88) Kuniko Kusama-Eguchi, Yuta Tokui, Ai Minoura，Yuta Nayai, Dai Hirose, Megumi Furukawa,Yasuhiro Kosuge, Motofumi Miura, Emika Ohkoshi, Mitsuko Makino, Kimino Minagawa, Keiichi Matsuzaki, Yoshio Ogawa, Kazuko Watanabe, Ayumi Ohsaki, 2(3H)-Dihydrofuranolactone metabolites from Pleoseporales sp. as anti-amyotorophic lateral sclerosis drugs, J. Nat. Med., 2024, 78, 146-159.

 

87) Yukiyasu Yoneda, Tadahiro Yahagi, Kenichi Harada, Yasuko Okamoto, Sumiaki Motai, Keiichi Matsuzaki, Miwa Kubo, Yoshiyasu Fukuyama, Ayumi Ohsaki, Anchietins A-E: 30-norfriedelane-type triterpenes from Anchietia pyrifolia, Phytochemistry, 2022, 203, 113388.

 

86）Miwa Kubo, Yuri Nishikawa, Hiroyuki Nakagawa, Shiori Shimada, Ayana Mori, Kenichi Harada, Jian-Mei Huang, Ayumi Ohsaki, Yosyiyasu Fukuyama, Germacrane-type sesquiterpenoids from Illicium lanceolatum, Tetrahedron, 2022, 132673.

 

85) Ryo Hanai, Yasuko Okamoto, Takuya Hashida, Kosuzu Shiojiri, Ayumi Ohsaki, Yoshinori Saito, Motoo Tori, Xun Gong, Chiaki Kuroda. Chemical and genetic diversity of Ligularia kanaitzensis in the Hengduan Moutaines area. Chemical relationship with L. subspicata. Chemistry & Biodiversity, 2021, 18, e2100444. 

 

84) Kazuyuki Todoroki, Mariko Funasaki, Tadahiro Etoh, Keiichi Matsuzaki, Ayumi Ohsaki. Two Erythrina alkaloids and three diarylpropanoids from Erythrina velutina, Tetrahedron, 2021, 132383.

 

83）舟崎真理子，吉川健太，廣田洋，龔洵，黒田智明，大崎愛弓，中国横断山脈地域産キク科Ligularia cyathicesのセスキテルペノイド成分，研究紀要，日本大学文理学部自然科学研究所，2020，55，271-276.

 

82) Yokoo, H.; Kagechika H.; Ohsaki, A.; Hirano, T. A Polarity-Sensitive Fluorescent Amino Acid and Peptide for the Ratiometric Detection of Biomolecule Interractions. ChemPlusChem, 2019, 84，1716-1719. ChemistryViews

 

81)  Endo, Y.; Kasahara, T.; Asakura, K.; Mori, A.;Funasaki, M.; Akisue, G.; Etoh, T.; Hadara, K.; Fukuyama, Y.;  Matsuzaki, K.; Ishibashi, M.; Ohsaki, A. Sucupiranins M-Q, five new furanocassane-type diterpenoids from the seeds of Bowdichia virgilioides, Tetrahedron, 2019, 75, 130511.

 

80）Saito Y.; Ichihara, M.; Taniguchi, K.; Ohsaki, A.; Okamoto, Y.;Kuroda, C.; Gong, X.: Tori, M. Bisabolane, Oplopane, and Lignan Constituents of Cremanthodium campanulatum Collected in China, Nat. Prod. Commun., 2019, 14, 1-7.

 

79) Funasaki, M.; Minato, C.; Nonaka, M.; Ozawa, M.; Kishida, A.; Ohsaki, A. New friedelan triterpenes from Anchietea pyrifolia. Phytochemistry Lett., 2019, 32, 42-46.

 

78) Endo, Y.; Sugiura, Y.; Funasaki, M.; Kagechika, H.; Ishibashi, M.; Ohsaki, A. Two new alkaloids from Crinum asiaticum var. japonicum, J. Nat. Med., 2019, 73，648-652.

