ライフサイエンスコーパス: coumarin

1 Claisen rearrangement of a 1,1-dimethylallyl coumarin.

2 ties should enhance biological properties of coumarin.

3 Interface into MS, confirmed the identity of coumarin.

4 site of binding for the most potent sulfated coumarin.

5 echanisms by alkyl adenylates and diarylated coumarins.

6 ydroxy aromatic aldimines with 3-substituted coumarins.

7 of inhibitors when compared to isostructural coumarins.

8 molecular Friedel-Crafts reaction of benzo[f]coumarins.

9 technological and biochemical importance of coumarins.

10 n unsymmetrical product derived from the two coumarins.

11 chemical properties and possible toxicity of coumarins.

12 biologically important pi-electron extended coumarins.

13 ghly oxygenated rather than monohydroxylated coumarins.

14 ion of (E)-cinnamic acid analogues to afford coumarins.

15 However, the levels of coumarin (0.6-63 mg/kg) may result in an exposure that,

16 The kernels showed a high content of coumarin (0.87 mgg(-1)) which is the main class of metab

17 differently sized luminescent guests, namely coumarin 1, coumarin 4, fluorescein, [Ru(bpy)3 ]Cl2 , an

18 Electrochemical reduction of coumarin (1), 6-methylcoumarin (2), 7-methylcoumarin (3)

19 The solutes, coumarin 152 (C152) and coumarin 461 (C461), both belong

20 toinduced electron transfer dynamics between coumarin 153 (C153) and 4,4'-dimethyl viologen dichlorid

21 hyl-6-propionyl-2-naphthylamine (prodan) and coumarin 153 (C153) in a series of toluene/dimethyl sulf

22 with varying concentrations of the laser dye coumarin 153 containing a CF(3) group.

23 ved fluorescence experiments with photoacids coumarin 183 and equilenin show the active site of Delta

24 Photoexcitation of a fluorescent analog (coumarin 183) of the reaction intermediate mimics the ch

25 marin 343, after receiving energy from donor Coumarin 2 emitted higher fluorescence intensity than wh

26 ceptor Coumarin 343 in the core to the donor Coumarin 2 on the periphery, and the average distance be

27 n efficient energy transfer from the excited Coumarin 2 to the ground-state Coumarin 343 in the core,

28 Highly flexible N-benzyl-N-alkyloxy coumarins 2-12 showed good inhibitory activities at MAO-

29 presentative library of 3,5,8-trisubstituted coumarins (21 compounds, 7 families, 3 groups) is descri

30 metric fluorescence signal between 7-hydroxy coumarin 3-carboxylic acid and neutral red dyes.

31 capsulated neutral red were produced using a coumarin 3-carboxylic acid conjugated poly(sodium N-unde

32 t AND molecular logic gates are based on the coumarin-3-aldehyde scaffold and designed to give a turn

33 weight carbonylated LPP with 7-(diethylamino)coumarin-3-carbohydrazide (CHH) and analyze all compound

34 We present here the inhibitory properties of coumarin-3-carboxylate derivatives against these enzymes

35 2-ethylpyrrole, and 2-methylallylsilane) to coumarin-3-carboxylates has been developed to afford chr

36 t reaction was designed by bringing together coumarin-3-carboxylates with indoles and amines to affor

37 eaction is developed using readily available coumarin-3-carboxylic acids and aldehydes as reactants u

38 talyzed decarboxylative functionalization of coumarin-3-carboxylic acids is devised.

39 through the reaction of either coumarins or coumarin-3-carboxylic acids with aromatic aldehydes.

40 electron-rich phenols reacted with esters of coumarin-3-carboxylic acids, leading to substituted chro

41 ons in the intracellular environment using a Coumarin 343 (C343)-conjugated drug and hmKeima8.5 as a

42 tachment of 4-nitrophenyl-acetylacetonate or coumarin 343 adsorbates, exhibit hole injection into sur

43 for example, the molar ratio of the acceptor Coumarin 343 in the core to the donor Coumarin 2 on the

44 m the excited Coumarin 2 to the ground-state Coumarin 343 in the core, with the efficiency of the ene

45 g the solar cell sensitization properties of Coumarin 343 through structural modification.

