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Journal articles on the topic 'Furocoumarins'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Sun, Weiyi, Megan S. Rice, Min K. Park, et al. "Intake of Furocoumarins and Risk of Skin Cancer in 2 Prospective US Cohort Studies." Journal of Nutrition 150, no. 6 (2020): 1535–44. http://dx.doi.org/10.1093/jn/nxaa062.

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ABSTRACT Background In prior studies, higher citrus consumption was associated with higher risk of cutaneous malignant melanoma, squamous cell carcinoma (SCC), and basal cell carcinoma (BCC). Furocoumarins, compounds with phototoxicity and photocarcinogenicity in citrus, may be responsible for the association. Objectives The objective of the study was to investigate the association between furocoumarin intake and skin cancer risk. Methods A total of 47,453 men from the Health Professionals Follow-Up Study (HPFS) and 75,291 women from the Nurses’ Health Study (NHS) with diet data collected ever

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2

MANDERFELD, MICHELLE M., H. WILLIAM SCHAFER, P. MICHAEL DAVIDSON, and EDMUND A. ZOTTOLA. "Isolation and Identification of Antimicrobial Furocoumarins from Parsley." Journal of Food Protection 60, no. 1 (1997): 72–77. http://dx.doi.org/10.4315/0362-028x-60.1.72.

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Photoactive furocoumarins extracted from four varieties of fresh and freeze-dried parsley leaves inhibited a DNA repair-deficient Escherichia coli in a photobiological assay. Using media-modified assays, the human pathogens E. coli O157:H7 and Listeria monocytogenes, the spoilage microorganism Erwinia carotovora, and Listeria innocua were also inhibited. Pseudomonas fragi was not inhibited. Minimum concentrations of Forest Green parsley powder in agar which showed inhibition ranged from 0.12% to 8.0% depending on the microorganism. Ultraviolet light (UV) at 365 nm for 60 min used to photoactiv

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3

Vedaldi, Daniela, Sergio Caffieri, Giorgia Miolo, Francesco Dall'Acqua, and Paola Arslan. "Dark and Photohemolysis of Erythrocytes by Furocoumarins." Zeitschrift für Naturforschung C 43, no. 11-12 (1988): 888–92. http://dx.doi.org/10.1515/znc-1988-11-1215.

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Abstract It has been shown that various furocoumarins are able to cause dark hemolysis in red blood cells (RBC). However, this effect is evident only at relatively high furocoumarin concentrations (4.6 x 10-4 M) - much higher than those used in photosensitization experiments or photochemotherapeutic treatments. Among the various furocoumarins examined in this study, only psoralen (Ps) and 3-carbethoxypsoralen (3-CPs) showed strong photohemolytic effects, while the other compounds revealed little or no activity. This fact indicates that Ps and 3-CPs are able to induce selective damage to the ce

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4

Scordino, Monica, Leonardo Sabatino, Adalgisa Belligno, and Giacomo Gagliano. "Characterization of Polyphenolic Compounds in Unripe Chinotto (Citrus myrtifolia) Fruit by HPLC/PDA/ESI/MS-MS." Natural Product Communications 6, no. 12 (2011): 1934578X1100601. http://dx.doi.org/10.1177/1934578x1100601218.

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The flavonoid and furocoumarin composition was investigated of peel and pulp tissues of unripe fruits of Citrus myrtifolia Rafinesque, an ingredient of the popular soft drink “chinotto”. Compound separation and identification was made using an HPLC-PDA detector coupled to ESI/MS/MS in positive and negative mode. Eighteen compounds (3-hydroxy-3-methylglutaryl-, C- and O-glycosyl flavonoids, furocoumarins and polymethoxylated flavones) were identified and quantified. Data indicated that the overall amount of flavonoids and furocoumarins in peel was higher than in the pulp, even though their rela

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Kaiser, Isabelle, Anja Rappl, Lena S. Bolay, Annette B. Pfahlberg, Markus V. Heppt, and Olaf Gefeller. "The Impact of Dietary Intake of Furocoumarins and Furocoumarin-Rich Foods on the Risk of Cutaneous Melanoma: A Systematic Review." Nutrients 17, no. 8 (2025): 1296. https://doi.org/10.3390/nu17081296.