 

 77) Sakiyama, R.; Aoyama, T.; Akazawa, H.; Kikuchi, N.; Omura, K.; Ohsaki, A.; Yasukawa, K.; Iida, T.; Kodomari, M. Solvent-Free Synthesis of 2-Alkylbenzothiazoles and

Bile Acid Derivatives Containing Benzothiazole Ring by Using Active Carbon/Silica Gel and Microwave, J. Oleo. Sci., 2018, 67, 1209-1217.

 

76) Taniguchi, K.; Funasaki, M.; Kishida, A,; Sadhu, S. K., Ahmed, F.;Ishibashi, M.; Ohsaki, A. Two new coumarins and a new xanthon from the leaves of Rhizophora mucronata, Bioorg. Med. Chem. Lett. , 2018, 1063-1066. 10.1016/j.bmcl.2018.02.022

 

75）Yokoo, H.; Ohsaki, A.; Kagechika, H.; Hirano, T. Unique properties of  1,5-naphthyridin-2(1H)-one derivatives as environmental-polarity-sensitive fluorescent dyes, Eur. J. Org. Chem., 2018, 5, 679–687 .　Outstanding Organics Section (Highlight)

 

74) Endo, Y.; Kasahara, T.; Harada, K.; Kubo, M.; Etoh, T.; Ishibashi, M.; Ishiyama, A.; Iwatsuki, M.; Otoguro, K.; Õmura, S.; Akisue, G.; Hirano, T.; Kagechika, H.; Fukuyama, Y.; Ohsaki, A. Sucuipiranins A-L, Furanocassane Diterpenoids from the Seeds of Bowdichia virgilioides,  J. Nat. Prod., 2017， 80(12)，3120-3127.

 

73) Kawabe, H.; Suzuki, R.; Hirota, H.; Matsuzaki K.; Gong, X.;Ohsaki, A. A New Diterpenoid with a Rearranged Skeleton from Salvia prattii, Nat. Prod. Commun., 2017, 12, 1177-1179.

 

72）Harada, K.; Yamane, H.; Kubo, M.; Ohsaki, A.; Fukuyama, Y., Construction of Canthin-5.6-diones via Termolecular Condensation Reaction: Studies on Synthesis of Amarastelline A. Nat. Prod. Commun., 2017,  12, 1231-1233.

 

71）Kato, T.; Hirota, H.; Kuroda, C.; Gong,  X.; Ohsaki, A. New Eremophilane-type Sesquiterpnens from Ligularia cymbulifera, Nat. Prod. Commun., 2017, 12, 1165-1167.

 

70)Yokoo, H.; Ohsaki, A.; Kagechika H.; Hirano, T. Structural development of canthin-5,6-dione moiety as a fluorescent dye ant its application to novel fluorescent sensors, Tetrahedron, 2016, 72, 5872-5879.

 

69)Kubo, M.; Uemura, M.; Harada, K.; Ohsaki, A.; Fukuyama, Y. A new pimarane-type diterpenoid from the seeds of Bowdichia virgilioides, Nat. Prod. Commun, 2016, 11,917-919.

 

68)Tsukada, H.; Kawabe, H.; Ohtaka, A.; Saito, Y.; Okamoto, Y.; Tori, M.; Kagechika, H.; Hirota, H.; Gong, X.; Kuroda, C.; Ohsaki, A. Two new diterpenoids from Salvia przewarskii. Nat. Prod. Commun, 2016，11, 159-161.

 

67)大崎愛弓、宝谷尚徳、小沢正晃、岸田晶夫、小宮山寛機、久保伊佐夫、南米産薬用植物Licaria puchury-major種子のアルカロイド成分と薬剤耐性がん細胞に対する殺細胞活性、日本大学文理学部自然科学研究所研究紀要、2015, 50，295-298.

