ライフサイエンスコーパス: coumarin

1 site of binding for the most potent sulfated coumarin.

2 nstrated on a new vinyltetrazine-derivatized coumarin.

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

4 ties should enhance biological properties of coumarin.

5 Interface into MS, confirmed the identity of coumarin.

6 dependent on the secretion of plant-derived coumarins.

7 rized belonging to flavonoids, limonoids and coumarins.

8 ghly oxygenated rather than monohydroxylated coumarins.

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

10 echanisms by alkyl adenylates and diarylated coumarins.

11 ydroxy aromatic aldimines with 3-substituted coumarins.

12 of inhibitors when compared to isostructural coumarins.

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

14 technological and biochemical importance of coumarins.

15 n unsymmetrical product derived from the two coumarins.

16 chemical properties and possible toxicity of coumarins.

17 biologically important pi-electron extended coumarins.

18 small-molecule phytoalexins, flavonoids, and coumarins.

19 to access optically active planar chiral 3D coumarins.

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

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

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

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

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

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 solated a lignan sesamin (1), two prenylated coumarins (2 and 3) and a marmesin glycosides (4) from M

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

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

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

33 on of protein carbonyls with 7-(diethylamino)coumarin-3-carbohydrazide (CHH).

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

62 The coumarin analogues have been widely utilized in medicine

63 A wide variety of N-substituted 7-amino coumarin analogues was prepared in good to excellent yie

64 A series of coumarin analogues were synthesized and incorporated int

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

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

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

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

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

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

71 pplied to the formation of 3-trifluoromethyl coumarins and analogues of therapeutic agents.

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

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

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

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

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

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

78 2] photocycloaddition of three 4-(alk-4-enyl)coumarins and three 1-(alk-4-enoyl)-2,3-dihydropyridones

79 f activators (tanshinones, dalbergiones, and coumarins) and inhibitors (flavonoids and resveratrol) r

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

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

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

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

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

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

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

87 t in contrasting excited-state properties of coumarin-annelated heptahelicenes; in addition to the in

88 [g]-Face pai-expanded coumarins are synthesized by employing the Scholl cycliz

89 ic investigation revealed the formation of a coumarin as a side product, which was identified by 2D N

90 Electrocatalysis experiments using coumarin as substrate followed by fluorimetric quantific

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

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

93 ,8-naphthalimides, fluoresceins, rhodamines, coumarins, azo-dyes, oxadiazoles, diverse aromatic dyes

94 an octreotide peptide with far-red emitting coumarin-based COUPY dyes.

95 subcellular accumulation of nonconventional coumarin-based COUPY fluorophores can be fine-tuned thro

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

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

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

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

100 se toward the development of new fluorescent coumarin-based probes by researchers in the field.

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

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

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

104 Coumarins belong to an important class of plant secondar

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

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

107 We find that lack of coumarin biosynthesis in f6'h1 mutant plant lines causes

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

109 l chemical families of fluorophores (such as coumarin, BODIPY, and oxygen/carbon/silicon-rhodamine),

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

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

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

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

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

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

116 ortance of linker selection in the design of coumarin-caged oligonucleosides and other conjugates.

117 unique uncaging properties displayed by two coumarin-caged thymidine compounds, each conjugated with

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

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

120 roadband and simultaneous emission involving coumarin carboxylic acid, furocoumarin and dansyl anilin

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

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

123 ically relevant therapeutic drugs (nicotine, coumarin, chlorzoxazone, and acetaminophen) and the prod

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

125 al led to strong fluorescence emitted by the coumarin chromophore, enabling D-F07 to be tracked insid

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

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

128 These coumarins constitute a novel chemotype defined by the pr

129 r switch for singlet states based on 3-(2) H-coumarin containing an isolated proton.

130 A and exotine B, which comprise the unusual coumarin-cyclohepta[b]indole ring system, have been achi

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

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

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

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

135 A coumarin derivative with IC50 similar to tacrine was hig

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

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

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

139 The new coumarin derivatives can be useful as photocleavable pro

140 ,3-dihydrobenzofurans and diaryl-substituted coumarin derivatives in moderate to good yields.