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Background/Objectives: Furocoumarins, chemical compounds found in many plant species, have a photosensitizing effect on the skin when applied topically and, by interacting with ultraviolet radiation (UVR), stimulate melanoma cells to proliferate. Whether dietary intake of furocoumarins acts as a melanoma risk factor has been investigated in several epidemiological studies, which are synthesized in our systematic review. Methods: The study protocol was registered with PROSPERO (registration number: CRD42023428596). We conducted an in-depth literature search in three databases coupled with forwa

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Girennavar*, Basavaraj, Narayan Bhat, Jennifer Brodbelt, Michael Pikulski, G. K. Jayaprakasha, and Bhimanagouda S. Patil. "Grapefruit-Drug Interaction: Levels of Furocoumarin in Different Varieties." HortScience 39, no. 4 (2004): 863E—864. http://dx.doi.org/10.21273/hortsci.39.4.863e.

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Grapefruit juice contain furanocoumarin derivatives which are known to interact with various drugs such as felodipine, leading to the increased bioavailability. Due to very low concentrations of furocoumarin in grapefruit juice, isolation of these compounds has been a challenge to researchers. Five grapefruit (Citrus paradisi Macf.) varieties such as `Marsh White', `Duncan', `Rio Red', `Orange Flesh', and `Mexican Red' were harvested and analyzed. Samples were extracted successively three times with ethyl acetate until all furocoumarins were extracted. The dried extract was reconstituted in me

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7

Laczkó Zöld, Eszter, Csenge Kis, Erzsébet Nagy-György, Erzsébet Domokos, Elek Ferencz, and Zoltán-István Szabó. "Fast Determination of Furocoumarins in Food Supplements Containing Heracleum sphondylium L. Using Capillary Electrophoresis." Foods 14, no. 13 (2025): 2348. https://doi.org/10.3390/foods14132348.

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Hercaleum sphondylium L., commonly known as hogweed, is a plant species that has been employed as an ingredient in food supplements aimed at enhancing reproductive organ functionality, restoring hormonal equilibrium, and producing an aphrodisiac effect. Importantly, the European Food Safety Authority (EFSA) has designated it as a “substance of possible concern for human health” when found in food and food supplements, as detailed in the EFSA compendium of botanicals. Given the potential health consequences associated with the ingestion of furocoumarin-containing plants, the primary objective o

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8

Kerekes, Diána, Attila Csorba, Beáta Gosztola, Éva Németh-Zámbori, Tivadar Kiss, and Dezső Csupor. "Furocoumarin Content of Fennel—Below the Safety Threshold." Molecules 24, no. 15 (2019): 2844. http://dx.doi.org/10.3390/molecules24152844.

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Furocoumarins are known for their phototoxic and potential carcinogenic effects. These types of compounds have previously been reported from fennel (Foeniculum vulgare Mill.), a widely used medicinal plant and spice; however, no reliable quantitative data are available on the occurrence of these compounds in fennel fruits. For the first time, we report a comprehensive analysis of fennel fruit samples of different origins, representing a wide range of accessions for their furocoumarin content. Psoralene, 5-methoxypsoralene (bergapten), and imperatorin contents of 33 fennel samples were analyzed

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9

Woźniak, Łukasz, Marzena Połaska, Krystian Marszałek, and Sylwia Skąpska. "Photosensitizing Furocoumarins: Content in Plant Matrices and Kinetics of Supercritical Carbon Dioxide Extraction." Molecules 25, no. 17 (2020): 3805. http://dx.doi.org/10.3390/molecules25173805.

