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Journal articles on the topic 'Phenylcoumarone'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Li, S., та K. Lundquist. "Acid Reactions of Lignin Models of β-5 Type". Holzforschung 53, № 1 (1999): 39–42. http://dx.doi.org/10.1515/hf.1999.007.

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Summary Refluxing of trans–2-(3,4-dimethoxyphenyl)-3-hydroxymethyl-7-methoxy-2,3-dihydrobenzo[b]furan with dioxane-water (9 : 1) in the presence of various acid catalysts led to the formation of 2-(3,4-dimethoxyphenyl)- 7-methoxy-3-methylbenzo[b]furan, the trans and cis forms of 2-hydroxy-3,3′4′-trimethoxystilbene and cis–2-(3,4-dimethoxyphenyl)-3-hydroxymethyl-7-methoxy-2,3-dihydrobenzo[b]furan. The proportions of the products were strongly dependent on the particular acid used as catalyst. HCl and to a greater extent HBr favored the formation of the 2-arylbenzofuran (phenylcoumarone) while t

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2

Li, Suxiang, Chengke Zhao, Fengxia Yue та Fachuang Lu. "Revealing Structural Modifications of Lignin in Acidic γ-Valerolactone-H2O Pretreatment". Polymers 12, № 1 (2020): 116. http://dx.doi.org/10.3390/polym12010116.

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γ-valerolactone (GVL)/H2O/acid solvent mixtures has been used in chemical pretreatment of lignocellulosic biomass, it was claimed that GVL lignins were structurally close to proto (native) lignins, or having low molecular weight with narrow polydispersity, however, the structural changes of GVL lignins have not been investigated. In this study, β-O-4 (β-aryl ether, GG), β-5 (phenylcoumaran), and β-β (resinol) lignin model compounds were treated by an acidic GVL-H2O solvent system, a promising pretreatment of lignocellulose for biomass utilization, to investigate the structural changes possibly

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3

Lahive, Ciaran W., Christopher S. Lancefield, Anna Codina, Paul C. J. Kamer, and Nicholas J. Westwood. "Revealing the fate of the phenylcoumaran linkage during lignin oxidation reactions." Organic & Biomolecular Chemistry 16, no. 11 (2018): 1976–82. http://dx.doi.org/10.1039/c7ob03087h.

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4

Turhanen, Petri A., Liisa P. Nousiainen, and Juri M. Timonen. "3-(3-Bromophenyl)-7-acetoxycoumarin." Molbank 2022, no. 4 (2022): M1513. http://dx.doi.org/10.3390/m1513.

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In natural product synthesis, the procurement of easily accessible starting materials is crucial. Chromenones and their subclass, coumarins, are a wide family of small, oxygen-containing aromatic heterocycles. Phenylcoumarins offer a particularly excellent starting point for a diverse chemical space of natural products, and thus are excellent staring materials for more complex natural products. Herein, we report an efficient synthesis of an easily accessible 3-phenylcoumarin bearing two orthogonally substitutable groups, bromine, and an acetyl-protected phenylic hydroxyl group.

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5

Noutary, C., P. Fornier de Violet, J. Vercauteren, and A. Castellan. "Photochemical studies on a phenolic phenylcoumarone lignin model molecule in relation to the photodegradation of lignocellulosic materials. Part 1. Structure of the photoproducts." Research on Chemical Intermediates 21, no. 3-5 (1995): 223–45. http://dx.doi.org/10.1007/bf03052255.

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6

Noutary, C., P. Fornier de Violet, J. Vercauteren, and A. Castellan. "Photochemical studies on a phenolic phenylcoumarone lignin model molecule in relation to the photodegradation of lignocellulosic materials. Part 2. Photophysical and photochemical studies." Research on Chemical Intermediates 21, no. 3-5 (1995): 247–62. http://dx.doi.org/10.1007/bf03052256.

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7

Matos, Maria J., Lourdes Santana, and Eugenio Uriarte. "3-Phenylcoumarin." Acta Crystallographica Section E Structure Reports Online 68, no. 9 (2012): o2645. http://dx.doi.org/10.1107/s1600536812034277.

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8

Kamat, Shrivallabh P., Asha M. D'Souza, Shashikumar K. Paknikar, and Philip S. Beauchamp. "A Convenient One-Pot Synthesis of 4-Methyl-3-Phenyl-, 3-Aryl- and 3-Aryl-4-Phenylcoumarins." Journal of Chemical Research 2002, no. 5 (2002): 242–46. http://dx.doi.org/10.3184/030823402103171834.

