ライフサイエンスコーパス: cyclophane

1 gs, as well as by the strain inherent in the cyclophane.

2 sides inside the cavity of the tetracationic cyclophane.

3 thin the cavity of an extended tetracationic cyclophane.

4 sides inside the cavity of the tetracationic cyclophane.

5 and phenylene ring in the closest orthogonal cyclophane.

6 lophanes were formed in preference to the [n]cyclophanes.

7 mation effect was also noticed in one of the cyclophanes.

8 than viologens, which make good pi-acceptor cyclophanes.

9 Naphthalenophanes are a special type of cyclophanes.

10 cal properties of the extended tetracationic cyclophanes.

11 C3 structure is related to known meta-(1,3,5)cyclophanes.

12 distance of the dianion and dication of the cyclophane 14 compared to that of its neutral counterpar

13 We report the synthesis of cyclophanes 18-20 by ester-forming macrocyclization reac

14 In the neutral cyclophanes 18-20, the 9,10-bis(1,3-dithiol-2-ylidene)-9

15 he properties of Cy3R were compared to a new cyclophane-[2]rotaxane (Cy2R) that has the same cyclopha

16 Cyclophane-[2]rotaxane 1 efficiently transports fluoresc

17 art, underwent benzannulation to produce the cyclophane 28 brought additional support for the necessi

18 ciation constants for the cyclophane itself, cyclophane 3, are smaller.

19 l hydrocarbon propeller-shaped D3h-symmetric cyclophane (3), "anthraphane", was prepared through a re

20 Two very large cyclophanes (3, C(132)H(92)O(8)S(4); 4, C(172)H(120)O(8)

21 sent, in this report, the first example of a cyclophane-[3]rotaxane (Cy3R), which has two wheels and

22 The triple-decker cyclophane 8 has planar top and bottom COT rings, while

23 Two of the cyclophanes also contain a (S)-(valine-leucine-alanine)

24 lene) (CBPQT4+) as the pi-electron-accepting cyclophane and 1,5-dioxynaphthalene (DNP)-containing mac

25 he careful consideration of the anatomy of a cyclophane and the classification of general synthetic a

26 on complexes consisting of the tetracationic cyclophane and the corresponding guests of different siz

27 However, the discovery of new, diverse cyclophanes and derivatives has been hindered by synthes

28 transfer between the extended tetracationic cyclophanes and perylene diimide is ultrafast and quanti

29 4 + 2]-cycloaddition reactions between these cyclophanes and tetracyanoethylene, which occur concerte

30 naphthalene-1,8:4,5-bis(dicarboximide) (NDI) cyclophanes and the characterization of four of their el

31 stem to have been incorporated into numerous cyclophanes) and ending with hexabenzo[bc,ef,hi,kl,no,qr

32 lene recognition sites for the tetracationic cyclophane, and the other, tetrathiafulvalene and butadi

33 reaction of a vinyl sulfone to construct the cyclophane architecture of the natural product.

34 yridinium rings located at the "ends" of the cyclophane are electron-poor and prefer to enter into do

35 Cyclophanes are a venerable class of macrocyclic and/or

36 These types of cyclophanes are not accessible through an intramolecular

37 demonstrating that the radical states of the cyclophanes are stabilized by the radical-pairing intera

38 ]rotaxane (Cy3R), which has two wheels and a cyclophane as a blocking group.

39 on the ratio of ketene acetals to [2.2]para-cyclophanes as well as the hydrophobicity of the films.

40 distance of 3.7 A) in the adjacent parallel cyclophane, as well as (ii) between the ExBIPY(2+) unit

41 A family of p-cyclophanes based on bis- or tetrafunctionalized 1,4-bis

42 thylene and methyl acrylate (MA) by a Pd(II) cyclophane-based alpha-diimine catalyst is reported.

43 benzaldehyde and nitromethane catalyzed by a cyclophane-based bisthiourea has been studied with densi

44 ne, methyl acrylate, and 4-methoxystyrene in cyclophane-based Pd(II) olefin complexes by (1)H NMR and

45 The anthracene cyclophane bis-anthracene (BA) can undergo a [4 + 4] pho

46 um radical cation (DB(*+)) and an asymmetric cyclophane bisradical dication (DAPQT(2(*+))), affords a

47 ucts (2) from which Fe3 (NH)3 L (2-1; L is a cyclophane bridged by three beta-diketiminate arms) was

48 d diversity-oriented approach to macrocyclic cyclophanes by a Grignard reaction, followed by Fischer

49 Three new cyclophanes (calixarene-like macrocyles 8 and 9, as well

50 Although each cyclophane can be synthesized readily without the use of

51 and found to be over 100 times slower in the cyclophane case.

