ライフサイエンスコーパス: perylene

1 fluoranthene) to 95.7 +/- 4.1% (benzo[ g,h,i]perylene).

2 ylphenyl linker is attached to the C9-linked perylene).

3 drocarbons including anthracene, pyrene, and perylene.

4 nylenes, hexabenzocoronene, oligoacenes, and perylene.

5 ilities, which is, for instance, the case of perylene.

6 e rearrangements, with slower cyclization to perylene.

7 -catalyzed cyclization of 1,1'-binaphthyl to perylene.

8 for naphthalene up to 5.5 x 10(6) M(-1) for perylene.

9 Condensation of benzo[ghi]perylene-1,2-dicarboxylic anhydride in the presence of "

10 e phenanthrene and pyrene (22%), followed by perylene (21%) and fluoranthene (16%), but the fingerpri

11 [(N,N'-Bis(2-(trimethylammonium)ethylene) perylene 3,4,9,10-tetracarboxylic acid bisimide)(PF6)2]

12 The dendronized perylene 3,4:9,10-tetracarboxylic acid bisimide (PBI), (

13 The synthesis of perylene 3,4:9,10-tetracarboxylic acid bisimides (PBIs)

14 odisperse, C4-symmetric octamer of a guanine-perylene-3,4,9,10-bis(dicarboximide) conjugate (GPDI) wa

15 N-(1-hexylheptyl)-N'-(12-carboxylicdodecyl)perylene-3,4,9,10-tetracarboxyl bisimide was synthesized

16 nthesis starting from commercially available perylene-3,4,9,10-tetracarboxylic bisanhydride.

17 Using perylene-3,4,9,10-tetracarboxylic bisimide (PBI) as the

18 tals of the molecules pentacene (C22H14) and perylene-3,4,9,10-tetracarboxylic dianhydride (C24H8O6),

19 on substrates coated by the organic molecule perylene-3,4,9,10-tetracarboxylic dianhydride.

20 Here, perylene-3,4,9,10-tetracarboxylic diiimide-based near-in

21 ctly different side-chains, N,N'-di(dodecyl)-perylene-3,4,9,10-tetracarboxylic diimide (DD-PTCDI) and

22 c diimide (DD-PTCDI) and N,N'-di(nonyldecyl)-perylene-3,4,9,10-tetracarboxylic diimide (ND-PTCDI).

23 tral perylene diimide (N,N'-bis(butoxypropyl)perylene-3,4,9,10-tetracarboxylic diimide) and cationic

24 in solutions containing N,N-bis(ethylpropyl)perylene-3,4,9,10-tetracarboxylicdiimide (PDI) or tetrac

25 Robust perylene-3,4-dicarboximide (PMI) pi-aggregates provide i

26 4,5,5-tetramethyl-[1,3,2]dioxa borolan-2-yl)-perylene-3,4-dicarboximide.

27 ction of the lowest excited singlet state of perylene-3,4:9,10-bis(dicarboximide) ((1*)PDI) with a st

28 thin films of N,N-bis(2,6-diisopropylphenyl)perylene-3,4:9,10-bis(dicarboximide) (1) and the 1,7-dip

29 an oligo(2,7-fluorene) (FL(n)) bridge, and a perylene-3,4:9,10-bis(dicarboximide) (PDI) acceptor, PTZ

30 nors, 2,7-oligofluorene (FL(n)) bridges, and perylene-3,4:9,10-bis(dicarboximide) (PDI) acceptors was

31 s are derivatives of the strong photooxidant perylene-3,4:9,10-bis(dicarboximide) (PDI) and the molec

32 Each building block is based on perylene-3,4:9,10-bis(dicarboximide) (PDI) chromophores.

33 either one or both imide nitrogen atoms of a perylene-3,4:9,10-bis(dicarboximide) (PDI) electron acce

34 e steric bulk of the 1,7-substituents of the perylene-3,4:9,10-bis(dicarboximide) (PDI) impedes aggre

35 spectra of a N-N'-bis(2,6-diisopropylphenyl)-perylene-3,4:9,10-bis(dicarboximide) (PDI) self-assemble

36 ree covalently linked 1,6,7,12-tetra(phenoxy)perylene-3,4:9,10-bis(dicarboximide) (PDI) units.

