Advances in Isolation and Synthesis of Xanthone Derivatives

Chinese Herbal Medicines

Volumn 4, Issue 2, 2012, Pages 87-102

  YANG, Chun hui ^a   MA, Li ^b   WEI, Zhen ping ^a   HAN, Feng ^b   GAO, Jing ^b  

^a TIANJIN UNIVERSITY   (China)

^b TIANJIN INSTITUTE OF PHARMACEUTICAL RESEARCH   (China)

Author keywords

derivative; HPLC; isolation; synthesis; xanthones

Indexed keywords

EID: 85097372503     PISSN: 16746384     EISSN: None     Source Type: Journal    
DOI: 10.3969/j.issn.1674-6384.2012.02.003     Document Type: Review

References (103)

1. Ahmed, AL, Christine, K, Gabriele, MK, Anthony, DW, Two new xanthone derivatives from the algicolous marine fungus Wardomyces anomalus. J Nat Prod 66 (2003), 706–708.
2. Ali, M, Arfan, M, Ahmad, M, Singh, K, Anis, I, Ahmad, H, Choudhary, MI, Shah, MR, Anti-inflammatory xanthones from the twigs of Hypericum oblongifolium Wall. Planta Med 77:18 (2011), 2013–2018.
3. Ayers, S, Graf, TN, Adcock, AF, Kroll, DJ, Shen, Q, Swanson, SM, Matthew, S, Blanco, EJC, Wani, MC, Darveaux, BA, Pearce, CJ, Oberlies, NH, Cytotoxic xanthone-anthraquinone heterodimers from an unidentified fungus of the order Hypocreales (MSX 17022). J Antibiot 65 (2012), 3–8.
4. Barbero, N, Sanmartin, R, Dominguez, E, An efficient copper-catalytic system for performing intramolecular O-arylation reactions in aqueous media. New synthesis of xanthones. Green Chem 11 (2009), 830–836.
5. Boonnak, N, Karalai, C, Chantrapromma, S, Ponglimanont, C, Kanjana-Opas, A, Chantrapromma, K, Kato, S, Chromene and prenylated xanthones from the roots of Cratoxylum formosum ssp. pruniflorum. Chem Pharm Bull 58:3 (2010), 386–389.
6. Boonnak, N, Khamthip, A, Karalai, C, Chantrapromma, S, Ponglimanont, C, Kanjana-Opas, A, Tewtrakul, S, Chantrapromma, K, Fun, HK, Kato, S, Nitric oxide inhibitory activity of xanthones from the green fruits of Cratoxylum formosum ssp. pruniflorum. Aust J Chem 11 (2010), 1550–1556.
7. Cao, S, Brodie, PJ, Miller, JS, Randrianaivo, R, Ratovoson, F, Birkinshaw, C, Andriantsiferana, R, Rasamison, VE, Kingston, DG, Antiproliferative xanthones of Terminalia calcicola from the Madagascar rain forest. J Nat Prod 4 (2007), 679–681.
8. Castanheiro, RAP, Pinto, MMM, Cravo, SMM, Pinto, DCGA, Silva, AMS, Improved methodologies for synthesis of prenylated xanthones by microwave irradiation and combination of heterogeneous catalysis (K10 clay) with microwave irradiation. Tetrahedron 65 (2009), 3848–3857.
9. Chen, Y, Fan, H, Yang, GZ, Jiang, Y, Zhong, FF, He, HW, Two unusual xanthones from the bark of Garcinia xanthochymus. HeIv Chim Acta 94:4 (2011), 662–668.
10. Chen, Y, Zhong, F, He, H, Hu, Y, Zhu, D, Yang, G, Structure elucidation and NMR spectral assignment of five new xanthones from the bark of Garcinia xanthochymus. Magn Reson Chem 12 (2008), 1180–1184.