52 brium studies of ethylene with nitriles, the cyclophane catalyst was found to more strongly favor the

53 nders olefin pre-equilibrium, decreasing the cyclophane catalyst's ability to preferentially incorpor

54 ich possesses the added "third dimension" of cyclophane chirality.

55 d synthesis of BlueCage(6+), a macrobicyclic cyclophane composed of six pyridinium rings fused with t

56 with MP2 computations were performed on four cyclophanes composed of two or three cyclooctatetraene (

57 ExBox(4+), a boxlike cyclophane comprising two pi-electron-poor extended viol

58 he equilibrium geometries of photoisomerized cyclophanes, concluding that D2h symmetry in the photois

59 esize, in modest yield, a nearly 2.5 nm long cyclophane consisting of 12 aromatic rings.

60 ctron-rich guests, while the "middle" of the cyclophane, consisting of the biphenylene spacer, is mor

61 Despite the fact that these cyclophanes contain a hydrophobic binding cavity of appr

62 epresents the first report of an 11-membered cyclophane containing a 1,4-disubstituted 1,2,3-triazole

63 Small cyclophanes containing aromatic groups and dialkyl ammon

64 the ring component (namely, a tetracationic cyclophane, containing two pi-electron-deficient bipyrid

65 While the cyclophane contains two reactive triple bonds, there is

66 erlocked mechanically with the tetracationic cyclophane cyclobis(paraquat-p-phenylene) (CBPQT(4+)), w

67 so-called 'blue box' (BB(4+)) tetracationic cyclophane cyclobis(paraquat-p-phenylene).

68 sembly in aqueous solution of the well-known cyclophane, cyclobis(paraquat-p-phenylene) (BB(4+) ), an

69 erlocked mechanically with the tetracationic cyclophane, cyclobis(paraquat-p-phenylene) (CBPQT(4+)),

70 the DNP unit is encircled by a tetracationic cyclophane, cyclobis(paraquat-p-phenylene) (CBPQT4+), co

71 n obtained on reduction of the tetracationic cyclophane, cyclobis(paraquat-p-phenylene), and the radi

72 lly designed multichromophoric tetracationic cyclophane, DAPPBox(4+), containing a diazaperopyrenium

73 formation of an asymmetric, rigid, box-like cyclophane, DAPPBox(4+).

74 cade has been used to synthesize macrocyclic cyclophane derivatives.

75 In the case of cyclophanes derived from 1,5-dinitronaphthalene, steric

76 with multiple hydrogen bonding sites to form cyclophane dimers.

77 Cyclophanes, especially those where pyridinium units in

78 This cyclophane, Ex(2)Box(4+), possesses the ability to form

79 ions, is employed to synthesize a semi-rigid cyclophane (ExBox(4+)) that adopts a box-like geometry a

80 Herein, an extended viologen-based cyclophane-ExBox2(4+)-has been employed as a molecular r

81 sides inside the cavity of the tetracationic cyclophane--exist in equilibrium in solution, has led to

82 The key cyclophane-forming macrocyclization reaction was accompl

83 Silver(I)-imidazole cyclophane gem-diol complex, 3 [Ag2C36 N10(O)4](2+)2(x)-

84 he acute toxicity of the ligand (imidazolium cyclophane gem-diol dichloride) was assessed by intraven

85 ind an isomeric series of possible diradical cyclophane guests, which consist of two radical viologen

86 Reaction of a tris(beta-diketimine) cyclophane, H3L, with benzyl potassium followed by [Cu(O

87 Although a very large number cyclophanes has been reported, only a very small proport

88 ution-phase photophysical properties of this cyclophane have been investigated by both steady-state a

89 Cyclophanes have been firmly entrenched as a distinct cl

90 host-guest complex based on a tetracationic cyclophane host, cyclobis(paraquat-p-phenylene) (CBPQT(4

91 as a useful building block for pi-accepting cyclophane hosts.

92 Three new azamacrocyclic-cyclophane hybrid receptors L(1), L(2), and L(3) have be

93 This Review puts the spotlight on such cyclophanes, illuminating both the chemistry that was us

94 corresponding monomeric NDI and dimeric NDI cyclophane imines.

95 to give a diversity of new thioether (hetera)cyclophanes in high yield.

96 Herein, we report on a series of cyclophanes in which the interplanar distance between tw

97 rained 1,4-annulated cyclooctatetraene-based cyclophanes is described.

98 the reactivity of this particular family of cyclophanes is presented.