37 hiazine (PTZ), B = p-oligophenylene, and A = perylene-3,4:9,10-bis(dicarboximide) (PDI), by measuring

38 (Z3PN) attached to the 1,7,N,N'-positions of perylene-3,4:9,10-bis(dicarboximide) (PDI).

39 ), B = p-phenylene (Ph(n)), n = 1-4, and A = perylene-3,4:9,10-bis(dicarboximide) (PDI).

40 onse parameters as follows: N,N'-bis(n-octyl)perylene-3,4:9,10-bis(dicarboximide) (PDI-8): mu = 0.32

41 etraphenylporphyrin (ZnTPP) as a donor and a perylene-3,4:9,10-bis(dicarboximide) dimer as the accept

42 -1,8:4,5-bis(dicarboximide) or either of two perylene-3,4:9,10-bis(dicarboximide) electron acceptors

43 1,6- and 1,7-bis(n-octylamino)perylene-3,4:9,10-bis(dicarboximide) were synthesized by

44 n arylene imide and bis(imide) dyes, such as perylene-3,4:9,10-bis(dicarboximide)s.

45 ships based on pi-pi stacking in the related perylene-3,4:9,10-bis(dicarboximides) (PDIs) have been w

46 have prepared a large molecule in which four perylene-3,4:9,10-tetracarboxydiimide (PDI) molecules th

47 and 1,1'-ethynyl-bis[N,N'-bis(1-hexylheptyl)-perylene-3,4:9,10-tetracarboxylic diimide] ([PDI]2CC, 2)

48 roups, bis[1-ethynyl-N,N'-bis(1-hexylheptyl)-perylene-3,4:9,10-tetracarboxylic diimide] ([PDICC]2, 1)

49 We report for the first time the use of perylene-3-ylmethanol fluorescent organic nanoparticles

50 al studies revealed that the newly developed perylene-3-ylmethanol nanoparticles exhibit good biocomp

51 In the present system, perylene-3-ylmethanol nanoparticles performed four impor

52 Excitation at 490 nm, where the perylene absorbs preferentially, results in fluorescence

53 Examples of these new series of perylene analogues were partially oxidized to the corres

54 probes based on larger intercalators, i.e., perylene and coronene, expecting that the larger pi-surf

55 ort of charges through vertically segregated perylene and hexabenzocoronene pi systems.

56 roduce thin films with vertically segregated perylene and hexabenzocoronene, with large interfacial s

57 dual PAHs ranged between 0.13 ng m(-2)d(-1) (Perylene) and 1.96 ng m(-2)d(-1) (Methyl Pyrene), and fo

58 rubrene, 9,10-diphenylanthracene, pyrene, or perylene) and BODIPY were trapped in a toluene and tri-n

59 e, benzo[e]pyrene, benzo[a]pyrene, benzo[ghi]perylene, and benzo[b]chrysene when extracted at the hig

60 ene, anthracene, anthanthrene, fluoranthene, perylene, and benzo[ghi]fluoranthene at ppm levels.

61 nz[a]pyrene, dibenz[a,h]anthracene, benz[ghi]perylene, and indeno[1,2,3-cd]pyrene were used as target

62 m vapor pressure --benzo[a]pyrene, benzo[ghi]perylene, and indeno[1,2,3-cd]pyrene-- the mass in the n

63 e transfer between the hexabenzocoronene and perylene, as well as from effective transport of charges

64 a valuable addition to the family of robust perylene-based chromophores that can be used to develop

65 ghly desirable and will be proposed here for perylene-based materials.

66 ow relaxation processes can be diminished in perylene-based materials.

67 N,N'-1H,1H-Perfluorobutyl derivatives of the perylene-based semiconductors were also synthesized and

68 aP), indeno[123-cd]pyrene (IP) and benzo[ghi]perylene (BghiP) were separated and quantified using GC-

69 Supramolecular complexation of perylene bis(diimide) (PDI) dyes with the macrocyclic ho

70 enevinylene) electron donor and a C-terminal perylene bis-imide electron acceptor.

71 6-isomer and other related amino-substituted perylene bis-imide species.

72 The perylene-bis(porphyrin)-phthalocyanine architecture exhi

73 The perylene-bis(porphyrin)-phthalocyanine array absorbs str

74 d coupling of an ethynylperylene to afford a perylene-bis(porphyrin)-phthalocyanine linear array.