 

66) Omura, K.; Ohsaki, A.; Zhou, B.; Kushida, M.; Mitsuma, T.; Kobayashi, A.; Hagey, L. R.; Hofmann, A. F.; Iida, T. Improved chemical synthesis, X-ray crystallographic analysis, and NMR characterization of (22R)-/(22S)-hydroxy epimers of bile adics. Lipid, 2014, 49, 1169-1180. 

 

65) Saito, Y.; Sasaki, Y.; Ohsaki, A.; Okamoto, Y.; Gong, X.; Kuroda, C.; Tori, M. Structures of six new compounds from Ligularia brassicoides. Tetrahedron, 2014, 70, 9726-9730.  

 

64) Shimada, M.; Ozawa, M.;Iwamoto, K.; Fukuyama, Y.; Kishida, A.; Ohsaki, A. A lanostane triterpenoid and three cholestane sterols from Tilia kiusiana.  Chem Pharm Bull, 2014, 62, 937-941.

　

63) Saito, Y.; Sasaki, Y.; Komiyama, T.; Ohsaki, A.; Okamoto, Y.; Gong, X.; Kuroda, C.; Tori, M. Structure and cytotoxic evaluation of five 12-oxygenated eremophilanes from Ligularia lingiana. Tetrahedron, 2014, 70, 5878-5883.

 

62) Satoh, R.; Saito, T.; Ogata, H.; Ohsaki, A.; Iida, T.; Asahina, K.; Mitamura, K.; Ikegawa, S.; Hofmann A. F.; Hagey, L. R. N-methyltaurine N-acyl amidated bile asics and deoxycholic acid in the bile of angelfish (Pomacanthidae): a novel bile acid profile in Perciform fish. Steroids, 2014, 80, 15-23.

 

61) （総説）黒田智明、花井亮、通元夫、岡本育子、齋藤義紀、永野肇、大崎愛弓、廣田洋、川原孝行、龔　洵。

中国横断山脈に生育するキク科Ligraria属植物の生産するフラノエレモフィラン化合物の多様性、有機合成化学協会誌、2014, 72(6), 717-725.

 

60) Saito, Y.; Taniguchi, M.; Komiyama, T.; Ohsaki, A.; Okamoto, Y.; Gong, X.; Kuroda, C.; Tori, M. Four new compounds from Ligularia virgaurea; isolation of eremophyilane and noreremophylane sesquiterpenoids and the absolute configuration of 2a-hydroxyeremophyl-11-en-9-one by the CD spectrum and DFT calculation. Tetrahedron, 2013,  69, 8505-8510.

 

59) Etoh. T.; Kim, YP.; Ohsaki, A.; Komiyama, K.; Hayashi, M. Inhibitory effect of erythraline on Toll-like receptor signaling pathway in Raw264.7 cells. Biol Pharm Bull, 2013, 36(8), 1363-1369.

 

 58) Ohsaki, A; Ozawa, M.; Komiyama, T.; Kishida, A.; Isobe, T. The cytotoxic activity of diterpenoids from Isodon species, Nat Prod Commun, 2012, 7(8), 977-978.

 

57) Taniguchi, K.; Takizawa, S.; Hirano, T.; Murata, S.; Kagechika, H.; Kishida, A.; Ohsaki, A. Amarastelline A: New fluorescent alkaloid from Quassia amara and its properties in living cells. ChemPlusChem, 2012, 77, 427-431.

 

56) Saito, Y.; Takashima, Y.; Okamoto,Y.; Komiyama, T.; Ohsaki, A.; Gong, X.; Tori, M. Two new norursane-type triterpnenoids from collected in China. Chem Lett., 2012, 41, 372-373.

 

55) Nagano, H.; Hanai, R.; Yamada, H.; Matsushima,M.; Miura, Y.; Hoya, T.; Ozawa, M.; Fujiwara, M.; Kodama, H.; Torihata, A.; Onuki, H.; Nezu, Y.; Kawai, S.; Yamazaki, M.; Hirata, H.; Saito, Y.; Tori, M.; Ohsaki, A.; Gong, X.; Kuroda, C. Chemical and genetic study of Ligularia duciformis and related species in Sichian and Yunnan Provinces of China. Chemistry and Biodiversity, 2012, 4, 789-805.