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Furocoumarins are a group of plant phytoalexins exhibiting various bioactive properties; the most important of which are photosensitization and alteration of P450 cytochrome activity. Supercritical fluid extraction with carbon dioxide has been proposed as a green alternative for an organic solvent extraction of the furocoumarins. Four plant matrices rich in furocoumarins were extracted with CO2 at a temperature of 80 °C and pressure of 40 MPa, as these conditions were characterized by the highest solubility of furocoumarins. The extracts collected were analyzed using the HPLC method and the re

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10

Niu, Chao, Deng Zang, and Haji Akber Aisa. "Study of Novel Furocoumarin Derivatives on Anti-Vitiligo Activity, Molecular Docking and Mechanism of Action." International Journal of Molecular Sciences 23, no. 14 (2022): 7959. http://dx.doi.org/10.3390/ijms23147959.

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Vitiligo is a common chronic dermatological abnormality that afflicts tens of millions of people. Furocoumarins isolated from Uygur traditional medicinal material Psoralen corylifolia L. have been proven to be highly effective for the treatment of vitiligo. Although many furocoumarin derivatives with anti-vitiligo activity have been synthesized, their targets with respect to the disease are still ambiguous. Fortunately, the JAKs were identified as potential targets for the disease and its inhibitors have been proved to be effective in the treatment of vitiligo in many clinical trials. Thus, si

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11

Yasheshwar, Gaurav, Rustam Ekkbal, Prem Gupta, and Rajendra Gyawali. "System Pharmacological Approach to Investigate and Validate Multitargeted and Therapeutic Effect of Furocoumarins of Apium graveolens L. for Treatment of Kidney Disease." Advances in Pharmacological and Pharmaceutical Sciences 2024 (April 17, 2024): 1–13. http://dx.doi.org/10.1155/2024/5543561.

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Background. System pharmacological approaches play important roles in drug discovery and development and in biomolecular exploration to investigate the multitarget therapeutic effects of phytochemicals for the treatment of acute and chronic ailments. Objectives. The aim of the study was to apply a system pharmacological approach to investigate the multitarget therapeutic effects of furocoumarins of Apium graveolens L. for the treatment of kidney disease. Methods. Several furocoumarins of Apium graveolens were screened from online databases. Network biology and poly-pharmacology analyses were p

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12

Knox, C. N., E. J. Land, and T. G. Truscott. "SINGLET OXYGEN GENERATION BY FUROCOUMARIN TRIPLET STATES—I. LINEAR FUROCOUMARINS (PSORALENS)." Photochemistry and Photobiology 43, no. 4 (1986): 359–63. http://dx.doi.org/10.1111/j.1751-1097.1986.tb05616.x.

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13

Diar, Arif, Jawad Enas, Al-Khateeb Ekbal, and Al-Shamma Ali. "Qualitative and Quantitative investigations of Furocoumarin derivatives (Psoralens) of Haplophyllum tuberculatum (Rutaceae)." Al Mustansiriyah Journal of Pharmaceutical Sciences 2, no. 2 (2005): 24–36. http://dx.doi.org/10.32947/ajps.v2i2.431.

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Haplophyllum tuberculatum is an indigenous plant widely distributed in Iraq.Phytochemical investigation of this plant indicating that the plant is rich in alkaloids, fixed and volatile oils; but non about psoralen contents. Preliminary investigation indicated that this plant has furocoumarins in acceptable amount.Based on these results together with literature survey it was deemed desirable to carry out this phytochemical work with emphasis on isolation and characterization of the furocoumarins compounds.Detailed preliminary investigation of the furocoumarins content of the dried, ground whole

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14

Mishyna, Maryia, Nikolai Laman, Valery Prokhorov, and Yoshiharu Fujii. "Angelicin as the Principal Allelochemical in Heracleum sosnowskyi Fruit." Natural Product Communications 10, no. 5 (2015): 1934578X1501000. http://dx.doi.org/10.1177/1934578x1501000517.

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Distribution patterns of furocoumarins in fruits of the invasive species Heracleum sosnowskyi Manden. (Sosnowskyi's hogweed) during a cold stratification period were investigated. Angelicin, bergapten, methoxalen and imperatorin were mainly localized in the fruit coats and their content varied depending on the fruit source. Cold stratification treatment (90 days, 2–3°C) reduced the content of furocoumarins in the fruit coats by more than two times, compared with those before stratification. The specific activity of the detected furocoumarins and total activity of crude extracts were evaluated

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15

Alley, Amanda. "Parsnips and furocoumarins." Food and Chemical Toxicology 25, no. 8 (1987): 634–35. http://dx.doi.org/10.1016/0278-6915(87)90033-0.