75 In addition, azabenz-annulated perylene bisanhydrides (ab-PBA 6 and syn-(ab)2-PBA 19) w

76 ssembly of octahedral Fe(II) ions and linear perylene bisimide (PBI) dyes with 2,2'-bipyridine groups

77 A series of semirigid perylene bisimide (PBI) macrocycles with varied ring siz

78 izations of a series of amide-functionalized perylene bisimide (PBI) organogelator molecules bearing

79 are based on 1,4-distyrylbenzene (OPV3) and perylene bisimide (PBI) units.

80 c (Hg(2)(+)) ions that we constructed from a perylene bisimide (PBI)-based organic thin film transist

81 chetype organogelator molecule composed of a perylene bisimide aromatic scaffold and two amide substi

82 We show that both homochiral and racemic perylene bisimide compounds, including a mixture of 21 d

83 Perylene bisimide derivatives (PBIs) are known to form o

84 Here, we report the self-assembly of perylene bisimide derivatives in a supramolecular helix

85 , we study the mechanism of self-assembly of perylene bisimide derivatives possessing dipolar carbona

86 nd temperature-dependent fluorescence of the perylene bisimide dye PBI 1 in methylcyclohexane point t

87 as antennae for small amounts of the valued perylene bisimide Lumogen F Red 305 is presented.

88 ractive forces, we succeeded in synthesizing perylene bisimide macrocyclic dimer and a concatenated d

89 regardless of the enantiomeric purity of the perylene bisimide.

90 uch as benzene-1,3,5-tricarboxamides (BTAs), perylenes bisimide (PBI), and phthalocyanines (Pc) beari

91 tetrathiafulvalene and an electron-acceptor perylene-bisimide were self-organized separately obtaini

92 es in self-assembled nanowires prepared from perylene bisimides with oligopeptide-polymer side chains

93 localized pi bonds, analogous to benzo(g,h,i)perylene (C22H12).

94 de)-linked short wire, (33 ps)(-1) and >99%; perylene-(C9)-linked short wire, (26 ps)(-1) and >99%; b

95 The first highly water-soluble perylene-calix[4]arene hybrid with the calixarene scaffo

96 a phenylene ethynylene dendrimer tethered to perylene) can be enhanced by 15% through iterative phase

97 ments, both 1 and 2 were found to exist in a perylene-centered conformational dynamic equilibrium (De

98 molecular codes, which were dictated by the perylene chirality, ultimately gauged the weak pi-stack

99 transfer events: electron injection from the perylene chromophore into the conduction band of the ITO

100 stability of these alkylamino-functionalized perylene compounds make them a valuable addition to the

101 Not only did perylene concentrations in these sediments increase with

102 0 years previously showed large increases in perylene concentrations.

103 imide dendrimers, including decacyclene- and perylene-containing dendrimer D6, in which two types of

104 el dicationic dye with a polycyclic aromatic perylene core and flexible cationic side chains- N,N'-bi

105 ffraction reveals that 1 has a nearly planar perylene core and pi-pi stacks at a 3.5 A interplanar di

106 d 1,7-isomers demonstrating the twist of the perylene core in the solid state.

107 ical conjugated phenylacetylene branches and perylene cores, one with pi-conjugation from the branche

108 ntent was attributed to five PAHs: benzo[ghi]perylene, coronene, indeno[1,2,3-cd]pyrene, benzo[e]pyre

109 The perylene cyclic dimer and its concatenated tetramer were

110 enzo[k]fluoranthene-d12 (BkF-d12), benzo[ghi]perylene-d12 (BghiP-d12), dibenzo[a,i]pyrene-d14 (DaiP-d

111 The perylene derivative 1,7-dibromoperylene-3,4,9,10-tetraca

112 The amino-functionalized perylene derivative, 4,9-diaminoperylene quinone-3,10-di

113 0-perylenetetracarboxylic diimide (PIPER), a perylene derivative, is a very potent and selective G-qu

114 quadruplex-specific cleavage properties of a perylene derivative, perylene-EDTA*Fe(II).

115 rt, we present data concerning the role of a perylene derivative, PIPER, in the assembly of G-quadrup

116 adducts have been transformed into extended perylene derivatives by deoxygenation and aromatization

117 nitro-PMIDE 10 and thus of azabenz-annulated perylene derivatives with unsymmetric peri-substitution

118 a collection of different azabenz-annulated perylene derivatives.