 

54) Ozawa, M.; Kishida, A.; Ohsaki, A. Erythrinan alkaloids from seeds of Erythrina velutina, Chem. Pharm. Bull. 2011, 59(9), 564-567.

 

53) Ohsaki, A.; Kawamata, S.; Ozawa, M.; Kishida, A.; Gong, X.; Kurada, C. Salviskinone A, a diterpene with a new skeleton from Salvia przewalskii, Tetrahedron Lett., 2011, 1375-1377.

 

52) Ozawa, M.; Kawamata, S.: Etoh, T.; Hayashi, M.; Komiyama, K.; Kishida, A.; Kurada, C.; Ohsaki, A. Structure of new Erythrinan alkaloids and nitric oxide production inhibitors from Erythrina crista-galli L. Chem. Pharm. Bull., 2010, 58(8), 1119-1122. Cover paper

 

 51) Ohsaki, A.; Nagaoka, T.; Yoneda, K.; Kishida, A. Secu'amamine E-G, new alakloids from Securinega suffritocosa var. amamiensis, Tetrahedron Lett., 2009, 50(50), 6965-6967.

 

50)　Igarashi, Y.; Mogi, T.; Yanase, S.;　Miyagawa, S.; Fujita, T.; Sakurai, H.; Ohsaki, A.　Brartemisin, and inhibitor of tumor cell invasion from the Actinomycete Nonomurae sp..　J. Nat. Prod., 2009, 72(5), 980-982.　Most read paper

 

49）Ozawa, M.; Komiyama, K.; Kishida, A.; Ohsaki, A.　TRAIL-enhancing activity of Erythrinan alkaloids from Erythrina velutina, Bioorg. Med. Chem. Lett., 2009, 19, 234-236.

 

48) Ozawa, M.; Honda, K.; Nakai, I.; Kishida, A.; Ohsaki, A. Hypaphorine, indole alkaloid from Erythrina velutina, induced sleep on normal mice. Bioorg. Med. Chem Lett., 2008, 18, 3992-3994.

 

 47) Ohsaki, A.; Kobayashi, Y.; Yoneda, K.; Kishida, K.; Ishiyama, H. Three new Securinega alkaloids from Securinega suffriticosa var. amamiensis. J Nat. Prod., 2007, 71, 2003-2005.

 

46) Isobe, T.; Doe, M.; Morimoto, Y.; Nagata, K.; Masuoka, N.; Ohsaki, A. Studies of biological activity against the effects descrived on the harb: Biological tests of chemical constitients from two Brazilian Labiatae Plans. Yakugaku zasshi, 2007, 127, 389-395.

 

45) Takashima, J.; Komiyama, K.; Kishida, A.; Ohsaki, A. New constituents from the leaves of Morinda citrifolia. Chem. Pharm . Bull., 2007, 55, 343-345.

 

44) Ohsaki, A.; Yokohama, R.; Miyatake, H.; Fukuyama, Y. Towo diterpene rhamnosides, Minosasides B and C, from Minosa hostilis. Chem Pharm Bull, 2006, 54, 1728-1729.

 

43) Kagata, T.; Saito, S.; Shigemori, H.; Ohsaki, A.; Ishiyama, H.; Kubota, T.; Kobayashi, T.; Kobayashi, J. Paratunamides A-D, new oxindole alkaloids from Cinnamodendrom axillare, J. Nat. Prod., 2006, 69, 1517-1521.

 

42) Isobe, T.; Doe, M.; Morimoto, Y,; Nagata, K.; Ohsaki, A. The anti-Helicobacter pylori flavones in Brazilian plant, Hyptis fasciculate, and the activity of methoxyflavones. Biol. Pharm. Bull, 2006, 29, 1039-1041.