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Thermal condensation of 2′-hydroxyacetophenones 1a–e with phenylacetic acid 2a in refluxing diphenyl ether gives 4-methyl-3-phenylcoumarins 3a–e. Similarly, reaction of 2-hydroxybenzaldehydes 1f–m and 2-hydroxybenzo-phenones 1n–p with phenylacetic acids 2a–d gives the corresponding 3-arylcoumarins 3f–m and 3-aryl-4-phenylcoumarins 3n–p respectively. Formation of esters 4 and 5 and benzofuran 6 is also observed.

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9

P., L. Majumder, Chatterjee (nee Lahiri) S., and Mukhoti N. "The reactions of phenols with a,,B-unsaturated aromatic acids in presence of polyphosphoric acid : synthetic and mechanistic studies." Journal of Indian Chemistry Society Vol. 78, October-December 2001 (2001): 743–55. https://doi.org/10.5281/zenodo.5897928.

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Department of Chemistry, University College of Science, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India <em>Manuscript received 30 August 2001</em> The reactions of cinnamic acid with phenol itself, catechol, hydroquinone, pyrogallol and 2-naphthol in presence PPA were studied and that with resorcinol was reinvestigated. With phenol itself and hydroquinone were obtained 3,4-dihydro-4- phenylcoumarin (1r) and 6-hydroxy-3,4-dihydro-4-phenylcoumarin (1s), respectively, as the sole products. Catechol and pyrogallol, on the other hand, afforded, besides the corresponding 3,4-dihydrocoumar

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10

P., L. Majumder, Chatterjee (née Lahiri) S. та Mukhoti N. "The reactions of phenols with α,β-unsaturated aromatic acids in presence of polyphosphoric acid : synthetic and mechanistic studies". Journal of Indian Chemical Society Vol. 78, Oct-Dec 2001 (2001): 743–55. https://doi.org/10.5281/zenodo.5912831.

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Department of Chemistry, University College of Science, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India <em>Manuscript received 30 August 2001</em> The reactions of cinnamic acid with phenol itself, catechol, hydroquinone, pyrogallol and 2-naphthol in presence<strong> </strong>PPA were studied and that with resorcinol was reinvestigatcd. With phenol itself and hydroquinone were obtained 3,4-dihydro-4- phenylcoumarin (1r) and 6-hydroxy-3,4-dihydro-4-phenylcoumarin (1s), respectively, as the sole products. Catechol and pyrogallol, on the other hand, afforded, besides the corresponding

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11

Sasaki, Teppei, Katsuhiko Moriyama, and Hideo Togo. "One-pot preparation of 4-aryl-3-bromocoumarins from 4-aryl-2-propynoic acids with diaryliodonium salts, TBAB, and Na2S2O8." Beilstein Journal of Organic Chemistry 14 (February 5, 2018): 345–53. http://dx.doi.org/10.3762/bjoc.14.22.

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Various 4-aryl-3-bromocoumarins were smoothly obtained in moderate yields in one pot by treating 3-aryl-2-propynoic acids with diaryliodonium triflates and K2CO3 in the presence of CuCl, followed by the reaction with tetrabutylammonium bromide (TBAB) and Na2S2O8. The obtained 3-bromo-4-phenylcoumarin was transformed into 4-phenylcoumarin derivatives bearing C–H, C–S, C–N, and C–C bonds at 3-position.

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12

Matos, Maria J., Eugenio Uriarte, and Lourdes Santana. "3-Phenylcoumarins as a Privileged Scaffold in Medicinal Chemistry: The Landmarks of the Past Decade." Molecules 26, no. 21 (2021): 6755. http://dx.doi.org/10.3390/molecules26216755.

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3-Phenylcoumarins are a family of heterocyclic molecules that are widely used in both organic and medicinal chemistry. In this overview, research on this scaffold, since 2010, is included and discussed, focusing on aspects related to its natural origin, synthetic procedures and pharmacological applications. This review paper is based on the most relevant literature related to the role of 3-phenylcoumarins in the design of new drug candidates. The references presented in this review have been collected from multiple electronic databases, including SciFinder, Pubmed and Mendeley.