46 e microscopy and imaging (Cy3, ATTO-740, and coumarin 343).

47 of the interfacial electron transfer between Coumarin 343, a solar cell sensitizer, and TiO(2) nanopa

48 The excited Coumarin 343, after receiving energy from donor Coumarin

49 on transfer from the photoreduced sensitizer Coumarin-343 (C343) to complex 1, both bound on the surf

50 cyanins make up 16.5%, phenolic acids 43.3%, coumarin 36.2% and flavonoids 4% of total compounds.

51 sized luminescent guests, namely coumarin 1, coumarin 4, fluorescein, [Ru(bpy)3 ]Cl2 , and rhodamine

52 gher sensitivity than conventional 7-methoxy-coumarin-4-yl acetic acid (MCA)/Lys(DNP) substrates; thu

53 We present the synthesis of [7-(diethylamino)coumarin-4-yl]methyl (DEACM)-caged phosphorylated serine

54 The solutes, coumarin 152 (C152) and coumarin 461 (C461), both belong to a family of 7-aminoc

55 ovement in the sensitivity of the signal for coumarin 47 when the plasma was used to ionize the dye u

56 hase velocity in nonretained measurements of Coumarin 480 (C480).

57 on and removal of the 7-hydroxy group led to coumarin 59, which had increased potency and improved ra

58 ells catalyzed the coupling of the monomeric coumarin 7-demethylsiderin both regio- and stereoselecti

59 efficiency with 7-ethoxy-4-(trifluoromethyl)coumarin (7-EFC), followed by 7-methoxy-4-(trifluorometh

60 C), followed by 7-methoxy-4-(trifluoromethyl)coumarin (7-MFC).

61 Recently, coumarin-7-boronate has been developed as a probe for th

62 NOO(-) with the aid of boronate probes, e.g. coumarin-7-boronic acid or 4-boronobenzyl derivative of

63 Using a novel fluorogenic probe, coumarin-7-boronic acid, that reacts stoichiometrically

64 elum minutum leaves together with four known coumarins, 8,4''-dihydroxy-3'',4''-dihydrocapnolactone-2

65 bilizing anticancer agent, as well as with 6-coumarin, a fluorescent probe.

66 s containing ethanol are correlated with the coumarin absorbances in summer, winter and spring wherea

67 l monomers based on different aminoacids and coumarin allowed isolation of polymers with very good re

68 n their rates of hydrolysis of 5-aminomethyl coumarin (AMC) from C-terminally labeled peptide, ubiqui

69 hromenes were converted to the corresponding coumarin analogues by a pyridinium dichromate (PDC)-medi

70 The coumarin analogues have been widely utilized in medicine

71 A series of coumarin analogues were synthesized and incorporated int

72 es for the synthesis of new nonnatural amino coumarin analogues.

73 ate, which is glycosidically conjugated to a coumarin and a linker containing a tert-butyloxycarbamid

74 nt amide synthetases toward a broad range of coumarin and acyl donor substrates.

75 cient photoinduced electron transfer between coumarin and dG slows down ICL formation.

76 y of the immobilized CYP2A6-FLD, toward both coumarin and nicotine substrates, by tranylcypromine, a

77 Experimental results indicated that both coumarin and p-chlorobenzoic acid are oxidized via direc

78 f the ratio of fluorescence intensities from coumarin and the NBD-Cys or NBD-Hcy adducts generates a

79 ted ground state for the cation, whereas for coumarin and xanthenyl cations substituted with strong d

80 iolamides in formation of 3-organoselenyl-2H-coumarins and 3-organoselenyl-quinolinones, respectively

81 The methodology was extended to 2-coumarins and applied to the synthesis of flemichapparin

82 a are those producing cyanogenic glycosides, coumarins and benzofuranocoumarins, being predominantly

83 pression diverts the biochemical flux toward coumarins and general phenylpropanoids.