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

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

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

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

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

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

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

148 Furocoumarin (furo[3,2-c]coumarin) derivatives have been synthesized from single

149 Coumarins, derivatives of cinnamic acid, are found in wi

150 e, we characterize the utility of osthole, a coumarin derived from a traditional Chinese medicine, in

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

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

153 These new arene-annulated dipolar coumarins display interesting absorption and fluorescent

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

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

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

157 were found similar to those of their parent coumarin dyes.

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

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

160 e optically pure enantiomers of heptahelical coumarins exhibit helicity-dependent chiroptical propert

161 However, coumarin exudation was compromised in abcg37 mutants onl

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

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

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

165 out, three major chemical classes (steroids, coumarins, flavonoids) were identified from the Spectrum

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

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

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

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

170 nt on plant iron import and secretion of the coumarin fraxetin.

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

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

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

174 light, the pyrrolo[2,1- a]isoquinoline- and coumarin-fused pentacycles B were found to undergo aerob

175 A series of pyrrolo[2,1- a]isoquinoline and coumarin-fused pentacyclic derivatives were synthesized

176 operation provides access to the pentacyclic coumarin-fused pyrrolo-dihydroisoquinoline core present

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 ced decarboxylative 4-position alkylation of coumarins has been reported.

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

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

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

186 Novel coumarin-iminophosphorane (IPP) fluorophores that have s

187 These results show that coumarins improve plant performance by eliciting microbe

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

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

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

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

192 nstrate a potential role for iron-mobilizing coumarins in sculpting the A. thaliana root bacterial co

193 ransferase (MTase) NovO forms C-(m)ethylated coumarins in superior yield and greater substrate scope

194 relevant flavenes and isoflavenes, and even coumarins, in high yields (59 to 91%, 32 examples).

195 Sulfonamides and coumarins incorporating arylsulfonylureido tails were pr

196 An intramolecularly bound coumarin indicator is released in the presence of cell s

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

198 The absorption and emission profiles of the coumarin-IPP derivatives can be fine-tuned: an electron-

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

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

201 rial root microbiota, stimulated by secreted coumarins, is an integral mediator of plant adaptation t

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

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

204 4) metal-organic cages/polyhedra (MOCs) with coumarin ligands.

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

206 r poloxamer 407 (P407) via a photo-cleavable coumarin linkage (CM).

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

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

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

210 The genetically encoded coumarin lysines were successfully applied as fluorescen

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

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

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

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

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

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

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

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

219 ional molecules through energy transfer to a coumarin molecule, a process termed bioluminolysis.

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

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

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

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

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

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

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

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

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

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

230 chanical activation to release a fluorogenic coumarin payload from a polymer incorporating a chain-ce

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

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

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

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

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

236 that this interaction between commensals and coumarins promotes growth by relieving iron starvation.

237 substituents and C-substituents ranging from coumarin, quinoline, phthalimide to truxene.

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

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

240 Coumarin-related metabolites revealed a similar increase

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

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

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 polymer PAVE containing photo-cross-linkable coumarin segments and carboxylic groups was co-assembled

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

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

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

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

257 cted in Slovak Tokaj wines using method with coumarin-specific sorbents.

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

259 Nanoluc-Halotag chimera protein (H-Luc) to a coumarin substrate yields the excited state of coumarin,

260 actor production with C-(m)ethyl transfer to coumarin substrates catalyzed by the methyltransferase (

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

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

263 ion of a series of [2.2]paracyclophane-fused coumarin systems through a simple and general procedure

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

282 orescent small bioprobes based on lipophilic coumarin were developed, which exhibited high selectivit

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

284 Coumarins were recently shown to constitute a novel clas

285 eral saturated and unsaturated C-4 alkylated coumarins were synthesized.

286 printed polymers (MIP), selective for simple coumarins, were used in three forms, as sorbents in soli

287 Unlike coumarins which are hydrolyzed by the esterase CA activi

288 umarin substrate yields the excited state of coumarin, which in turn triggers hydrolysis to uncage a

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

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

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

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

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

294 Discovery of trypanocidal coumarins with dual inhibition of both the glycerol kina

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

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

297 ese include flavonoids, hydroxynaphthalenes, coumarins, xanthones, anthraquinones, phloroglucinols, p

298 uorescent unnatural amino acid, (7-hydroxy-4-coumarin-yl) ethylglycine, which provides a signal for e

299 orescent un-natural amino acid, (7-hydroxy-4-coumarin-yl)-ethylglycine, using orthogonal amber suppre

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