11. Dai, HF, Zeng, YB, Xiao, Q, Han, Z, Zhao, YX, Mei, WL, Caloxanthones O and P: Two new prenylated xanthones from Calophyllum inophyllum. Molecules 2 (2010), 606–612.
12. 13C NMR assignments for two new xanthones from the endophytic fungus Xylaria sp. FRR 5657. Magn Reson Chem 10 (2006), 966–968.
13. Du, XG, Wang, W, Zhang, S, Pu, XP, Zhang, QY, Ye, M, Zhao, YY, Wang, BR, Khan, IA, Guo, DA, Neuroprotective xanthone glycosides from Swertia punicea. J Nat Prod 8 (2010), 1422–1426.
14. Duan, YH, Dai, Y, Wang, GH, Chen, HF, Gao, H, Chen, JB, Yao, XS, Zhang, XK, Xanthone and benzophenone glycosides from the stems of Cratoxylum formosum ssp pruniflorum. Chem Pharm Bull 59:2 (2011), 231–234.
15. Ee, GCL, Foo, CH, Jong, VYM, Ismail, NH, Sukari, MA, Taufiq Yap, YH, Awang, K, A new xanthone from Garcinia nitida. Nat Prod Res 26:9 (2011), 830–835.
16. Ee, GCL, Teo, SH, Rahmani, M, Lim, CK, Lim, YM, Go, R, Artomandin, a new xanthone from Artocarpus kemando (Moraceae). Nat Prod Res 25:10 (2011), 995–1003.
17. El-Shanawany, MA, Mohamed, GA, Nafady, AM, Ibrahim, SR, Radwan, MM, Ross, SA, A new xanthone from the roots of Centaurium spicatum. Tochem Lett 4:2 (2011), 126–128.
18. Fiqueroa, M, Gonzalez, MC, Rodriquez, SR, Sosa, PA, Gonzalez, AM, Cerda, GR, Mata, R, Calmodulin inhibitors from the fungus Emericella sp. Bioorg Med Chem 6 (2009), 2167–2174.
19. Fu, J, Zhang, DM, Chen, RY, Three new xanthones from the roots of Polygala japonica Houtt. J Asian Nat Prod Res 8 (2006), 41–46.
20. Gao, L, Zhou, YF, Yan, HY, Huang, FY, Wen, RR, Li, GP, Two new xanthone glucosides from Swertia mussotii Franch. Chem Inform 42:47 (2011), 1897–1902.
21. Gao, XM, Yu, T, Lai, FS, Zhou, Y, Liu, X, Qiao, CF, Song, JZ, Chen, SL, Luo, KQ, Xu, HX, Identification and evaluation of apoptotic compounds from Garcinia paucinervis. Bioorg Med Chem 14 (2010), 4957–4964.
22. Ha, LD, Hansen, PE, Vang, O, Duus, F, Pham, HD, Nguyen, LH, Cytotoxic geranylated xanthones and O-alkylated derivatives of alpha-mangostin. Chem Pharm Bull 8 (2009), 830–834.
23. Han, QB, Yu, T, Lai, F, Quick identification of apoptosis inducer from Isodon eriocalyx by a drug discovery platform composed of analytical high-speed counter-current chromatography and the fluorescence-based caspase-3 biosensor detection. Talanta 82 (2010), 1521–1527.
24. Hashida, W, Tanaka, N, Takaishi, Y, Prenylated xanthones from Hypericum ascyron. Nat Med 61 (2007), 371–374.
25. Hashim, N, Rahman, M, Sukari, MA, Ali, AM, Alitheen, NB, Go, R, Ismail, HB, Two new xanthones from Artocarpus obtusus. J Asian Nat Prod Res 2 (2010), 106–112.
26. Hashim, NM, Rahmani, M, Ee, GCL, Sukari, MA, Yahayu, M, Oktima, W, Ali, AM, Go, R, Antiproliferative activity of xanthones isolated from Artocarpus obtusus. J Biomed Biotechnol 2012 (2012), 1–9.