84 ification of small molecules (coumarins, iso-coumarins and pyrido-pyrimidinones) that modify the alte

85 -derived plant compounds such as flavonoids, coumarins and the cell wall polymer lignin.

86 A series of coumarins and the corresponding 2-thioxocoumarines were

87 2] photocycloaddition of three 4-(alk-4-enyl)coumarins and three 1-(alk-4-enoyl)-2,3-dihydropyridones

88 o-3-((((2-iodoacetamido)ethyl)amino)carbonyl)coumarin, and introduced into permeabilized rabbit psoas

89 center are derived from alkylidene oxindole, coumarin, and malonate substrates with high stereoselect

90 aimed to quantify the levels of resveratrol, coumarin, and other bioactives in pulps and by-products

91 alkoxycoumarins, 7-alkoxy-4-(trifluoromethyl)coumarins, and 7-alkoxy-4-methylcoumarins-with a C1-C7 s

92 s, flavonoid aglycones, C- and O-glycosides, coumarins, and lignans) in plant extracts was developed,

93 l oil constituents (monoterpenes, prenylated coumarins, and polymethoxylated flavonoids).

94 id-sensitive moieties conjugated to nonpolar coumarin- and BODIPY-based fluorophores.

95 The coumarin- and BODIPY-conjugated amine probes described h

96 first time, a study was performed to compare coumarin- and chomone-3-phenylcarboxamide scaffolds.

97 Indanones and coumarins are important intermediates for the convenient

98 Electrocatalysis experiments using coumarin as substrate followed by fluorimetric quantific

99 ta-arrestin assays to identify 3-substituted coumarins as a novel class of antagonists and performed

100 Arabidopsis plants release Fe(III)-chelating coumarins as part of the strategy I-type Fe acquisition

101 ,8-naphthalimides, fluoresceins, rhodamines, coumarins, azo-dyes, oxadiazoles, diverse aromatic dyes

102 the C-S bond coupling reaction by applying a coumarin-based fluorogenic probe in bacterial lysates.

103 Previously, we described coumarin-based inhibitors of an underexploited bacterial

104 rt the synthesis and evaluation of optimized coumarin-based inhibitors with 9-18-fold increased poten

105 of organic host materials, we synthesized a coumarin-based ligand that was cyclometalated onto an ir

106 were assembled by first binding photolabile coumarin-based molecules to the nanoparticle surface.

107 emonstrated by fluorescence quenching of the coumarin-based nanogels.

108 ic (EO) chromophore with covalently attached coumarin-based pendant groups exhibits intermolecular co

109 ynthesis and characterization of a series of coumarin-based photocages of benzoic acid.

110 In this paper, new coumarin-based triclosan analogues are reported and thei

111 bsorption and emission among all pi-expanded coumarins bearing one OH functionality.

112 from droplets, no exchange of the sulfonated coumarins being detected over 24 h at 30 degrees C.

113 Coumarins belong to an important class of plant secondar

114 r their ability to transport the fluorescent coumarin beta-glucoside esculin when expressed in yeast.

115 er treatment, the distribution of individual coumarins between roots and exudates in the investigated

116 orted structure of a 2OGD enzyme involved in coumarin biosynthesis and closely resembles the structur

117 ic approach has been utilized to emulate the coumarin biosynthesis pathway, which features a key phot

118 droethidine, hydropropidine, Amplex Red, and coumarin boronate) with well defined redox chemistry tha

119 this study, we show that the profluorescent coumarin boronic acid (CBA) probe reacts with amino acid

120 d hydrogen peroxide using hydropropidine and coumarin boronic acid probes, respectively.

121 ch was detected using the fluorescent probe, coumarin boronic acid.

122 s, improved synthetic avenues to substituted coumarin building blocks were established.

123 r electron transfer quenching of a series of coumarins by N,N-dimethylaniline was investigated using

124 cesses of p-type NiO films cosensitized with coumarin C343 and a bioinspired proton reduction catalys

125 synthesis and photochemical properties of a coumarin-caged cyclic RGD peptide and demonstrate that u

126 lyprenol is released and the fluorescence of coumarin can be detected.