 

41) Inatsu, S.; Ohsaki, A.; Nagata, K. Idebelone acts against growth of Helicobacter pylori by inhibiting its resperation.   Antimicrobial Agents and Chemother., 2006, 50, 2237-2239.

 

40) Ishiyama, H.; Matsumoto, M.; Sekiguchi, M.; Shigemori, H.; Ohsaki, A.; Kobayashi, J. Two new indole alkaloids from Aspidosperma subincanum and Geissospermum vellosii. Heterocycles, 2005, 66, 651-658.

 

39) Ohsaki, A.; Kishimoto, Y.; Isobe, T.; Fukuyama, Y. New diterpenoids from Hyptis fasciculate. Chem. Pharm. Bull., 2005, 33, 1577-1579.

 

38) Takashima, J.; Komiyama, K.; Ishiyama, H.; Kobayashi, J.; Ohsaki, A. Brosimacutins J-M, four new flavonoids from Brosimum actifolium and their cytotoxic activity. Planta Med., 2005, 71, 645-658.

 

37) Ohsaki, A.; Imai, Y.; Naruse, M.; Ayabe, S.; Komiyama, K.; Takashima, J. Four new triterpenoids from Maytenus ilicifolia. J. Nat. Prod. 2004, 45, 469-471.

 

36) （総説）大崎愛弓。ラブダンおよびクレロダンジテルペノイドの構造的多様性と生物活性、有機合成化学協会誌、2004、62、872-881.

 

35) Ohsaki, A.; Ishiyama, H.; Yoneda, K.; Kobayashi, J. Secu'amamine A, a novel indolozine alkaloid from Securinega suffruticosa var. amamiensis. Tetrahedron Lett. 2003, 44, 3097-3099.

 

34) Shigemori, H.; Kagata, T.; Ishiyama, H.; Morah, F.; Ohsaki, A.; Kobayashi, J. Naucleamides A-E, new monoterpene indole aklaoids from Nauclea latifolia. Chem. pharm. Bull. 2003, 51, 58-61.

 

33) Kobayashi, J.; sekiguchi, M.; Shimamoto, S.; Shigemori, H.; Ishiyama, H.; Ohsaki, A. Subincanadines A-C, novel quaternary indole alkaloids from Aspidosperma subincanum. J. Org. Chem. 2002, 67, 6449-6455.

 

32) Takashima, J.; Ohsaki, A. Brosimakutins A-I, nine new flavonoids from Brosimum actifolium, J. Nat. Prod., 2002, 68, 1843-1847.

 

31) Isobe, T.; Ohsaki, A.; Nagata, K. Antibacterial constituents against Helicobanter pylori of Brazilian medicinal plant, Pariparoba. Yakugaku zasshi, 2002, 122, 291-294.

 

30) Takashima, J.; Asano, S.; Ohsaki, A. Mururins A-C, Three lignoids from Brosimum acutifolium and their ptotein kinase inhibitory. Planta Medica, 2002, 68, 621-625.

 

29) Takashima, J.; Chiba, N.; Yoneda, K.; Ohsaki, A. Derrisin:a new rotenoid from Derris malaccensis Plain and anti-Helicobacter pylori activity of its related constituents. J. Nat. Prod., 2002, 65, 611-613.

 

28) Sekiguchi, M.; Shigemori, H.; Ohsaki, A.; Kobayashi, J. Renealtins A-C, new diarylheptanoids from the Seeds of Renealmia exaltata. J. Nat. Prod. 2002, 65, 375-376.

 

27) Shigemori, H.; Shimamoto, S.; Sekiguchi, M.; Ohsaki, A.; Kobayashi, J.; Echinodolides A and B, new cembrane diterpenoids with an eight-membered lactone ring from the leaves of Echinodorus macrophyllus, J. Nat. Prod. 2002, 65, 82-83.