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13

Gramacho, R. da S., Tanus J. Nagem, Tânia Toledo de Oliveira, Maria Eliana L. R. de Queiroz, Antonio A. Neves, and Nagib Saddi. "Phenylcoumarins from Kielmeyera elata." Phytochemistry 51, no. 4 (1999): 579–81. http://dx.doi.org/10.1016/s0031-9422(99)00057-6.

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14

Honda, T., I. Fujii, N. Hirayama, N. Aoyama, and A. Miike. "7-Amino-3-phenylcoumarin." Acta Crystallographica Section C Crystal Structure Communications 52, no. 4 (1996): 899–901. http://dx.doi.org/10.1107/s0108270195014818.

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15

Honda, T., I. Fujii, N. Hirayama, N. Aoyama, and A. Miike. "7-Hydroxy-3-phenylcoumarin, C15H10O3." Acta Crystallographica Section C Crystal Structure Communications 51, no. 12 (1995): 2712–14. http://dx.doi.org/10.1107/s0108270195008821.

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16

Shamsuddin, K. M., and Mohammad Jamshed Ahmed Siddiqui. "One-pot Synthesis of 4-Phenylcoumarins." Journal of Chemical Research, no. 7 (1998): 392–93. http://dx.doi.org/10.1039/a707536g.

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17

Bedoya, Luis M., Manuela Beltrán, Rocío Sancho, et al. "4-Phenylcoumarins as HIV transcription inhibitors." Bioorganic & Medicinal Chemistry Letters 15, no. 20 (2005): 4447–50. http://dx.doi.org/10.1016/j.bmcl.2005.07.041.

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18

Matos, Maria João, Lourdes Santana, Eugenio Uriarte, et al. "New halogenated phenylcoumarins as tyrosinase inhibitors." Bioorganic & Medicinal Chemistry Letters 21, no. 11 (2011): 3342–45. http://dx.doi.org/10.1016/j.bmcl.2011.04.012.

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19

Nagem, Tanus J., and Maurício De A. e Silva. "Xanthones and phenylcoumarins from Kielmeyera pumila." Phytochemistry 27, no. 9 (1988): 2961–62. http://dx.doi.org/10.1016/0031-9422(88)80696-4.

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20

Mellado, Marco, César González, Jaime Mella, et al. "Coumarin-Resveratrol-Inspired Hybrids as Monoamine Oxidase B Inhibitors: 3-Phenylcoumarin versus trans-6-Styrylcoumarin." Molecules 27, no. 3 (2022): 928. http://dx.doi.org/10.3390/molecules27030928.

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Monoamine oxidases (MAOs) are attractive targets in drug design. The inhibition of one of the isoforms (A or B) is responsible for modulating the levels of different neurotransmitters in the central nervous system, as well as the production of reactive oxygen species. Molecules that act selectively on one of the MAO isoforms have been studied deeply, and coumarin has been described as a promising scaffold. In the current manuscript we describe a comparative study between 3-phenylcoumarin (endo coumarin-resveratrol-inspired hybrid) and trans-6-styrylcoumarin (exo coumarin-resveratrol-inspired h

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21

Matsushita, Yasuyuki, Kousuke Ioka, Kaori Saito, Ruka Takama, Dan Aoki, and Kazuhiko Fukushima. "Fragmentation mechanism of the phenylcoumaran-type lignin model compound by ToF-SIMS." Holzforschung 67, no. 4 (2013): 365–70. http://dx.doi.org/10.1515/hf-2012-0115.

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Abstract The experiments with model compounds revealed that time-of-flight secondary ion mass spectrometry (ToF-SIMS) is able to split the common interunit linkages of lignin, except the 5-5 linkage. In a previous study, ToF-SIMS produced characteristic secondary ions with m/z 137 and 151 (C6-C1 fragments) from the phenylcoumaran-type lignin model compound, the benzofuran ring of which has a β-5 linkage and an α-O-4 linkage. However, it is still unclear whether the fragments are from ring A with the free phenolic OH as a result of the sole cleavage of the α-O-4 link by opening the furan ring o

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22

VANDANA, LODHA, A. KHAN H. та GHANIM ABU. "5, 7,4'-Trimethoxy-4-phenylcoumarin from Roots of Indigoferα oblongifoliα". Journal of Indian Chemical Society Vol. 75, Aug 1998 (1998): 485. https://doi.org/10.5281/zenodo.5936293.

