Akaberi M, Danton O, Tayarani-Najaran Z, Asili J, Iranshahi M, Emami SA, Hamburger M (2019) HPLC-based activity profiling for antiprotozoal compounds in the endemic Iranian medicinal plant Helichrysum oocephalum. J Nat Prod 82:958–969. https://doi.org/10.1021/acs.jnatprod.8b01031

Article  CAS  PubMed  Google Scholar 

Altemöller M, Podlech J (2009) Total synthesis of dehydroaltenuene A. Revision of the structure and total synthesis of dihydroaltenuene B. J Nat Prod 72:1288–1290. https://doi.org/10.1021/np900265q

Article  CAS  PubMed  Google Scholar 

Ariantari NP, Frank M, Gao Y, Stuhldreier F, Kiffe-Delf A-L, Hartmann R, Höfert S-P, Janiak C, Wesselborg S, Müller WEG, Kalscheuer R, Liu Z, Proksch P (2021) Fusaristatins D-F and (7S,8R)-(−)-chlamydospordiol from Fusarium sp. BZCB-CA, an endophyte of Bothriospermum chinense. Tetrahedron 85:132065–132072. https://doi.org/10.1016/j.tet.2021.132065

Article  CAS  Google Scholar 

Asmaey MA, Abatis D, Abdel-Razek AS, Lambrinidis G, Chinou I, Fokialakis N, Tsafantakis N, Shaaban M, Aligiannis N (2021) Ochraceopyronide, a rare α-pyrone-c-lyxofuranoside from a soil-derived fungus Aspergillus ochraceopetaliformis. Molecules 26:3976–3988. https://doi.org/10.3390/molecules26133976

Article  CAS  PubMed  PubMed Central  Google Scholar 

Avula SK, Das B, Csuk R, Al-Harrasi A (2022) Naturally occurring O-heterocycles as anticancer agents. Anti Agents Med Chem 22:3208–3218. https://doi.org/10.2174/1871520621666211108091444

Article  CAS  Google Scholar 

Belousova EB, Zhuravleva OI, Yurchenko EA, Oleynikova GK, Antonov AS, Kirichuk NN, Chausova VE, Khudyakova YV, Menshov AS, Popov RS, Menchinskaya ES, Pislyagin EA, Mikhailov VV, Yurchenko AN (2023) New anti-hypoxic metabolites from co-culture of marine-derived fungi Aspergillus carneus KMM 4638 and Amphichorda sp. KMM 4639. Biomolecules 13:741–759. https://doi.org/10.3390/biom13050741

Article  CAS  PubMed  PubMed Central  Google Scholar 

Bennur T, Kumar AR, Zinjarde S, Javdekar V (2015) Nocardiopsis species: incidence, ecological roles and adaptations. Microbiol Res 174:33–47. https://doi.org/10.1016/j.micres.2015.03.010

Article  PubMed  Google Scholar 

Bhat ZS, Rather MA, Maqbool M, Lah HU, Yousuf SK, Ahmad Z (2017) α-Pyrones: small molecules with versatile structural diversity reflected in multiple pharmacological activities-an update. Biomed Pharmacother 91:265–277. https://doi.org/10.1016/j.biopha.2017.04.012

Article  CAS  PubMed  Google Scholar 

Brahmachari G, Mandal B, Mandal M, Mondal A (2019) Sopherone A and B: two new biologically relevant dibenzo-α-pyrones from Cassia sophera. Fitoterapia 136:104169–104174. https://doi.org/10.1016/j.fitote.2019.05.008

Article  CAS  PubMed  Google Scholar 

Cai J, Liu J, Chen M-J, Wang B, Luo Y-Z, Zhang Z-Y, Zhang X-L, Chen G-Y, Huang G-L, Zheng C-J (2022) One new α-pyrone and one new fatty acid derivative from mangrove-derived fungus Phomopsis sp. HYP11. Phytochem Lett 52:15–19. https://doi.org/10.1016/j.phytol.2022.08.013

Article  CAS  Google Scholar 

Cai R, Chen S, Liu Z, Tan C, Huang X, She Z (2017) A new α-pyrone from the mangrove endophytic fungus Phomopsis sp. HNY29-2B. Nat Prod Res 31:124–130. https://doi.org/10.1080/14786419.2016.1214833

Article  CAS  PubMed  Google Scholar 

Cao Yumei KQ, Feng Ju, Yun D, Deng Fang Gu, Yucheng RB, Dale G (2020) Four new 2-pyrones from Fusarium tricinctum, an endophytic fungus of Ligusticum chuanxiong. Chin J Chem 40:4328–4331. https://doi.org/10.6023/cjoc202006034

Article  CAS  Google Scholar 

Chen H-Y, Liu T-K, Yang J, Yang X-L (2019) Emerones A-C: three novel merosesquiterpenoids with unprecedented skeletons from Emericella sp. XL029. Org Biomol Chem 17:8450–8455. https://doi.org/10.1039/C9OB01788G

Article  CAS  PubMed  Google Scholar 

Chen XY, Zeng Q, Chen YC, Zhong WM, Xiang Y, Wang JF, Shi XF, Zhang WM, Zhang S, Wang FZ (2022) Chevalones H-M: six new α-pyrone meroterpenoids from the gorgonian coral-derived fungus Aspergillus hiratsukae SCSIO 7S2001. Mar Drugs 20:71–82. https://doi.org/10.3390/md20010071