119 of diketopyrrolopyrrole electron donors and perylene derived bisimide (PDI) electron acceptors forms

120 Unique perylene diastereomeric linear and cyclic dimers were sy

121 Both neutral perylene diimide (N,N'-bis(butoxypropyl)perylene-3,4,9,1

122 We report on hybrids, in which perylene diimide (PDI) amphiphiles are noncovalently imm

123 e describe a simple histidine (H) conjugated perylene diimide (PDI) bolaamphiphile (HPH) as a dual-re

124 shapes of a series of linear and star-shaped perylene diimide (PDI) complexes are evaluated theoretic

125 quadruplex-interactive agents as well as new perylene diimide (PDI) derivatives have been investigate

126 Rigid fused perylene diimide (PDI) dimers bridged with heterocycles

127 copy was used to investigate the dynamics of perylene diimide (PDI) molecules in thin supported polys

128 from the double fusion of an acene with two perylene diimide (PDI) subunits.

129 ncorporates a bay tetrachloro-functionalized perylene diimide (PDI) unit and two triazolium anion-bin

130 ed via ring-fusion between the thiophene and perylene diimide (PDI) units of a PDI-tetramer with a te

131 ucting naphthalene diimide (NDI)-selenophene/perylene diimide (PDI)-selenophene random copolymers, xP

132 onor p-DTS(FBTTh2 )2 with a readily produced perylene diimide acceptor we are able to achieve a power

133 ea that a perfluorooctyl chain attached to a perylene diimide amphiphile can dramatically enhance the

134 rganic thermoelectric materials, self-doping perylene diimide derivatives with modified side chains,

135 the self-assembly of naphthalene diimide and perylene diimide electron acceptors end-capped with two

136 A perylene diimide fluorophore was incorporated into the l

137 n the extended tetracationic cyclophanes and perylene diimide is ultrafast and quantitative, while th

138 The synthesis of a bis(pyridyl)-substituted perylene diimide ligand and its incorporation into a sup

139 The hydrophobic part contains the two perylene diimide moieties, which enable strong pi-pi int

140 ovements of microribbons self-assembled from perylene diimide molecules are reported on various hydro

141 utions on the morphology of self-assembly of perylene diimide molecules has been studied with two der

142 is based on the fusion of electron deficient perylene diimide oligomers with an electron rich alkoxy

143 emble those of lower rylene homologues, e.g. perylene diimide or perylene monoimide.

144 tential of extended tetracationic cyclophane/perylene diimide systems as components for artificial ph

145 tion of a boronic acid-appended viologen and perylene diimide was able to perform a complementary imp

146 rakis(chloride) (ExBox) and three dicationic perylene diimides (PDIs).

147 A number of unsymmetrical perylene diimides containing a solubilizing swallowtail

148 e synthesis of unsymmetrical N-alkyl-N'-aryl perylene diimides is reported that circumvents the need

149 of acceptors are characterized: fullerenes, perylene diimides, and PbS and PbSe colloidal nanocrysta

150 aic acceptors, functionalized fullerenes and perylene diimides, are analyzed using a newly developed

151 izing chains by N-9-heptadecanyl-substituted perylene diimides.

152 sing as a case study the interface between a perylene donor and a benzoperylene diimide acceptor, we

153 ric materials with oxygen indicators (pyrene/perylene donor/acceptor pair) display different analytic

154 d strongly conjugated perylenediimide-bridge-perylene dyad (PDIPe) has been investigated in dichlorom

155 The porphyrin-perylene dyad P-PMI displays the most even spectral cove

156 benzocoronene was used in combination with a perylene dye to produce thin films with vertically segre

157 al case, coassembly of protamine sulfate and perylene dye via electrostatic attractions and pi-pi int

158 broad blue-green to yellow absorption of the perylene dyes complements the blue absorption of the por

159 Perylene dyes with N-tert-alkyl substituents were prepar

160 of protein/dye aggregates and the release of perylene dyes.

161 MR titration of a parallel G-quadruplex with perylene-EDTA (without metal) indicates that the compoun

162 terize the cleavage reaction with respect to perylene-EDTA*Fe(II) concentration, DNA structural type,

163 leavage properties of a perylene derivative, perylene-EDTA*Fe(II).