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Central Arid Zone Research Institute, Jodhpur-342 001 <em>Manuscript received 20 August 1997, revised 15 September 1997, accepted 24 February 1998</em> 5,7,4'-Trimethoxy-4-phenylcoumarin has been isolated from the roots of <em>lndigoferα oblongifoliα</em> and characterised by spectroscopic methods.

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23

Das, K., U. C. Sinha, D. D. Narkhede, P. R. Iyer, and R. Bohra. "Structure of a 4-phenylcoumarin derivative." Acta Crystallographica Section C Crystal Structure Communications 47, no. 9 (1991): 1922–25. http://dx.doi.org/10.1107/s0108270191002068.

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24

López-Pérez, José L., Dionisio A. Olmedo, Esther del Olmo, et al. "Cytotoxic 4-Phenylcoumarins from the Leaves ofMarilapluricostata." Journal of Natural Products 68, no. 3 (2005): 369–73. http://dx.doi.org/10.1021/np049642g.

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25

KUBO, Kanji, Taisuke MATSUMOTO, and Haruko TAKECHI. "Crystal Structure of 7-(Dimethylamino)-3-phenylcoumarin." X-ray Structure Analysis Online 35 (August 10, 2019): 47–48. http://dx.doi.org/10.2116/xraystruct.35.47.

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26

Kumutanat, Wiyarat, Sakchai Hongthong, Sariyarach Thanasansurapong, Naowarat Kongkum, and Napasawan Chumnanvej. "GC-MS and Bioassay-Guided Isolation of Xanthones from <i>Mammea siamensis</i>." Indonesian Journal of Chemistry 23, no. 3 (2023): 716. http://dx.doi.org/10.22146/ijc.79987.

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Mammea siamensis (Miq.) T. Anders. (Calophyllaceae) plants have long been employed as an active integral composition in Thai traditional medicine. Additionally, phenylcoumarins and triterpenes were reported as major components in phytochemical research. This work explored the various parts of M. siamensis; barks, flowers, twigs, leaves, and young leaves; to determine their bioactive compounds. By using the GC-MS and bioassay guidance, two xanthones, 6-deoxyisojacareubin (1) and 1,5-dihydroxyxanthone (2), together with a mixture of phenylcoumarins, mammea A/AA cyclo D (3) and mammea A/AB cyclo

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27

Vashisth, Neeraj, Satya Parkash Sharma, Surender Kumar, and Aruna Yadav. "Green synthesis of 3-(1-naphthyl), 4-methyl-3-(1-naphthyl) coumarins and 3-phenylcoumarins using dual-frequency ultrasonication." Green Processing and Synthesis 9, no. 1 (2020): 399–404. http://dx.doi.org/10.1515/gps-2020-0042.

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AbstractGreen synthesis of 3-(1-naphthyl), 4-methyl-3-(1-naphthyl) coumarins and 3-phenylcoumarins has been carried out in one step by reacting 2-hydroxybenzaldehydes and 2-hydroxyacetophenones with 1-naphthylacetic anhydride and phenylacetic anhydride, respectively, using dual-frequency ultrasonication, i.e. ultrasonic bath of 40 kHz and probe of 20 kHz. The compounds were obtained in very high yield (80–90%) and their structures were confirmed by infrared and nuclear magnetic resonance data.

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28

Olmedo, Dionisio, Rocío Sancho, Luis M. Bedoya, et al. "3-Phenylcoumarins as Inhibitors of HIV-1 Replication." Molecules 17, no. 8 (2012): 9245–57. http://dx.doi.org/10.3390/molecules17089245.

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29

Itoigawa, Masataka, Chihiro Ito, Hugh T. W. Tan, et al. "Cancer chemopreventive agents, 4-phenylcoumarins from Calophyllum inophyllum." Cancer Letters 169, no. 1 (2001): 15–19. http://dx.doi.org/10.1016/s0304-3835(01)00521-3.

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30

Shamsuddin, K. M., and Mohammad Jamshed Ahmed Siddiqui. "ChemInform Abstract: One-Pot Synthesis of 4-Phenylcoumarins." ChemInform 30, no. 15 (2010): no. http://dx.doi.org/10.1002/chin.199915156.

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31

Matos, Maria Joao, Lourdes Santana, Eugenio Uriarte, et al. "ChemInform Abstract: New Halogenated Phenylcoumarins as Tyrosinase Inhibitors." ChemInform 42, no. 44 (2011): no. http://dx.doi.org/10.1002/chin.201144132.