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16

Thakur, Abhinay, Rohit Sharma, Vivek Sheel Jaswal, Eugenie Nepovimova, Ashun Chaudhary, and Kamil Kuca. "Psoralen: A Biologically Important Coumarin with Emerging Applications." Mini-Reviews in Medicinal Chemistry 20, no. 18 (2020): 1838–45. http://dx.doi.org/10.2174/1389557520666200429101053.

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Coumarin belongs to a class of lactones that are fundamentally comprised of a benzene ring fused to an α-pyrone ring; these lactones are known as benzopyrones. Similarly, coumarin has a conjugated electron-rich framework and good charge-transport properties. Plants produce coumarin as a chemical response to protect themselves from predation. Coumarins are used in different products, such as cosmetics, additives, perfumes, aroma enhancers in various tobaccos and some alcoholic drinks, and they play a relevant role in natural products and in organic and medicinal chemistry. In addition, as candi

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17

Keshk, Eman M., Emad M. El-Telbani, and H. Abdel-Rahman. "Synthesis of Some New Furocoumarins and their Usage in Peptide Synthesis." Zeitschrift für Naturforschung B 58, no. 12 (2003): 1237–41. http://dx.doi.org/10.1515/znb-2003-1214.

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1,5-Benzodiazepin-2-ones (3a - d) were obtained fromω-carbethoxy visnaginone or ω-carbethoxy khellinone and substituted 1,2-phenylenediamines. Reactions of active nitriles such as malononitrile and ethyl cyanoacetate with substituted 6-dimethylaminomethylene furocoumarins (4a,b) are described. Additionally, reaction of substituted 6-dimethylaminomethylene furocoumarins with different amino acids gave furochromen-6-ylidenemethyl amino acids (7 - 9). Compound 7 was coupled with glycine ethyl ester to form amino acetic acid ethyl ester (10).

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18

Abyshev, A. Z., V. A. Gindin, Yu B. Kerimov, É. S. Ismailov, É. M. Agaev, and N. Ya Isaev. "Furocoumarins of Ruta graveolens." Chemistry of Natural Compounds 28, no. 3-4 (1992): 382–83. http://dx.doi.org/10.1007/bf00630266.

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19

Wagstaff, D. Jesse. "Dietary exposure to furocoumarins." Regulatory Toxicology and Pharmacology 14, no. 3 (1991): 261–72. http://dx.doi.org/10.1016/0273-2300(91)90029-u.

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20

Eshbakova, K. A., A. I. Saidkhodzhaev, K. H. C. Baser, H. Duman, A. D. Vdovin, and N. D. Abdullaev. "Furocoumarins from Prangos ferulacea." Chemistry of Natural Compounds 42, no. 1 (2006): 102–3. http://dx.doi.org/10.1007/s10600-006-0047-0.

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21

Wang, Xuequan, Changhui Yang, Dan Yue, Mingde Xu, Suyue Duan, and Xianfu Shen. "Iodine-Catalyzed Cascade Annulation of 4-Hydroxycoumarins with Aurones: Access to Spirocyclic Benzofuran–Furocoumarins." Molecules 29, no. 8 (2024): 1701. http://dx.doi.org/10.3390/molecules29081701.

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An attractive approach for the preparation of spirocyclic benzofuran–furocoumarins has been developed through iodine-catalyzed cascade annulation of 4-hydroxycoumarins with aurones. The reaction involves Michael addition, iodination, and intramolecular nucleophilic substitution in a one-step process, and offers an efficient method for easy access to a series of valuable spirocyclic benzofuran–furocoumarins in good yields (up to 99%) with excellent stereoselectivity. Moreover, this unprecedented protocol provides several advantages, including readily available materials, an environmentally beni

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22

Govindarajan, Raghavan, Dhirendra Pratap Singh, and Ajay Kumar Singh Rawat. "Validated Reversed-Phase Column High-Performance Liquid Chromatographic Method for Separation and Quantification of Polyphenolics and Furocoumarins in Herbal Drugs." Journal of AOAC INTERNATIONAL 91, no. 5 (2008): 1020–24. http://dx.doi.org/10.1093/jaoac/91.5.1020.