164 spectroscopy confirms the selectivity of the perylene-EDTA*metal complex for G-quadruplex DNA.

165 The molecule consists of a perylene electron donor chromophore (D) bound to a pyrom

166 lear picture of the low-lying excitations in perylene emerges, including evidence of an exciton-polar

167 errylene diimide dye to the nanoparticles of perylene-end-capped polyfluorene block copolymers allows

168 h the pyrene-labeled phosphatidylcholine and perylene fluorescence data previously obtained from PLFE

169 lfolobus acidocaldarius have been studied by perylene fluorescence.

170 ansportation of water insoluble fluorophore (perylene) for live cell imaging is explored.

171 I, indeno[1,2,3-c,d]pyrene, and benzo[g,h,i]perylene found at Temple Basin were largely of Australia

172 ely benz[a]anthracene approximately benz[ghi]perylene>benzo[b]naphtho[2,3-d]thiophene.

173 uted polycyclic aromatics such as pyrene and perylene have been linked via alkyne bridges, as have et

174 Thus, herein we report the synthesis of perylene imide derivatives endowed with a 1,2-diketone f

175 and out-of-plane (R(op)) rotational rates of perylene in PLFE liposomes at various temperatures (20-6

176 a low ionization potential such as benzo[ghi]perylene in the first technique, where the electron for

177 allowing a limit of detection of 0.14 nM for perylene in the presence of 0.1 mM TPTA.

178 The presence of benzo[a]pyrene and perylene in this sample is confirmed, and a peak coeluti

179 For the array containing eight perylenes in benzonitrile, PMI decays approximately 80%

180 Radiocarbon analysis of perylene indicated that 70-85% of perylene observed in t

181 linear array of chromophores consisting of a perylene input unit, a bis(free base porphyrin) transmis

182 A remarkable perylene intensity anomaly was also observed in bilayers

183 ncluding pyrene excimer formation and pyrene-perylene interstrand Forster resonance energy transfer.

184 ansition dipole moment of the electron donor perylene is aligned along the axis of the electric field

185 Each perylene is substituted with one or three 4-tert-butylph

186 The restricted rotation of the perylene moieties yields atropisomers that can be separa

187 ift of fluorescence emission for the achiral perylene moiety as a chemical junction of the BCPs* can

188 e spheroidal cavity that can incorporate one perylene molecule.

189 ilt by the supramolecular self-assembly of a perylene monoimide amphiphile.

190 in water and the photocatalytic function of perylene monoimide chromophore amphiphiles with differen

191 ri-guanidine-fused naphthalene monoimide and perylene monoimide chromophores.

192 loped regioselective nitration procedure for perylene monoimide diesters (PMIDE) enables the synthesi

193 longer wavelengths by energy transfer to the perylene monoimide dye.

194 ns (GNRs) with anthraquinone and naphthalene/perylene monoimide units has been achieved through a Suz

195 rylene homologues, e.g. perylene diimide or perylene monoimide.

196 esting arrays containing two, four, or eight perylene-monoimide accessory pigments attached to a zinc

197 t unit consists of a boron-dipyrrin dye or a perylene-monoimide dye (linked either at the N-imide or

198 s per porphyrin in toluene, the photoexcited perylene-monoimide dye (PMI) decays rapidly ( approximat

199 cyclic dimers were synthesized from twisted perylene monomers, revealing that pi-stacking stereoisom

200 ocatalytic systems based on photosensitizing perylene monomimide (PMI) chromophore amphiphiles were f

201 The diimide perylene motif exhibits a dramatic intensity reversal be

202 4,3'- or 4,2'-diarylethyne linker joins the perylene N-imide position and the porphyrin meso-positio

203 yrrin-based long wire, (190 ps)(-1) and 81%; perylene-(N-imide)-linked long wire, (175 ps)(-1) and 86

204 t to output) energy transfer are as follows: perylene-(N-imide)-linked short wire, (33 ps)(-1) and >9

205 d to synthesize OBO-doped tetrabenzo[a,f,j,o]perylenes (namely "bistetracenes") and tetrabenzo[bc,ef,

206 In this work, N-annulated perylene (NP) was used to functionalize the Zn-porphyrin

207 nalysis of perylene indicated that 70-85% of perylene observed in the deeper sediments could be expla

208 tion experiment with the shorter "periacene" perylene, only the bisanthene reacts, and the perylene r

209 he polycyclic compounds are either pyrene or perylene, or a mixture of both.

