopentadienes, bearing a protected amino group, by th
69  exhibits stronger interaction energies than cyclopentadiene, but the high distortion energies requir
70 re since the first attempt to homopolymerize cyclopentadiene by Staudinger in 1926.
71 us conversion of cycloaddition products into cyclopentadienes by a highly regioselective cleavage of
72 Ps in a chemical microreactor to produce 1,3-cyclopentadiene (c-C(5)H(6)), cyclopentene (c-C(5)H(8)),
73 nd seven-membered ring-fused, functionalized cyclopentadienes can be obtained in moderate to excellen
74                     The Diels-Alder dimer of cyclopentadiene carboxylate, Thiele's acid has conformat
75 ene cycloaddition as well as applications of cyclopentadiene click reactions.
76 pproach that requires precise stoichiometry, cyclopentadiene (Cp) can serve dual roles via self-dimer
77 ion with tetrazine, highly reactive "masked" cyclopentadiene (Cp) functionalities can be introduced i
78                                              Cyclopentadiene (Cp) undergoes a Diels-Alder reaction wi
79                                     To date, cyclopentadiene (Cp)-derived catalysts are the most comm
80 rs with vicinal C-C and C-N chiral diaxes by cyclopentadiene (Cp)-free cobalt-catalyzed intramolecula
81 he reactions of bicyclic enone (BCE, 1) with cyclopentadiene (Cp, 2) and the five-membered heterocycl
82 phatic, allylic C-H bonds in cyclic olefins, cyclopentadiene (CpH), cyclopentene (c-C(5)H(8)) and 1,4
83 (6)H(3)-2,6-iPr(2))(2)] with a cyclic olefin-cyclopentadiene (CpH), cyclopentene, 1,4-cyclohexadiene
84 synthetic approach for asymmetric ring-fused cyclopentadienes (Cps) with a chiral carbon at the ring
85                                              Cyclopentadienes (CPs) with Raman and electrochemically
86 n this review, we discuss the history of the cyclopentadiene cycloaddition as well as applications of
87          The high reactivities and yields of cyclopentadiene cycloadditions make them ideal as click
88                 The Diels-Alder reactions of cyclopentadiene, cyclohexadiene, and cycloheptadiene wit
89 enzenium ion/benzene (C6H7(+)/C6H6), the 2,4-cyclopentadiene/cyclopentadienyl anion (C5H6/C5H5(-)), a
90 y of the five-membered ring; the nonaromatic cyclopentadiene derivative has the highest conductance,
91                                            A cyclopentadiene derivative of lysine (CpHK) served as th
92 bornadienes by Diels--Alder cycloaddition of cyclopentadiene derivatives with substituted benzyne int
93 ctivity and stability of cyclopentadiene and cyclopentadiene derivatives.
94 The strategic advantage of 5-(trimethylsilyl)cyclopentadiene Diels-Alder adducts is demonstrated by s
95 clo[2.2.1]heptane core via an intramolecular cyclopentadiene-Diels-Alder cycloaddition.
96  indeed had perfectly described not only the cyclopentadiene dimerization mechanism, but a new class
97 s-Alder reactions of methyl vinyl ketone and cyclopentadiene employing the H-bonding catalysts.
98  from acylnitroso cycloaddition reactions of cyclopentadiene, followed by N-O reduction and efficient
99 rived from 1,3-cyclopentadiene or methyl-1,3-cyclopentadiene, followed by oxidation with aqueous ferr
100 fied P-nitroso phosphine oxide (18) with 1,3-cyclopentadiene forms the diastereomeric cycloadducts 16
101 r fullerenes in Diels-Alder reactions with a cyclopentadiene-functionalized resin.
102  systems (ethene, ethyne, 1,3-butadiene, 1,3-cyclopentadiene, furan, benzene) were examined computati
103  three different cyclic five-membered rings: cyclopentadiene, furan, or thiophene.
104               The reactivities of butadiene, cyclopentadiene, furan, thiophene, pyrrole, and their 1-
105 od for the synthesis of functionalized novel cyclopentadiene-fused chromanone scaffolds.
106 l acrylate, and methyl 2,3-butadienoate with cyclopentadiene has been performed.
107 alpha-ketophosphonates and nitroalkenes with cyclopentadiene have been explored by using density func
108 acrylates with N-Cbz-1,2-dihydropyridine and cyclopentadiene have been explored to investigate the fa
109                       The hydrogen shifts in cyclopentadienes have a diatropic ring current indicatin
110  annulations of N-carbonyl aryldiazenes with cyclopentadiene in chloroform, in which N-carbonyl aryld
111                      Reaction of 18 with 1,3-cyclopentadiene in the presence of a Lewis acid produces
112 iels-Alder cycloaddition of acrylonitrile to cyclopentadiene in the presence of diffusion and flow in
113 tional benzene ring in the sequence fused to cyclopentadiene increases the electron affinity by 0.15-
114 lic unit within the porphyrin framework with cyclopentadiene, indene, azulene, cycloheptatriene, or b
115 ified to catalyze the formation of the 6/6/5 cyclopentadiene intermediate, 2S-remisporine A, from a 6
116 nd, ultimately, vinyl- and ethyl-substituted cyclopentadiene-iron complexes, respectively.