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Abstract A rapid column high-performance liquid chromatographic-photodiode array method has been developed for the separation and identification of secondary metabolites, especially different types of phenols and furocoumarins, in a 35 min chromatographic run. The method has been optimized and validated for selectivity, precision, recovery, and robustness with the aim of application for standardization of selected herbal drugs. Almost all of the tested compounds had linearity of &gt;98, with relative standard deviation &lt;10 in terms of variation of retention time. Interday and intrad

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23

Simpkins, Sara, Basavaraj Girennavar, G. K. Jayaprakasha, and Bhimanagouda S. Patil. "(178) Ultraviolet Radiation Influences Grapefruit Juice Bioactive Furocoumarins." HortScience 41, no. 4 (2006): 1083C—1083. http://dx.doi.org/10.21273/hortsci.41.4.1083c.

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Irradiation of fruit and vegetables can potentially be used by industry as a quarantine method to contain insect pests, microorganisms, and to extend shelf life. Gamma, electron beam, and ultraviolet radiation are the most frequently used radiation techniques. These radiation treatments have an effect on bioactive compounds. Grapefruit juice contains bioactive compounds such as limonoids, flavonoids, and furocoumarins. Bioactive furocoumarins in grapefruit juice have been found to increase the bioavailability of many drugs. Bergamottin, dihydroxybergamottin, and paradisin A are major furocouma

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Pham, Quyen T., Phong Q. Le, Ha V. Dang, et al. "Iodine-mediated formal [3 + 2] annulation for synthesis of furocoumarin from oxime esters." RSC Advances 10, no. 72 (2020): 44332–38. http://dx.doi.org/10.1039/d0ra07566c.

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25

To, Tuong A., Yen H. Vo, Anh T. Nguyen, Anh N. Q. Phan, Thanh Truong, and Nam T. S. Phan. "A new route to substituted furocoumarins via copper-catalyzed cyclization between 4-hydroxycoumarins and ketoximes." Organic & Biomolecular Chemistry 16, no. 28 (2018): 5086–89. http://dx.doi.org/10.1039/c8ob01064a.

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26

Malakhov, Mikhail V., Maxim A. Dubinnyi, Natalia V. Vlasova, Victor G. Zgoda, Roman G. Efremov, and Ivan A. Boldyrev. "End-group differentiating ozonolysis of furocoumarins." RSC Adv. 4, no. 106 (2014): 61277–80. http://dx.doi.org/10.1039/c4ra08106d.

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27

Buglak, Andrey A., and Alexei I. Kononov. "Triplet state generation by furocoumarins revisited: a combined QSPR/DFT approach." New Journal of Chemistry 42, no. 17 (2018): 14424–32. http://dx.doi.org/10.1039/c8nj03002b.

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28

Adebajo, Adeleke C., and Johannes Reisch. "Minor furocoumarins of Murraya koenigii." Fitoterapia 71, no. 3 (2000): 334–37. http://dx.doi.org/10.1016/s0367-326x(99)00163-x.

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29

Andreoni, A., R. Cubeddu, F. Dall'Acqua, C. N. Knox, and T. G. Truscott. "Fluorescence lifetimes of furocoumarins. Psoralens." Chemical Physics Letters 114, no. 3 (1985): 329–33. http://dx.doi.org/10.1016/0009-2614(85)80925-8.

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Andreoni, A., R. Cubeddu, C. N. Knox, and T. G. Truscott. "FLUORESCENCE LIFETIMES OF ANGULAR FUROCOUMARINS." Photochemistry and Photobiology 46, no. 2 (1987): 169–73. http://dx.doi.org/10.1111/j.1751-1097.1987.tb04753.x.