27. Hua, Y, Chen, CX, Liu, YQ, Chen, SK, Zhou, J, Three new xanthones from Polygala crotalarioides. Chin Chem Lett 6 (2006), 773–775.
28. Huang, SX, Feng, C, Zhou, Y, Xu, G, Han, QB, Qiao, CF, Chang, DC, Luo, KQ, Xu, HX, Bioassay-guided isolation of xanthones and polycyclic prenylated acylphloroglucinols from Garcinia oblongifolia. J Nat Prod 1 (2009), 130–135.
29. Hwang, JH, Hong, SS, Han, XH, Hwang, JS, Lee, D, Lee, H, Yun, YP, Kim, Y, Ro, JS, Hwang, BY, Prenylated xanthones from the root bark of Cudrania tricuspidata. J Nat Prod 7 (2007), 1207–1209.
30. Jabit, ML, Khalid, R, Abas, F, Shaari, K, Hui, LS, Stanslas, J, Lajis, NH, Cytotoxic xanthones from Garcinia penangiana Pierre. Z Naturforsch C 62 (2007), 786–792.
31. Jin, SL, Wang, NL, Zhang, X, Dai, Y, Yao, XS, Two new xanthones from the stems of Cratoxylum cochinchinense. J Asian Nat Prod Res 4 (2009), 322–325.
32. Johnson, MM, Naidoo, JM, Fernandes, MA, Mmutlane, EM, van Otterlo, WA, de Koning, CB, CAN-mediated oxidations for the synthesis of xanthons and related products. J Org Chem 24 (2010), 8701–8704.
33. Kamdem Waffo, AF, Mulholland, D, Wansi, JD, Mbaze, LM, Powo, R, Mpondo, TN, Fomum, ZT, König, W, Nkengfack, AE, Afzeliixanthones A and B, two new prenylated xanthones from Garcinia afzelii Engl. (Guttiferae). Chem Pharm Bull 54 (2006), 448–451.
34. Kanda, P, Nongporn, HT, Ampai, P, Cowaxanthone F, a new tetraoxygenated xanthone, and other anti-inflammatory and antioxidant compounds from Garcinia cowa. Can J Chem 87 (2009), 1636–1640.
35. Kanda, P, Wipapan, P, Souwalak, P, Walter, CT, Tetraoxygenated xanthones from the fruits of Garcinia cowa. Phytochemistry 67 (2006), 999–1004.
36. Kang, WY, Li, CF, Song, YL, Antioxidant xanthones from Securidaca inappendiculata. Chin J Chin Mater Med 16 (2008), 1982–1985.
37. Kang, WY, Xu, XJ, Structure of a new xanthones from Securidaca inappendiculata. Chem Nat Compd 44 (2008), 432–434.
38. Kraus, GA, Mengwasser, J, Quinones as key intermediates in natural products synthesis. Syntheses of bioactive xanthones from Hypericum perforatum. Molecules 14 (2009), 2857–2861.
39. Laphookhieo, S, Maneerat, W, Buatip, T, Syers, JK, New xanthones from Cratoxylum cochinchinense. Can J Chem 86 (2008), 757–760.
40. Lenta, BN, Kamdem, LM, Ngouela, S, Tantangmo, F, Devkota, KP, Boyom, FF, Rosenthal, PJ, Tsamo, E, Antiplasmodial constituents from the fruit pericarp of Pentadesma butyracea. Planta Med 77:4 (2011), 377–379.
41. Li, CY, Zhang, J, Shao, CG, Ding, WJ, She, JG, Lin, YC, A new xanthone derivative from the co-culture broth of two marine fungi (strain No. E33 and K38). Chem Nat Compd 47:3 (2011), 382–384.
42. Li, JJ, Lu, LM, Su, WK, A new strategy for the synthesis of benzoxanthenes catalyzed by proline triflate in water. Tetrahedron Lett 51 (2010), 2434–2437.