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32

ANJANEYULU, A. S. R., G. SUDHARANI, U. V. MALLAVADHANI, and Y. L. N. MURTHY. "ChemInform Abstract: Synthesis of Some New 3-Phenylcoumarins." ChemInform 22, no. 37 (2010): no. http://dx.doi.org/10.1002/chin.199137164.

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33

Wang, Cheng, Youjia Li, Ting Zhang, Di Wei, Yajing Hou, and Huaizhen He. "5-Phenylcoumarin Derivatives: Design, Synthesis, and Vasodilatory Activity." Chemistry & Biodiversity 15, no. 11 (2018): e1800255. http://dx.doi.org/10.1002/cbdv.201800255.

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34

Sharapov, A. D., R. F. Fatykhov, I. A. Khalymbadzha, A. P. Potapova, P. A. Slepukhin, and O. N. Chupakhin. "Unusual nicotinoylation of 4-phenyl-5,7-dihydroxycoumarin." Chimica Techno Acta 9, no. 1 (2022): 20229105. http://dx.doi.org/10.15826/chimtech.2022.9.1.05.

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In the present work, we report a convenient synthesis of 5- and 7-substituted-4-phenyl coumarins. In contrast to previous results obtained with 4-alkylcoumarins, nicotinoylation of 5,7-dihydroxy-4-phenylcoumarin with nicotinoyl benzotriazole or nicotinoyl azide selectively provides 5-O protected ester. The combination of the nicotinoylation reaction followed by tosylation-denicotinoylation yields 5-hydroxy-7-tosyloxy-coumarin derivative, which may be useful in the synthesis of inophyllum, a tetracyclic HIV reverse transcriptase inhibitor, as well as its analogues.

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35

Prasad, M. V. S., Kadali Chaitanya, N. UdayaSri, and V. Veeraiah. "Experimental and theoretical (HOMO, LUMO, NBO analysis and NLO properties) study of 7-hydroxy-4-phenylcoumarin and 5,7-dihydroxy-4-phenylcoumarin." Journal of Molecular Structure 1047 (September 2013): 216–28. http://dx.doi.org/10.1016/j.molstruc.2013.04.066.

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36

Barek, Jiří, and Roman Hrnčíř. "Polarographic and Voltammetric Determination of 7-[4-Methyl-5-phenyl-2-(1,2,3-triazolyl)]-3-phenylcoumarin." Collection of Czechoslovak Chemical Communications 59, no. 2 (1994): 309–21. http://dx.doi.org/10.1135/cccc19940309.

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The polarographic behaviour of the optical whitening agent 7-[4-methyl-5-phenyl-2-(1,2,3-triazolyl)]-3-phenylcoumarin was studied in mixed aqueous-methanolic solutions. Conditions were found for quantitating the substance by tast polarography, differential pulse polarography, differential pulse voltammetry at a hanging mercury drop electrode, and adsorption stripping voltammetry over the concentration regions of 2 - 10, 0.1 - 10, 0.02 - 1 and 0.004 - 1 μmol l-1, respectively. The methods developed were applied to a direct determination of the substance in a technological product.

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37

Awang, Khalijah, Gomathi Chan, Marc Litaudon, Nor Hadiani Ismail, Marie-Thérèse Martin, and Françoise Gueritte. "4-Phenylcoumarins from Mesua elegans with acetylcholinesterase inhibitory activity." Bioorganic & Medicinal Chemistry 18, no. 22 (2010): 7873–77. http://dx.doi.org/10.1016/j.bmc.2010.09.044.

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38

Argotte-Ramos, Rocío, Guillermo Ramírez-Avila, María del Carmen Rodríguez-Gutiérrez, et al. "Antimalarial 4-Phenylcoumarins from the Stem Bark ofHintonia latiflora." Journal of Natural Products 69, no. 10 (2006): 1442–44. http://dx.doi.org/10.1021/np060233p.

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39

DEVI, N., and H. G. KRISHNAMURTY. "ChemInform Abstract: Conversion of 2-Methoxychalcones into 3-Phenylcoumarins." ChemInform 26, no. 17 (2010): no. http://dx.doi.org/10.1002/chin.199517180.