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31

Cadet, Jean, Paul Vigny, and W. Robert Midden. "Photoreactions of furocoumarins with biomolecules." Journal of Photochemistry and Photobiology B: Biology 6, no. 1-2 (1990): 197–206. http://dx.doi.org/10.1016/1011-1344(90)85090-j.

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32

Zogg, G., Sz Nyiredy, and O. Sticher. "OPLC Analysis of Closely Related Furocoumarins." Planta Medica 52, no. 06 (1986): 533–34. http://dx.doi.org/10.1055/s-2007-969328.

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33

Schrenk, D., C. Lohr, and N. Raquet. "Genotoxic furocoumarins in food and phytomedicines." Toxicology Letters 205 (August 2011): S6. http://dx.doi.org/10.1016/j.toxlet.2011.05.025.

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34

Eisenbrand, Gerhard. "Toxicological Assessment of Furocoumarins in Foodstuffs." Molecular Nutrition & Food Research 51, no. 3 (2007): 367–73. http://dx.doi.org/10.1002/mnfr.200600270.

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35

Agapkin, A. M. "Components of natural food adversely affecting the human body." Tovaroved prodovolstvennykh tovarov (Commodity specialist of food products), no. 4 (March 25, 2021): 305–10. http://dx.doi.org/10.33920/igt-01-2104-09.

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A brief description of the main natural toxins contained in some products of plant and animal origin which may pose a danger to our health (glycosides, ciguatoxin, tetrodotoxin, phytotoxins, furocoumarins, mycotoxins and allergens) is presented.

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Girennavar, Basavaraj, Sara Simpkins, G. K. Jayaprakasha, and Bhimanagouda Patil. "(197) E-beam Irradiation Influences Grapefruit–Drug Interaction-related Furocoumarins." HortScience 41, no. 4 (2006): 1050E—1051. http://dx.doi.org/10.21273/hortsci.41.4.1050e.

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Food and drug interaction has been under discussionm and specifically grapefruit and drug interaction has been under investigation, in recent years. Irradiation of food has multiple benefits in food preservation through several processes, such as sprout inhibition, disinfection, decontamination, delayed maturation, and sterilization. When ionizing radiation is passed through food, it may affect the functional components, including organoleptic characteristics. In addition to naringin, dihydroxybergamottin, paradisin A, and bergamottin, as well as their isomers, are considered putative bioactiv

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Laman, N. A., and A. W. Usik. "Localization and composition of coumarins in roots of Heracleum sosnowskyi Manden." Proceedings of the National Academy of Sciences of Belarus, Biological Series 65, no. 1 (2020): 71–75. http://dx.doi.org/10.29235/1029-8940-2020-65-1-71-75.

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There are research results of the localization of coumarins in roots. Coumarins accumulated in the form of a white secret (latex) in the secretory structures of roots. Chromatographic separation of latex showed four furocoumarins in the roots of Heracleum. These are angelicin, bergapten, xanthotoxin and psoralen.

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KARASAWA, Den''ei, Hisao SHIBATA, Nobuyuki HORIUCHI, Yukiho ANDOU, and Miyoji SIMADA. "Photoactive furocoumarins in diseased celery (Apium graveolence)." Agricultural and Biological Chemistry 54, no. 8 (1990): 2141–42. http://dx.doi.org/10.1271/bbb1961.54.2141.

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Karasawa, Den’ei, Hisao Shibata, Nobuyuki Horiuchi, Yukiho Andou, and Miyoji Simada. "Photoactive Furocoumarins in Diseased Celery (Apium graveolence)." Agricultural and Biological Chemistry 54, no. 8 (1990): 2141–42. http://dx.doi.org/10.1080/00021369.1990.10870237.

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40

Ceska, O., S. K. Chaudhary, P. J. Warrington, and M. J. Ashwood-Smith. "Photoactive furocoumarins in fruits of some umbellifers." Phytochemistry 26, no. 1 (1986): 165–69. http://dx.doi.org/10.1016/s0031-9422(00)81503-4.