99 Association constants for the cyclophane itself, cyclophane 3, are smaller.

100 inates from the axial blocking effect of the cyclophane ligand hindering olefin substitution and equi

101 ride ligands are sterically protected by the cyclophane ligand, and these complexes selectively react

102 il the synthesis of a new C(2)-symmetric bis(cyclophane) ligand system that can be thought of as elec

103 eterocycles via a highly strained, tricyclic-cyclophane-like palladated intermediate.

104 dination geometry relieves the strain of the cyclophane-like pre-transition state of the meta-C-H act

105 ogous series of 11- to 14-membered drug-like cyclophane macrocycles, representing an unusual region o

106 These strained cyclophane macrocyclic systems provide access to spatial

107 roach to a set of three inherently chiral [n]cyclophanes, [n](1,6)pyrenophanes (29a-c, n = 8-10) was

108 s on the potential of extended tetracationic cyclophane/perylene diimide systems as components for ar

109 lophane-[2]rotaxane (Cy2R) that has the same cyclophane pocket as Cy3R but only a single wheel.

110 -24-crown-8 (DB24C8) ether as the ring and a cyclophane pocket or an aromatic cleft as one blocking g

111 To illustrate this feature, cyclophanes possessing xylyl, alkyl, di(ethylene triamin

112 of a diverse range of structurally distinct cyclophane products.

113 f constrained guanidines termed "lockamers" (cyclophane, quinazoline, aminopyrimidazolines, aminoimid

114 additions proceeded in high yields, with the cyclophane reacting faster than its acyclic analogue.

115 d viologen units into a para-phenylene-based cyclophane results in a synthetic receptor that is ~2 nm

116 Single-crystal X-ray analyses of these [n.n]cyclophanes reveal interestingly shaped molecules with l

117 The solid-state superstructure of this cyclophane reveals a herringbone-type packing motif, lea

118 o 1,3,5-triaroylbenzene-based functionalized cyclophane ring systems has been developed.

119 decahydrofluorene core and the strained para-cyclophane ring.

120 ethod for the synthesis of bis(dihydrofuryl) cyclophane scaffolds from carbonyl compounds has been de

121 The six boron atoms of the bora-cyclophane (see picture) recently reported by Chen and J

122 s locked in this form through an unsaturated cyclophane strap.

123 The cyclophane structures are characterized using NMR spectr

124 dextrins, cucurbiturils, and various organic cyclophanes such as calixarenes, deep cavitands, pillara

125 (4+)), a pi electron-accepting tetracationic cyclophane, synthesized by using the copper(I)-catalyzed

126 of the extended bipyridinium-based class of cyclophanes--that is, Ex(n)Box(4+) (n = 0-3), where n is

127 e potential, which may be the cause for this cyclophane to avoid ftf interactions.

128 osure of this unique electron-deficient bora-cyclophane to fluoride or cyanide results in amplified f

129 In each of these cyclophanes, two octaphenylnaphthalene subunits or two 1

130 e of bonding suggests the development of new cyclophane-type receptors for the recognition of anions.

131 The cyclophanes were designed to contain a rigid, hydrophobi

132 Several novel types of cyclophanes were efficiently synthesized via an intermol

133 ith a variety of aryl dihalides, larger [n.n]cyclophanes were formed in preference to the [n]cyclopha

134 Three neutral cyclophanes were synthesized, and their association with

135 H) [where L(3-) is a tris(beta-diketiminate) cyclophane] were synthesized by treating the correspondi

136 s in tandem cascading reactions within rigid cyclophanes, where reactions at a first triple bond indu

137 -p-phenylene) (CBPQT4+) pi-electron-acceptor cyclophane, which encapsulates the better pi-electron-do

138 Cyclophanes, which can be regarded as twofold or multipl

139 the femtosecond charge-transfer dynamics in cyclophanes, which consist of two precisely stacked pi-s

140 distance between the chromophores within the cyclophanes, while in the weak interaction limit, as rep

141 A tetracationic pyridinium-based cyclophane with a box-like geometry, incorporating two j

142 However, the cyclophane with the four bridges in the 1, 3, 5, and 7 p

143 The CVD co-polymerization of [2.2]para-cyclophanes with cyclic ketene acetals, specifically 5,6

144 Both COT rings in cyclophanes with two ethylene bridges (2) and with four

145 in which L(3-) is a tris(beta-diketiminate) cyclophane, with K(sBu)3BH afforded [Zn3(mu-H)3L] (2), a

146 tacking interaction between shape-persistent cyclophanes works cooperatively with multiple hydrogen b