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40

Matos, Maria João, Saleta Vazquez-Rodriguez, Eugenio Uriarte, Lourdes Santana, and Dolores Viña. "MAO inhibitory activity modulation: 3-Phenylcoumarins versus 3-benzoylcoumarins." Bioorganic & Medicinal Chemistry Letters 21, no. 14 (2011): 4224–27. http://dx.doi.org/10.1016/j.bmcl.2011.05.074.

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41

Singh, Jasvinder, Jasamrit Kaur, Sandeep Nayyar, and Goverdhan L. Kad. "Highly Efficient and Single Step Synthesis of 4-Phenylcoumarins and 3,4-Dihydro-4-phenylcoumarins Over Montmorillonite K-10 Clay, Under Microwave Irradiation†." Journal of Chemical Research, no. 5 (1998): 280–81. http://dx.doi.org/10.1039/a708103k.

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42

Castellano, E. E., J. Zukerman-Schpector, M. de Abreu e Silva, and T. J. Nagem. "Structure of isomammeigin – a new phenylcoumarin from Guttiferae species." Acta Crystallographica Section C Crystal Structure Communications 44, no. 11 (1988): 1936–38. http://dx.doi.org/10.1107/s0108270188007267.

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43

Lee, Dian-Yan, Masanobu Matsuoka, and Masashi Sumimoto. "Mechanochemistry of Lignin. IV. Mechanochemical Reactions of Phenylcoumaran Models." Holzforschung 44, no. 6 (1990): 415–18. http://dx.doi.org/10.1515/hfsg.1990.44.6.415.

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44

DAS, K., U. C. SINHA, D. D. NARKHEDE, P. R. IYER, and R. BOHRA. "ChemInform Abstract: Structure of a 4-Phenylcoumarin Derivative (I)." ChemInform 22, no. 51 (2010): no. http://dx.doi.org/10.1002/chin.199151050.

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45

Yang, Zeguang, Liming Cao, Yan Li, Min Zhang, Fanyan Zeng, and Shuangquan Yao. "Effect of pH on hemicellulose extraction and physicochemical characteristics of solids during hydrothermal pretreatment of eucalyptus." BioResources 15, no. 3 (2020): 6627–35. http://dx.doi.org/10.15376/biores.15.3.6627-6635.

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The effects of pH on residual solids (RS), total dissolved solids (TDS), carbohydrates, and lignin in eucalyptus during hydrothermal pretreatment were studied. The balance between RS and TDS was obtained at pH 4.0 in hydrothermal pretreatment with pre-adjustment pH. The yield of hemicellulose increased, and oligosaccharides dominated. Hemicellulose had the highest dissolution rate, and cellulose and lignin had the lowest dissolution rate at pH 4.0. The crystallinity index (CrI) and structural transformation of lignin was analyzed by X-ray diffraction (XRD) and nuclear magnetic resonance spectr

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46

Richomme, Pascal, David Guilet, Cécile Morel, et al. "Four New 4-Phenylcoumarins from Calophyllum dispar. Isolation and Hemisynthesis." HETEROCYCLES 51, no. 1 (1999): 67. http://dx.doi.org/10.3987/com-98-8338.

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47

Köhler, Inga, Kristina Jenett-Siems, Frank P. Mockenhaupt, et al. "In vitro Antiplasmodial Activity of 4-Phenylcoumarins from Exostema mexicanum." Planta Medica 67, no. 1 (2001): 89–91. http://dx.doi.org/10.1055/s-2001-10630.

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48

Dang, Bach Tai, Yann Guitton, Ingrid Freuze, et al. "Dereplication of Mammea neurophylla metabolites to isolate original 4-phenylcoumarins." Phytochemistry Letters 11 (March 2015): 61–68. http://dx.doi.org/10.1016/j.phytol.2014.11.011.

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49

Langer, Vratislav, Shiming Li, and Knut Lundquist. "Chalcone epoxide intermediates in the syntheses of lignin-related phenylcoumarans." Acta Crystallographica Section C Crystal Structure Communications 62, no. 10 (2006): o625—o627. http://dx.doi.org/10.1107/s0108270106036900.

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Bose, P., and J. Banerji. "Synthesis of 4-phenylcoumarins from Dalbergia volubilis and Exostema caribaeum." Phytochemistry 30, no. 7 (1991): 2438–39. http://dx.doi.org/10.1016/0031-9422(91)83677-d.

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