127 compounds incorporating 6- and 7-substituted coumarins (carbonic anhydrase, CA inhibitors) derivatize

128 l reaction employed was the hydroxylation of coumarin carboxylic acid.

129 arison of the kinetic parameters showed that coumarin catalysis was carried out with a higher efficie

130 A series of novel hydroxy-coumarin-chalcone hybrid compounds 2a-i has been synthes

131 have demonstrated that the structure of the coumarin chromophore influences the rate of the uncaging

132 previously described hydroperoxide-sensitive coumarin-conjugated phosphine probe to enable rapid quan

133 In this paper we report a coumarin-conjugated self-assembling system adorned with

134 These coumarins constitute a novel chemotype defined by the pr

135 roup (VMAT recognition), halogenated hydroxy-coumarin core (ratiometric optical pH sensing in the des

136 phosphate analogues bearing 7-(diethylamino)coumarin (DECM) and 4-bromo-5-hydroxy-2-nitrobenzhydryl

137 veral analogs, including a C-terminus-linked coumarin derivative (22) that exhibited appreciably incr

138 anidin, Cya), the interaction of Glia with a coumarin derivative (3-ethoxycarbonylcoumarin, 3-EcC), h

139 A new coumarin derivative is reported here, which could be use

140 effect of a methyl group incorporated in the coumarin derivative near the ester bond linking both moi

141 A coumarin derivative with IC50 similar to tacrine was hig

142 nt years, several laboratories have used the coumarin derivative, 4-methylumbelliferone, as a potent

143 ng acetic acid, however, the 3-(chloromethyl)coumarin derivatives are the sole products.

144 oducts and the corresponding 3-(chloromethyl)coumarin derivatives as the minor products.

145 The new coumarin derivatives can be useful as photocleavable pro

146 Gs, the emission of the mononitro-containing coumarin derivatives in the red region upon excitation w

147 cterized the inhibition of four psoralen and coumarin derivatives toward ALDH2 and compared them to t

148 dition of gamma-butyrolactam onto the 3-acyl coumarin derivatives was observed rather than the gamma-

149 um graminearum and Fusarium verticillioides, coumarin derivatives were proven to possess a very high

150 gent, leading to the high yield synthesis of coumarin derivatives, has been developed.

151 Two new ligands, out of a library of 17 coumarin derivatives, were identified, and the half-maxi

152 d as templates for docking the 7-substituted coumarin derivatives, which revealed orientations consis

153 In the first type of micelles, hydrophobic coumarin-derived dyes were encapsulated noncovalently in

154 As a result, the photoexcited coumarin did not show any of the typical relaxation dyna

155 ization led us to discover a novel series of coumarin-dihydropyridine hybrids that have potent osteob

156 These coumarin dimer-based compounds interact with gamma-secre

157 Addition of Fe(3+), or loss of ICDH-Coumarin due to pvc deletion results in prolonged RssAB

158 f hydrogen-bonded-base adducts with either a coumarin dye or 4-nitro-4'-biphenylphenol.

159 After visualizing this process with coumarin dye, we demonstrate targeted killing of tumor c

160 onyl of the lactone function of the original coumarin dyes has been replaced by the cyano(4-nitrophen

161 Its molecular structure is related to known coumarin dyes that could be used as lead chromophore anc

162 Photon counts and optical fluctuations from coumarin encoded within TRPV1 tetramers correlates with

163 In addition to coumarin, estragole, methyl-eugenol, (R)-(+)-pulegone an

164 However, coumarin exudation was compromised in abcg37 mutants onl

165 ld be attributed to ABCG36 function, whereas coumarin exudation was strongly reduced only in ABCG37 d

166 eficiency, which is known to strongly induce coumarin exudation, was also investigated.

167 al libraries and consequently developed a di-coumarin family of inhibitors that preferentially inhibi

168 nd a number of anthocyanins, phenolic acids, coumarins, flavanols, dihydrochalcones and flavonols wer

169 These fluorogenic dyes integrate a coumarin fluorochrome with the bioorthogonal trans-cyclo

170 nesulfonyl quencher in the lipid chain and a coumarin fluorophore in the peptide chain.