Article  CAS  PubMed  PubMed Central  Google Scholar 

Chen Y, Zou G, Yang W, Zhao Y, Tan Q, Chen L, Wang J, Ma C, Kang W, She Z (2021) Metabolites with anti-inflammatory activity from the mangrove endophytic fungus Diaporthe sp. QYM12. Mar Drugs 19:56–65. https://doi.org/10.3390/md19020056

Article  CAS  PubMed  PubMed Central  Google Scholar 

Cheng MJ, Wu MD, Hsieh SY, Chen CY, Chen JJ, Kuo YH (2022) A new icetexane diterpenoid from the endophytic fungus Annulohypoxylon multiforme var. alaskense. Chem Nat Compd 58:471–473. https://doi.org/10.1007/s10600-022-03713-x

Article  CAS  Google Scholar 

Cheng M-J, Yang S, Wu M-D, Chang H-H, Kuo Y-H, Hsieh S-Y, Chen J-J, Wu H-C (2019) Isolation and structure elucidation of secondary metabolites from an endophytic fungus Annulohypoxylon ilanense. Nat Prod Commun 14. https://doi.org/10.1177/1934578X19857906

da Silva AS, Martínez-Fructuoso L, Simas RC, Leitão GG, Fragoso-Serrano M, Barros YS, de Souza DR, Pereda-Miranda R, Leitão SG (2021) Distribution of 5,6-dihydro-α-pyrones by electrospray ionization ion trap mass spectrometry in different aerial parts of Hyptis monticola. Phytochemistry 185:112706–112713. https://doi.org/10.1016/j.phytochem.2021.112706

Article  CAS  PubMed  Google Scholar 

Deletti G, Green SD, Weber C, Patterson KN, Joshi SS, Khopade TM, Coban M, Veek-Wilson J, Caulfield TR, Viswanathan R, Lane AL (2023) Unveiling an indole alkaloid diketopiperazine biosynthetic pathway that features a unique stereoisomerase and multifunctional methyltransferase. Nat Commun 14:2558–2570. https://doi.org/10.1038/s41467-023-38168-3

Article  CAS  PubMed  PubMed Central  Google Scholar 

Ding B, Wang Z, Huang X, Liu Y, Chen W, She Z (2016) Bioactive α-pyrone meroterpenoids from mangrove endophytic fungus Penicillium sp. Nat Prod Res 30:2805–2812. https://doi.org/10.1080/14786419.2016.1164702

Article  CAS  PubMed  Google Scholar 

Ding L, Ren L, Li S, Song J, Han Z, He S, Xu S (2019) Production of new antibacterial 4-hydroxy-α-pyrones by a marine fungus Aspergillus niger cultivated in solid medium. Mar Drugs 17:344–351. https://doi.org/10.3390/md17060344

Article  CAS  PubMed  PubMed Central  Google Scholar 

Dobler D, Leitner M, Moor N, Reiser O (2021) 2-Pyrone – a privileged heterocycle and widespread motif in nature. Eur J Org Chem 2021:6180–6205. https://doi.org/10.1002/ejoc.202101112

Article  CAS  Google Scholar 

Dogan Z, Ishiuchi K, Makino T, Saracoglu I (2019) Alpha-pyrone glycosides from Scutellaria salviifolia Benth. Turk J Chem 43:972–981. https://doi.org/10.3906/kim-1811-58

Article  CAS  Google Scholar 

Dong W, Gao W-B, Liu F-W, Jin Y, Chen Y, Zhang H-L, Lv Z, Guo L-N, Song B (2023) New α-pyrone and unsaturated ketone analogues from the endophytic fungus Lasiodiplodia sp. and their cytotoxic effects. Phytochem Lett 56:81–83. https://doi.org/10.1016/j.phytol.2023.06.010

Article  CAS  Google Scholar 

Du Y, Sun J, Gong Q, Wang Y, Fu P, Zhu W (2018) New α-pyridones with quorum-sensing inhibitory activity from diversity-enhanced extracts of a Streptomyces sp. derived from marine algae. J Agric Food Chem 66:1807–1812. https://doi.org/10.1021/acs.jafc.7b05330

Article  CAS  PubMed  Google Scholar 

Dutta G, Singh RK (2023) Five new records of Annulohypoxylon spp. (Hypoxylaceae) from India. New Zeal J Bot. https://doi.org/10.1080/0028825X.2023.2248933

El-Elimat T, Raja HA, Day CS, McFeeters H, McFeeters RL, Oberlies NH (2017) α-Pyrone derivatives, tetra/hexahydroxanthones, and cyclodepsipeptides from two freshwater fungi. Bioorgan Med Chem 25:795–804. https://doi.org/10.1016/j.bmc.2016.11.059

Article  CAS  Google Scholar 

Elsbaey M, Tanaka C, Miyamoto T (2022) Allantopyrone E, a rare α-pyrone metabolite from the mangrove derived fungus Aspergillus versicolor. Nat Prod Res 36:760–764. https://doi.org/10.1080/14786419.2020.1803309

Article  CAS  PubMed  Google Scholar 

Elshamy AI, Mohamed TA, Swapana N, Kasai Y, Noji M, Efferth T, Imagawa H, Hegazy MF, Umeyama A (2023) Ternifolipyrons A-J: new cytotoxic α-pyrones from Isodon ternifolius (D. Don) Kudô. RSC Adv 13:19710–19720. https://doi.org/10.1039/d3ra03146b