43. Li, Y, Li, ZL, Liu, MS, Li, DY, Zhang, H, Hua, HM, Xanthones from leaves of Calophyllum inophyllum Linn. Acta Pharm Sin 2 (2009), 154–157.
44. Liang, B, Li, HR, Xu, LZ, Yang, SL, Xanthones from the roots of Cudrania fruticosa Wight. J Asian Nat Prod Res 9 (2007), 393–397.
45. Lin, KW, Huang, AM, Tu, HY, Lee, LY, Wu, CC, Hour, TC, Yang, SC, Pu, YS, Lin, CN, Xanthine oxidase inhibitory triterpenoid and phloroglucinol from Guttiferaceous Plants inhibit growth and induced apoptosis in human NTUB1 cells through a ROSdependent mechanism. J Agric Food Chem 59:1 (2011), 407–414.
46. Liu, Y, Huang, LP, Xie, FC, Base-promoted one-pot tandem reaction of 3-(1-alkynyl)chromones under microwave irradiation to functionalized amino-substituted xanthones. J Org Chem 18 (2010), 6304–6307.
47. Mah, SH, Ee, GCL, Rahmani, M, Taufiq-Yap, YH, Go, R, Teh, SS, A new pyranoxanthone from the stem bark of Calophyllum inophyllum. Lett Org Chem 8:6 (2011), 447–449.
48. Mah, SH, Ee, GCL, Rahmani, M, Taufiq-Yap, YH, Sukari, MA, Teh, SS, A new pyranoxanthone from Calophyllum soulattri. Molecules 16:5 (2011), 3999–4004.
49. Marion, JJ, Rakuambo, NC, Hussein, AA, Novel xanthones from Securidaca longepedunculata with activity against erectile dysfunction. J Ethnopharm 119 (2008), 599–603.
50. Marti, G, Eparvier, V, Litaudon, M, Grellier, P, Guéritte, F, A new xanthone from the bark extract of Rheedia acuminate and antiplasmodial activity of its major compounds. Molecules 15 (2010), 7106–7114.
51. Masullo, M, Bassarello, C, Bifulco, G, Piacente, S, Polyisoprenylated benzophenone derivatives from the fruits of Garcinia cambogia and their absolute configuration by quantum chemical circular dichroism calculations. J Nat Prod 73 (2010), 1775–1779.
52. Masullo, M, Bassarello, C, Suzuki, H, Pizza, C, Piacente, S, Polyisoprenylated benzophenones and an unusual polyisoprenylated tetracyclic xanthone from the fruits of Garcinia cambogia. J Agric Food Chem 13 (2008), 5205–5210.
53. Mkounga, P, Fomum, ZT, Meyer, M, Bodo, B, Nkengfack, AE, Globulixanthone F, a new polyoxygenated xanthone with an isoprenoid group and two antimicrobial biflavonoids from the stem bark of Symphonia globulifera. Nat Prod Commun 6 (2009), 803–808.
54. Mo, LP, Chen, HL, One-pot, three-component condensation of aldehydes, 2-naphthol and 1,3-dicarbonyl compounds. J Chin Chem Soc 57 (2010), 157–161.
55. Mross, G, Reinke, H, Fischer, C, Langer, P, Synthesis of functionalized 2-alkoxybenzoates, 2-aryloxybenzoates and xanthones based on formal [3+3] cyclocondensations of 3-alkoxy- and 3-aryloxy-1-silyloxy-1,3-butadienes with 3-silyloxy-2-en-1-ones. Tetrahedron 65 (2009), 3910–3917.
56. Nagarajan, S, Arjun, P, Raaman, N, Das, TM, Regioselective facile one-pot Friedländer synthesis of sugar-based heterocyclic biomolecules. Carbohydr Res 345 (2010), 1988–1997.
57. Nasir, NM, Rahmani, M, Shaari, K, Ee, GCL, Go, R, Kassim, NK, Muhamad, SNK, Iskandar, MJ, Two new xanthones from Calophyllum nodusum (Guttiferae). Molecules 16:11 (2011), 8973–8980.