171 hich can catalyze the covalent ligation of a coumarin fluorophore onto a peptide recognition sequence

172 rmally unfolded protein and a thiol-specific coumarin fluorophore that is only fluorescent upon conju

173 Scopoletin was the most prominent coumarin found in Fe-deficient root exudates but failed

174 te group effectively prevents leakage of the coumarin from droplets, no exchange of the sulfonated co

175 olomic strategies; the OHC fraction includes coumarins, furocoumarins, and polymethoxylated flavonoid

176 efficient procedure for the synthesis of bis-coumarins fused at the pyranone ring has been developed.

177 t we tested, naturally occurring fluorescent coumarin glucosides (esculin and fraxin) were phloem loa

178 In this paper, two other coumarin glycosides and one aglycone were confirmed.

179 es revealed that 5-hydroxy-naphtho[2,1,8-def]coumarin has the most bathochromically shifted both abso

180 nent tandem synthesis of 3-N-sulfonylamidine coumarins has been accomplished by the coupling of salic

181 egioselective synthesis of naphtho[2,1,8-def]coumarins has been realized through a concise route that

182 So far, two monosubstituted coumarins, herniarin and umbelliferone, and two herniari

183 Of these compounds, tacrine-coumarin heterodimer 7c and tacrine derivative 6b were f

184 ies of novel tacrine derivatives and tacrine-coumarin heterodimers were designed, synthesized, and bi

185 A sensitive quantitative screening of coumarin in 43 commercially available cinnamons and cinn

186 hyl ester); (ii) locally photolyzing a caged coumarin in one cell of a coupled cell pair to release t

187 in guava and surinam cherry by-products and coumarin in passion fruit, guava and surinam cherry by-p

188 irectional synthesis of desired 3-sulfonated coumarins in a one-pot, two-step process.

189 obes as well as for the synthesis of complex coumarins in general.

190 , and aryl propiolates affords 3-sulfonated coumarins in good to excellent yields.

191 Sulfonamides and coumarins incorporating arylsulfonylureido tails were pr

192 These substituted coumarin inhibitors directly inhibit the acyl-acyl carri

193 We further show that ICDH-Coumarin is able to chelate Fe(3+) to switch off RssAB s

194 marins toward expedient synthesis of 3-aroyl coumarins is unveiled.

195 ently the identification of small molecules (coumarins, iso-coumarins and pyrido-pyrimidinones) that

196 Titrating the coumarin labeled aminoglycosides into the emissive A-sit

197 Moreover, we show that the coumarin-labeled inhibitor can be used to image PI4KB in

198 otochemical properties of two amide-tethered coumarin-labeled nicotinamides are described.

199 Coumarin labeling in the absence of such interaction is

200 bstituted phenylboronic acids to replace the coumarin lactone of 2, we identified that electronegativ

201 The identity and quantity of coumarin-like compounds in leaves and anthodia of Matric

202 mber of solutes per vesicle as a function of coumarin:lipid ratio and average number of solutes per v

203 The site-specific incorporation of three new coumarin lysine analogues into proteins was achieved in

204 These results demonstrate that coumarin lysines are a new and valuable class of optical

205 The genetically encoded coumarin lysines were successfully applied as fluorescen

206 We prepared a series of fluorogenic coumarin maleimide derivatives that differ by the substi

207 mino-3-((((2-maleimidyl)ethyl)amino)carbonyl)coumarin (MDCC) to a cysteine introduced at residue 212,

208 iethylamino-3-[N-(2-maleimidoethyl)carbamoyl]coumarin (MDCC).

209 aiacyl lignin and the basal synthesis of the coumarin metabolite scopoletin.

210 assay-guided isolation, two new monoterpene coumarins, minutin A and minutin B, were purified from M

211 A coumarin-modified pyrimidine nucleoside (1) has been syn

212 switchable DNA cross-linking reaction of the coumarin moieties can potentially serve as mechanistic p

213 s-link (ICL) formation was observed with the coumarin moieties containing a flexible two-carbon or lo

214 coordinate a K(+) ion in the pore with their coumarin moieties, whereas the hydrophobic phenoxyalkoxy

215 ced [2 + 2] cycloaddition occurs between the coumarin moiety and the thymidine upon 350 nm irradiatio

216 oncovalently associated with the substituted coumarin molecule, blocking the pores and preventing the

217 p the possibility of biosynthesizing diverse coumarin molecules with pharmaceutical importance.