210 ctionalized at the N2'-position with pyrene, perylene, or coronene moieties and incorporated these mo

211 to heterogeneous environments for the pyrene/perylene pair and a concomitant quenching of the fluores

212 ransistors (TFTs) based on electron-depleted perylene- (PDI) and naphthalene-dicarboxyimide (NDI) pol

213 -chrysene and dibenz[a,h]anthracene-benz[ghi]perylene peaks coelute under the employed chromatographi

214 For the array containing four perylenes per porphyrin in both nonpolar (toluene) and p

215 le) media and for the array containing eight perylenes per porphyrin in toluene, the photoexcited per

216 It was found that retene (Re) and perylene (Per) are both mainly of natural origin in Zaka

217 Using perylene pi-pi stacking weak attractive forces, we succe

218 nding phenylethyne-linked dyads, including a perylene-porphyrin (< or = 0.5 ps) and a porphyrin-phtha

219 uble and stable tetracyano-oligo(N-annulated perylene)quinodimethanes nPer-CN (n = 1-6), with the lon

220 erylene, only the bisanthene reacts, and the perylene remains unchanged.

221 S transformations of 1,6- and/or 1,7-diamino perylenes result in 2-fold annulated nitrogen-containing

222 to give a porphyrin beta,meso annulated with perylene rings (0.7:1 ratio of syn and anti isomers).

223 olecules, including 9,10-diphenylanthracene, perylene, rubrene and TIPS-pentacene, are reported.

224 optical response of thin-film single-crystal perylene samples of distinct polymorphs in transmission

225 itions (FeCl(3), dichloromethane) occurs for perylene-substituted porphyrins to give a porphyrin beta

226 cteriochlorin), chromophore (boron-dipyrrin, perylene, terrylene), and attachment sites (meso-positio

227 The acceptor block A is a perylene tetracarboxyl diimide (PDI), whereas the donor

228 We used perylene tetracarboxylic acid (PTCA) to functionalize th

229 rong interlayer coupling-MoS(2) and 3,4,9,10-perylene tetracarboxylic dianhydride (PTCDA), respective

230 to be true for acenes, phthalocyanines, and perylene tetracarboxylic diimide (PDI)-based molecules.

231 examined the optical properties of gas-phase perylene tetracarboxylic diimide (PTCDI) and its chromop

232 Perylene tetracarboxylic diimide (PTCDI) derivatives sta

233 ue, we measure the conductance histograms of perylene tetracarboxylic diimide (PTCDI) molecules attac

234 ssembled from an electron acceptor molecule, perylene tetracarboxylic diimide (PTCDI), onto which (th

235 organic semiconductor N-N'-dioctyl-3,4,9,10-perylene tetracarboxylic diimide (PTCDI-C8) and a polyme

236 del oligomers containing exactly two or four perylene tetracarboxylic diimide (PTDI) units: linear fo

237 onor-acceptor (D-A) supramolecule comprising perylene tetracarboxylic diimide as the backbone scaffol

238 on transport through single redox molecules, perylene tetracarboxylic diimides, covalently bound to t

239 the short exciton diffusion lengths of alpha-perylene tetracarboxylicdianhydride (PTCDA) are due to u

240 rapid funneling of energy in a cascade from perylene to bis(porphyrin) to phthalocyanine.

241 In addition to rapid and efficient perylene-to-porphyrin energy transfer, the broad blue-gr

242 high solubility in organic media and facile perylene-to-porphyrin energy transfer, while avoiding ch

243 characterized with and without a fluorescent perylene trap at the core.

244 e higher generation monodendrons without the perylene trap exhibit high molar extinction coefficients

245 When a perylene trap is placed at the core, then the monodendro

246 uent oxidative ring closure reactions of the perylene units and exhibit NIR absorption at 945 nm.

247 chemical species from hydrogen and benzo[ghi]perylene were carried out experimentally in the temperat

248 nd radiocarbon content of pyrogenic PAHs and perylene were determined 20 years after a previous study

249 ch wire (with the exception of the C9-linked perylene wire) exhibits a visible absorption spectrum th

250 Replacing perylene with pyrene allowed reversal of the direction o

251 The Pictet-Spengler (PS) reaction of 1-amino-perylenes with different aldehydes is used to modify the