58. Ngoupayo, J, Tabopda, TK, Ali, MS, Antimicrobial and immunomodulatory properties of prenylated xanthones from twigs of Garcinia staudtii. Bioorg Med Chem 17:15 (2009), 5688–5695.
59. Nguyen, HD, Trinh, BTD, Nguyen, NK, Dang, SV, Pham, HD, Nguyen, LHD, Xanthones from the twigs of Cratoxylum cochinchinense. Phytochemistry 4:1 (2011), 48–51.
60. Nuangnaowarat, W, Phupong, W, Intereya, K, Isaka, M, New prenylated xanthone from the branch of Garcinia costata. Heterocycles 81 (2010), 2377–2384.
61. Nuangnaowarat, W, Phupong, W, Isaka, M, New xanthones from the barks of Cratoxylum sumatranum ssp. neriifolium. Heterocycles 81 (2010), 2335–2341.
62. Oleinik, AF, Adamskaya, EV, 3-Aryl- and 3-(aryloxy)phthalic acids in the synthesis of fluorenones and xanthones. Chem Heter Comp 19 (2007), 1221–1224.
63. Pan, JH, Deng, JJ, Chen, YG, Gao, JP, Lin, YC, She, ZG, Gu, YC, New lactone and xanthone derivatives produced by a mangrove endophytic fungus Phoma sp. SK3RW1M from the South China Sea. Helv Chim Acta 93 (2010), 1369–1374.
64. Reutrakul, V, Anantachoke, N, Pohmakotr, M, Jaipetch, T, Sophasan, S, Yoosook, C, Kasisit, J, Napaswat, C, Santisuk, T, Tuchinda, P, Cytotoxic and anti-HIV-1 caged xanthones from the resin and fruits of Garcinia hanburyi. Planta Med 1 (2007), 33–40.
65. Reutrakul, V, Chanakul, W, Pohmakotr, M, Jaipetch, T, Yoosook, C, Kasisit, J, Napaswat, C, Santisuk, T, Prabpai, S, Kongsaeree, P, Tuchinda, P, Anti-HIV-1 constituents from leaves and twigs of Cratoxylum arborescens. Planta Med 15 (2006), 1433–1435.
66. Shan, YC, Zhang, W, Preparative separation of major xanthones from mangosteen pericarp using high-performance centrifugal partition chromatography. J Sep Sci 33 (2010), 1274–1278.
67. Shao, C, Wang, C, Wei, M, Gu, Y, Xia, X, She, Z, Lin, Y, Structure elucidation of two new xanthone derivatives from the marine fungus Penicillium sp. (ZZF 32#) from the South China Sea. Magn Reson Chem 11 (2008), 1066–1069.
68. Shen, J, Yang, JS, Two new xanthones from the stems of Garcinia cowa. Chem Pharm Bull 54 (2006), 126–128.
69. Singh, O, Ali, M, Akhtar, N, New antifungal xanthones from the seeds of Rhus coriaria L. Z Naturforsch C 66:1/2 (2011), 17–23.
70. Sousa, ME, Pinto, MM, Synthesis of xanthones: An overview. Curr Med Chem 12 (2005), 2447–2479.
71. Suksamrarn, S, Komutiban, O, Ratananukul, P, Chimnoi, N, Lartpornmatulee, N, Suksamrarn, A, Cytotoxic prenylated xanthones from the young fruit of Garcinia mangostana. Chem Pharm Bull 54 (2006), 301–305.
72. Sun, YW, Sun, ZH, Yu, PZ, A new xanthone from Halenia elliptica D. Don. J Asian Nat Prod Res 13:1 (2011), 88–92.
73. Tanaka, N, Mamemura, T, Abe, S, Imabayashi, K, Kashiwada, Y, Takaishi, Y, Suzuki, T, Takebe, Y, Kubota, T, Kobayashi, J, Biyouxanthones A — D, prenylated xanthones from roots of Hypericum chinense. Chem Inform 41 (2010), 613–623.