218 gn principle is based on a nitrobenzofurazan-coumarin (NBD-Coum) construct, which fragments into spec

219 In this study, a COumarin-NEutral Red (CONER) nanoprobe was developed for

220 new pathway to generate a novel chlorinated coumarin "non-natural" product in E. coli.

221 the adaptation of a 7-ethoxytrifluoromethyl coumarin O-deethylation fluorescence activity assay to a

222 hylase (EROD), benzyloxy-4-[trifluoromethyl]-coumarin-O-debenzyloxylase (BFCOD), and 7-ethoxycoumarin

223 ner of interest, LplA(W37V) labels LAP1 with coumarin only when the protein partners to which they ar

224 inescent lanthanide (Ln(III)) complexes with coumarin or carbostyril antennae were synthesized and th

225 hod conducted through the reaction of either coumarins or coumarin-3-carboxylic acids with aromatic a

226 The reaction furnished coumarin- or quinolinone-fused lactone/lactam derivative

227 Coumarin oxidation to form the OH(*) adduct product 7-hy

228 igated the suitability of four OH(*) probes (coumarin, p-chlorobenzoic acid, terephthalic acid, and p

229 In general, all prepared coumarin-phenols as well as their hexyl ethers displayed

230 ino-3-((((2-maleimidyl)ethyl)amino)carbonyl) coumarin) placed at the same positions, which suggests a

231 ad of an alkyne as reaction partner leads to coumarin products which formally result from a (5 + 1) c

232 s further verified by a targeted LC-MS based coumarin profiling method.

233 constitutive concentrations of bark lignans, coumarins, proline, tyramine and defensive proteins, and

234 Herein, we report a coumarin-quinoline (CQ) conjugate-based turn-on near-inf

235 The mechanistic course of the uncatalyzed coumarin reactions was found to be a singlet pathway, wh

236 Coumarin-related metabolites revealed a similar increase

237 t high ferric-chelate reductase activity and coumarin release.

238 Overall, sulfated coumarins represent first-in-class, sub-maximal inhibito

239 is paper, we have designed and synthesized a coumarin-rhodamine (CR) TBET system and demonstrated tha

240 ation show that the functionalization of the coumarin ring results in a strong red-shift from 330 to

241 tural modifications to the amide side chain, coumarin ring, and sugar moiety.

242 tors has been time-consuming, we synthesized coumarin-SAHA (c-SAHA) as a fluorescent probe for determ

243 s of push-pull chromophores based on a novel coumarin scaffold in which the carbonyl of the lactone f

244 tion of the medically relevant 4-substituted coumarin scaffold.

245 ess, opening the way to exploiting these new coumarin scaffolds as caging groups that can be removed

246 nthesis of benzothiazole-tethered chromanone/coumarin scaffolds via Claisen rearrangement using a sol

247 llfully embraced with oxindole, pyrrole, and coumarin scaffolds, which are well-known for their enric

248 uinolin-4-one, quinolin-2-one, chromone, and coumarin scaffolds.

249 The coumarin scoparone was among the compounds with the high

250 s including phenolic compounds, of which the coumarin scopoletin (7-hydroxy-6-methoxy-2H-1-benzopyran

251 pivotal step in the biosynthesis of a simple coumarin scopoletin.

252 Among the 7-unsubstituted coumarins selective, competitive GPR55 antagonists were

253 identification of a 4,6-diaryl-5,7-dimethyl coumarin series that kills M. tuberculosis by inhibiting

254 DNA cross-linking by coumarins shows a kinetic preference when flanked by an

255 ng based on quantifying 18 furocoumarins and coumarins, some of which are regulated by law, and (ii)

256 route for the construction of functionalized coumarin structural frameworks in a single operation wit

257 was impaired in the presence of the sulfated coumarins suggesting that allosteric partial inhibition

258 between a set of drugs (i.e., indomethacin, coumarin, sulfadymethoxine, warfarin, and salicylic acid

259 substrates including cinnamates, crotonates, coumarins, sulfones, and chalcones were successfully fun

260 droarylation in the context of complex amino coumarin synthesis.