117  While the 1,5-sigmatropic hydrogen shift in cyclopentadiene is generally thought to be a unimolecula
118                                              Cyclopentadiene is known for its high reactivity and pro
119             The transition state geometry of cyclopentadiene is less distorted in the asynchronous re
120                                              Cyclopentadiene is one of the most reactive dienes in no
121    1H-Benz[f]indene, a naphthalene-annulated cyclopentadiene, is predicted to have a zero-point energ
122 as found to be less reactive toward C60 than cyclopentadiene itself, possibly because of the electron
123 enophiles in the cycloaddition reaction with cyclopentadiene leads to the formation of spiro-gamma-la
124          Newly predicted values include: 1,2-cyclopentadiene <1 kcal/mol and bicyclo[3.2.1]octa-2,3-d
125 oss of CO, to afford the exo-fluoroalkylated cyclopentadiene M(II) complexes MCp(eta(4)-C(5)H(5)R(F))
126 n approach utilizing a two-stage Diels-Alder cyclopentadiene-maleimide step-growth polymerization to
127 6 + 4] cycloaddition of tropone [6pi] to the cyclopentadiene moiety [4pi].
128 ly, the isosymmetry of the oxidopyrylium and cyclopentadiene molecular orbitals as well as the presen
129  By first considering an N-methylpyrrolidine-cyclopentadiene motor design, it is shown that isotopica
130           To unequivocally bind an electron, cyclopentadiene must have at least two conventionally fu
131  of these P-nitroso phosphine oxides and 1,3-cyclopentadiene occur through a transition state where t
132 ion of ozone into matrices containing either cyclopentadiene or cyclopentene have led to the first ob
133 ipyrranes with trialdehydes derived from 1,3-cyclopentadiene or methyl-1,3-cyclopentadiene, followed
134 ude instances of benzene ring contraction to cyclopentadiene or the formation of an unprecedented met
135 ctive and readily available helically chiral cyclopentadiene (PCCP) catalyst.
136 2] cycloaddition of substituted ketenes with cyclopentadiene producing bicyclo[3.2.0]hept-2-en-6-ones
137 ates, whereas Diels-Alder cycloaddition with cyclopentadiene provides the corresponding exocyclic vin
138 rbasapphyrin in 38% yield, while a triformyl cyclopentadiene reacted with the tetrapyrrole to give a
139 enophiles if they are trapped with imines or cyclopentadiene, respectively.
140            The synthesized rylenes feature a cyclopentadiene ring at both bay positions of each peryl
141            Bulky aryl groups attached to the cyclopentadiene rings not only improve solubility but al
142 s are controlled by functionalization of the cyclopentadiene rings on ferrocene with electron withdra
143 membered ring-fusion is across the C(2)-C(3) cyclopentadiene single bond, only a single benzene is ne
144 the formed six- or seven-membered ring-fused cyclopentadiene system, and a final protection step for
145 rization of the fulvene to 1-isopropenyl-1,3-cyclopentadiene that then reacts with BTF to give the al
146                                          For cyclopentadiene, the endo-ester adducts were favored reg
147  such as the Diels-Alder dimerization of 1,3-cyclopentadiene, the rate and solubility data directly r
148 that are trapped with this 1,3-disubstituted cyclopentadiene to afford C-H insertion products.
149 atalysis of the Diels-Alder cycloaddition of cyclopentadiene to cinnamates arises from stacking inter
150 ) reacts as an N-O heterodienophile with 1,3-cyclopentadiene to give the diastereomeric cycloadducts
151 roduct, and mild diazo-transfer to a complex cyclopentadiene to introduce the diazo function.
152 ers from the benzenium ion to benzene and of cyclopentadiene to its conjugate base, reflecting the sm
153 ectivity of the Diels-Alder (DA) reaction of cyclopentadiene to the hollow nonisolated pentagon rule
154 o compounds in the Diels-Alder reaction with cyclopentadiene was demonstrated.
155                       The perfluoroalkylated cyclopentadiene was found to be less reactive toward C60
156 divergent synthetic route to suitable chiral cyclopentadienes, we generated a structurally diverse li
157 troso-derived proline analogues derived from cyclopentadiene were shown to exist exclusively as the E
158 nadiene serves as an effective surrogate for cyclopentadiene, which is unmasked under mild conditions
159 alculations for the Diels-Alder reactions of cyclopentadiene with 1,4-naphthoquinone, methyl vinyl ke
160 sed as a model reaction the cycloaddition of cyclopentadiene with a self-assembled monolayer (SAM) pr
161 mework in the LA-catalyzed P-DA reactions of cyclopentadiene with acrolein indicates that the strong
162               The concerted cycloaddition of cyclopentadiene with acrylonitrile is preferred computat
163  been used to study Diels-Alder reactions of cyclopentadiene with alpha,beta-unsaturated aldehydes an
164 re prepared by Diels-Alder cycloadditions of cyclopentadiene with dimethyl fumarate and dimethyl 1,1-
165  contrast to recent reports, the reaction of cyclopentadiene with diphenylketene affords both [4 + 2]
166                        The cycloadditions of cyclopentadiene with diphenylketene and dichloroketene a
167 ilable through the cycloaddition of furan or cyclopentadiene with either tetrachloro- or tetrabromocy
168 se study of the Diels-Alder cycloaddition of cyclopentadiene with ethylene serves, in pedagogical det
169 , and acyclc dienes and also the reaction of cyclopentadiene with maleimide and N-phenylmaleimide.
170 acetophenone and the Diels-Alder reaction of cyclopentadiene with methyl vinyl ketone.
171  dilute aqueous solution for the reaction of cyclopentadiene with methyl vinyl ketone.
172 -insertion reaction of a nitrile-substituted cyclopentadiene with the arachno-4,6-C2B7H12(-) anion, f
173 tforward base-promoted Michael annulation of cyclopentadienes with alpha,beta-unsaturated ketones tha
174 ures, two types of products can be obtained: cyclopentadienes with pendant hydrazine and aldehyde moi

 
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