74. Tanaka, N, Takaishi, Y, Xanthones from stems of Hypericum chinense. Chem Pharm Bull 1 (2007), 19–21.
75. Tang, L, Xu, XM, Rinderspacher, KA, Cai, CQ, Ma, Y, Long, CL, Feng, JC, Two new compounds from Comastoma pedunlulatum. J Asian Nat Prod Res 13:10 (2011), 895–900.
76. Tao, SJ, Guan, SH, Li, XN, Guo, DA, A highly rearranged pentaprenylxanthonoid from the resin of Garcinia hanburyi. Helv Chim Acta 93 (2010), 1395–1400.
77. Terzidis, MA, Tsiaras, VG, Stephanidou-Stephanatou, J, Tsoleridis, CA, Organocatalyzed reactions involving 3-formylchromones and acetylenedicarboxylates: Efficient synthesis of functionalized benzophenones and polysubstituted xanthones. Synthesis 1 (2011), 97–103.
78. Trisuwan, K, Rukachaisirikul, V, Kaewpet, M, Hutadilok, TN, Preedanon, S, Sakayaroj, J, Sesquiterpene and xanthone derivatives from the sea fan-derived fungus Aspergillus sydowii PSU-F154. J Nat Prod 74:7 (2011), 1663–1667.
79. Urbain, A, Marston, A, Grilo, LS, Bravo, J, Purev, O, Purevsuren, B, Batsuren, D, Reist, M, Carrupt, PA, Hostettmann, K, Xanthones from Gentianella amarelle ssp. acuta with acetylcholinesterase and monoamine oxidase inhibitory activities. J Nat Prod 5 (2008), 895–897.
80. Vieira, LM, Kijjoa, A, Naturally-occurring xanthones: Recent developments. Curr Med Chem 12 (2005), 2413–2446.
81. Wan, Y, Yu, HZ, Ye, L, Zhang, FR, Wu, H, Flavonol and xanthones derivatives from Polygala sibirica L. var. megalopha Fr. J Southwest Univ 30 (2008), 51–55.
82. Wang, H, Sun, QY, Yang, FM, Long, CL, Wang, YH, Tang, GH, Zhao, FW, Niu, HM, Huang, QQ, Xu, JJ, Wataya, Y, Ma, LJ, Chromanone derivatives from the pericarps of Calophyllum polyanthum. Helv Chim Acta 93 (2010), 2183–2188.
83. Wang, LL, Liu, HG, Zhang, TJ, Advances in studies on xanthones. Chin Tradit Herb Drugs 41:7 (2010), 1196–1206.
84. Wei, DJ, Mei, WL, Zhong, HM, Zeng, YB, Wu, XD, Dai, HF, A new prenylated xanthone from the branches of Calophyllum inophyllum. J Asian Nat Prod Res 13:3 (2011), 265–269.
85. Wu, JF, Tu, PF, Zhan, HT, Gao, JC, Dioxyxanthones from Polygala hongkongensis and their cytotoxicity. Chem Res Chin Univ 27:5 (2011), 777–779.
86. Xin, WB, Jin, GL, Mao, ZJ, Qin, LP, Two unusual phenolic substances and one new xanthone from Hypericum sampsonii. Helv Chim Acta 94:4 (2011), 686–692.
87. Xin, WB, Mao, ZJ, Jin, GL, Qin, LP, Two new xanthones from Hypericum sampsonii and biological activity of the isolated compounds. Phytother Res 25:4 (2011), 536–539.
88. Xu, X, Xu, X, Li, H, Xie, X, Li, Y, Iron-catalyzed, microwave-promoted, one-pot synthesis of 9-substituted xanthenes by a cascade benzylation-cyclization process. Org Lett 12 (2010), 100–103.