261 ciple, we attached four different length PEG-coumarin tags to the terminal phosphate of 2'-deoxyguano

262 dation (oxalic acid) and formation of OH(*) (coumarin, terephthalic acid).

263 required for the biosynthesis of fluorescent coumarins that are released into the rhizosphere, some o

264 lator 2-isocyano-6,7-dihydroxycoumarin (ICDH-Coumarin) that directly senses and modulates environment

265 The small size of coumarin, the site-specific incorporation, the applicati

266 Due to the fluorescent property of coumarin, these new structural motifs may find potential

267 This versatility in the binding mode of coumarins/thioxocoumarins has important consequences for

268 gas adsorption studies and by the uptake of coumarin to afford solid inclusion complexes.

269 ioanalytical tool for risk assessment showed coumarin to be active against Aliivibrio fischeri bacter

270 e reported targeting of the blue fluorophore coumarin to cellular proteins fused to a 13-amino acid r

271 ak arises from one-electron reduction of the coumarin to form a radical-anion intermediate, which is

272 usion complexes facilitate the conversion of coumarin to its anti-head-to-head (HH) photodimer with h

273 ation at 800 nm cleaves the bond holding the coumarin to the nanopore, releasing both the CD cap and

274 esized a focused library of some 36 sulfated coumarins to discover two agents that display sub-maxima

275 report a detailed study on the reactivity of coumarins toward DNA.

276 ated regioselective C-H functionalization of coumarins toward expedient synthesis of 3-aroyl coumarin

277 ls comparing low-molecular-weight heparin to coumarin treatment in cancer patients.

278 roligin-PSD-95), with as little as 10 min of coumarin treatment.

279 ng, the fluorescent non-canonical amino acid coumarin-tyrosine was genetically encoded at Y671, a res

280 olecular orientations of the chromophore and coumarin units are also evident when investigated optica

281 roups exhibits intermolecular correlation of coumarin units through molecular dynamics (MD) simulatio

282 Here we present delivery of a fluorescent coumarin using a cobalt(III) chaperone to target hypoxic

283 yields in the summer are correlated with the coumarin UV-vis absorbance at 274nm.

284 ng from assembly of the suitably substituted coumarin via the Pechmann reaction of 2-naphthols with a

285 Coumarin was also identified.

286 The model 5-hydroxy-naphtho[2,1,8-def]coumarin was transformed into corresponding dimer using

287 The specificity of ABCG37 for individual coumarins was further verified by a targeted LC-MS based

288 The coumarins were ineffective as hCA I and II inhibitors bu

289 Coumarins were recently shown to constitute a novel clas

290 Unlike coumarins which are hydrolyzed by the esterase CA activi

291 observed upon the solid-state irradiation of coumarin, which affords photodimers with low selectivity

292 ICL formation quenches the fluorescence of coumarin, which, for the first time, enables fast, easy,

293 photocycloaddition of 4-alkenyl-substituted coumarins, which led to the corresponding products with

294 fferent from the one observed for hydrolyzed coumarins, which occlude the entrance of the active site

295 hesis of flagella and the iron chelator ICDH-Coumarin whose production requires the pvc cluster.

296 e intermolecular [2+2] photocycloaddition of coumarin with tetramethylethylene mediated by thiourea c

297 ctron-deficient phenolic acetates, affording coumarins with excellent regioselectivity, and proceeds

298 , including chalcones, pyrazoles, chromones, coumarins, xanthines, isatin derivatives, thiazolidindio

299 the oxidative debenzylation of a substituted coumarin, yielding an increase in fluorescence on reacti

300 m hydroxide solution resulted in fluorescent coumarin zones, measured at 365/>400nm after stabilizati