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Ceska, O., S. K. Chaudhary, P. J. Warrington, and M. J. Ashwood-Smith. "Furocoumarins in the cultivated carrot, Daucus carota." Phytochemistry 25, no. 1 (1985): 81–83. http://dx.doi.org/10.1016/s0031-9422(00)94506-0.

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42

Kuster, Ricardo M., Robson R. Bernardo, Antonio J. R. Da Silva, José P. Parente, and Walter B. Mors. "Furocoumarins from the rhizomes of Dorstenia brasiliensis." Phytochemistry 36, no. 1 (1994): 221–23. http://dx.doi.org/10.1016/s0031-9422(00)97041-9.

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43

Raquet, Nicole, Christiane Lohr, and Dieter Schrenk. "Relative photomutagenic potency of furocoumarins and limettin." Toxicology Letters 189 (September 2009): S237—S238. http://dx.doi.org/10.1016/j.toxlet.2009.06.447.

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44

Le Quesne, Philip W., Muu N. Do, Mohammad Ikram, M. Israrkkhan, and I. Mir. "Furocoumarins from the Fruit of Ammi visnaga." Journal of Natural Products 48, no. 3 (1985): 496. http://dx.doi.org/10.1021/np50039a030.

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45

Wawrzynowicz, T., M. Waksmundzka-Hajnos, and M. L. Bieganowska. "Chromatographic investigations of furocoumarins fromHeracleum genus fruits." Chromatographia 28, no. 3-4 (1989): 161–66. http://dx.doi.org/10.1007/bf02319640.

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46

Bocharnikova, E. N., O. N. Tchaikovskaya, V. Ya Artyukhov, and N. G. Dmitrieva. "Nature of Electronically Excited States of Furocoumarins." Russian Physics Journal 61, no. 11 (2019): 2033–41. http://dx.doi.org/10.1007/s11182-019-01634-x.

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47

Zoubir, B., B. Refouvelet, A. Xicluna, F. Aubin, and P. Humbert. "Dihydrothienopsoralens: New furocoumarins as potential photoreacting agents." Journal of Heterocyclic Chemistry 36, no. 2 (1999): 509–13. http://dx.doi.org/10.1002/jhet.5570360230.

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48

Manzini, Paolo, Paolo Rodighiero, Adriana Chilin, and Adriano Guiotto. "1H NMR spectra of variously annulated furocoumarins." Magnetic Resonance in Chemistry 23, no. 10 (1985): 875–76. http://dx.doi.org/10.1002/mrc.1260231017.

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Girard, Corinne, Delphine Roux, Frédéric Muyard, et al. "3-Substituted Coumarins from the Twigs of Rhadinothamnus rudis ssp. amblycarpus." Zeitschrift für Naturforschung B 60, no. 5 (2005): 561–64. http://dx.doi.org/10.1515/znb-2005-0514.

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Abstract:

The twigs of Rhadinothamnus rudis ssp. amblycarpus (Phebalium rude ssp. amblycarpum) yielded three new 3-substituted coumarins: rudicoumarin A-C (1- 3). Their structures were established on the basis of their NMR and mass spectral data. In addition, ten other known compounds were also isolated, including phebaclavin I, schinicoumarin, seselin, and seven linear furocoumarins.

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Skarga, Vladislav V., Anton A. Matrosov, Artemiy I. Nichugovskiy, et al. "pH-Dependent Photoinduced Interconversion of Furocoumaric and Furocoumarinic Acids." Molecules 26, no. 9 (2021): 2800. http://dx.doi.org/10.3390/molecules26092800.

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Abstract:

Photo-controlled or photo-regulated molecules, especially biologically active and operating in physiological conditions, are in steady demand. Herein, furocoumaric and furocoumarinic acids being (Z/E)-isomers relative to each other were obtained in two stages starting from psoralen: the alkaline solvolysis of psoralen led to furocoumaric acid, which was further Z → E photoisomerized (365 nm) to furocoumarinic acid. The kinetics of Z → E photoisomerization was monitored by HPLC and UV-vis spectrophotometry. Photophysical characteristics in the aqueous phase for both acids, as well as the revers

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