89. Xue, QC, Li, CJ, Zuo, L, Yang, JZ, Zhang, DM, Three new xanthones from the roots of Polygala japonica Houtt. J Asian Nat Prod Res 5 (2009), 465–469.
90. Yang, NY, Han, QB, Cao, XW, Qiao, CF, Song, JZ, Chen, SL, Yang, DJ, Yiu, H, Xu, HX, Two new xanthones isolated from the stem bark of Garcinia lancilimba. Chem Pharm Bull 6 (2007), 950–952.
91. Yang, Y, Song, Z, Hao, J, Qiu, S, Xu, Z, Two new prenylated xanthones and a new prenylated tetrahydroxanthone from the pericarp of Garcinia mangostana. Fitoterapia 81 (2010), 595–599.
92. Zelefack, F, Guilet, D, Fabre, N, Bayet, C, Chevalley, S, Ngouela, S, Lenta, BN, Valentin, A, Tsamo, E, Dijoux-Franca, MG, Cytotoxic and antiplasmodial xanthones from Pentadesma butyracea. J Nat Prod 5 (2009), 954–957.
93. Zhang, JS, Wang, XM, Gao, YT, Li, GP, Studies on antioxidant activities of chemical constituents of Swertia mussotii Franch. Asian J Chem 23:5 (2011), 1966–1968.
94. Zhang, YZ, Song, ZJ, Hao, J, Qiu, SX, Xu, ZF, Two new prenylated xanthones and a new prenylated tetrahhydroxanthonhe from the pericarp of Garcinia mangostana. Fitoterapia 81 (2010), 595–599.
95. Zhang, ZH, Wang, HJ, Ren, XQ, A facile and efficient method for synthesis of xanthone derivatives catalyzed by HBF4/SiO2 under solvent-free conditions. Monatsh Chem 140 (2009), 1481–1483.
96. Zhao, LZ, Xie, FC, Cheng, G, A base-promoted tandem reaction of 3-(1-alkynyl)chromones with 1,3-dicarbonyl compounds: An efficient approach to functional xanthones. Ang Chem Inter Edit 48 (2009), 6520–6523.
97. Zhao, Y, Liu, JP, Lu, D, Li, PY, Zhang, LX, A new antioxidant xanthone from the pericarp of Garcinia mangostana Linn. Nat Prod Res 17 (2010), 1664–1670.
98. Zhao, Y, Liu, JP, Lu, D, Li, PY, Zhang, LX, Two new xanthones from the pericarp of Garcinia mangostana. Nat Prod Res 26:1 (2012), 61–65.
99. Zhong, FF, Chen, Y, Song, FJ, Yang, GZ, Three new xanthones from Garcinia xanthochymus. Acta Pharm Sin 9 (2008), 938–941.
100. Zhou, LY, Zhou, FR, Hua, Y, A new xanthone glycoside from Polygala crotalarioides. Chin Tradit Herb Drugs 42:7 (2011), 1261–1263.
101. Zhou, TT, Zhu, ZY, Wang, C, Fan, GR, Peng, JY, Chai, YF, Wu, YT, On-line purity monitoring in high-speed counter-current chromatography: Application of HSCCC-HPLC-DAD for the preparation of 5-HMF, neomangiferin and mangiferin from Anemarrhena asphodeloides Bunge. J Pharm Biomed Anal 44 (2007), 96–100.
102. Zhou, XJ, Huang, RM, Hao, J, Huang, HJ, Fu, MQ, Xu, ZF, Zhou, YM, Li, XE, Qiu, SX, Wang, B, Two new prenylated xanthones from the pericarp of Garcinia mangostana (Mangosteen). HeIv Chim Acta 94:11 (2011), 2092–2098.
103. Zhu, BK, Zhe, W, Duan, YQ, Wang, MF, Gao, Y, Wei, GZ, Liao, TG, Two new xanthones from Swertia angustifolia. J Asian Nat Prod Res 14:2 (2012), 154–158.