 

26) Takashima, J.; Ohsaki, A. Actifolins A-F: a new flavan-derived constituents and five new flavans from Brosimum actifolium. J. Nat. prod. 2001, 64, 1493-1496.

 

25) Sekiguchi, M.; Shigemori, H.; Ohsaki, A.; Kobayashi, J. Pacovatins A-C new labdane diterpenoids form the seeds of Renealmia exaltata. J. Nat. Prod., 2001, 64, 1102-1106.

 

24) Ohsaki, A.; Ogawa, M.; Imai, Y.; Shinzato, T.; Shigemori, H.; Kobayashi, J. Porwenins A and B, new clerodane diterpenoids from Portulaca okinawensis. J. Nat. Prod. 2001, 64, 804-805.

 

23) Kobayashi, J.;　Sekiguchi, M.; Shigemori, H.; Ohsaki, A.　Echinophyllines C-F, new nitrogen-containing clerodane diterpenoids from Echinodorus macrophyllus. J. Nat. Prod. 2000, 63, 1576-1579.

 

22) Kobayashi, J.; Sekiguchi, M.; Shigemori, H.; Ohsaki, A. Echinophyllines A and B, novel nitrogen-containing clerodane diterpenoids from Echinodorus macrophyllus. Tetrahedron Lett. 2000, 41, 2939-2943.

 

21) Kobayashi, J.; Sekiguchi, M.; Shigemori, H.; Ohsaki, A. Chapecoderins A-C, new labdane-derived diterpenoids from Echinodrus macrophyllus. J. Nat. Prod. 2000, 63, 375-377.

 

20) Imai, Y.; Watanabe, M.; Ohsaki, A. Analysis of major components contained in Bis-GMA mononer. Dent. Mater.J. 1999, 18, 425-429.

 

19) Ohsaki, A.; Imai, Y. Analysis of major compounds contained in Bis-GMA monomer. Dent. Mater. J. 1999, 18, 425-429.

 

18) Fukuyama, Y.; Yokoyama, R.; Ohsaki, A.; Takahashi, H.; Minami, H. An example of the co-occurrence of enantiomeric labdane-type diterpenes in the leaves of Mimosa hostilis. Chem. Pharm. Bull. 1999, 47, 454-455.

 

17) Ohsaki, A.; Takashima, J.; Chiba, N.; Kawamura, M. Microanalysis of a selective potent anti-Helicobacter pylori compounds in a Brazilian medicinal plant, Myroxylon peruiferum. Bioorg. Med. Chem. Lett., 1999, 9, 1109-1112.

 

16) Ohsaki, A.; Shibata, K.; Kubota, T.; Tokoroyama, T. Phylogenetic and chemotaxonomic significance of diterpenes in some Portulaca species. Biochem. Syst Ecol., 1999, 27, 289-296.

 

15) Ohsaki, A.; Asaka, Y.; Kubota, T.; Shibata, K.; Tokoroyama, T. Portulene acetal: a novel minor constituents of Portulaca grandiflora Hook. with significance for biosynthesis of portulal. J. Nat. Prod., 1997, 60, 912-914.

 

14) Ohsaki, A.; Kasetani, Y.; Asaka, Y.; Shibata, K.; Tokoroyama. T.; Kubota, T. A diterpenoid from Portulaca pilosa. Phytochemistry, 1995, 40, 205-207.

 

13) Ohsaki, A.; Lu, T.Y.; Ito, S.; Edatsugi, H.; Iwata, D.; Komoda, Y. The isolation and in vivo potent anti-tumor activity of clerodane diterpenoid from the oleoresin of the Brazilian medicinal plant, Copaifera langsdorfii Defson. Bioorg. Med. Chem. Lett., 1994, 4, 2889-2892.

 

12) Ohsaki, A.; Kasetani, Y.; Asaka, Y.; Shibata, K.; Tokoroyama, T.; Kubota, T. Clerodane diterpenoids from the roots of Portulaca pilosa. Phytochemistry, 1991, 30, 4075-4077.

 

11) Asaka, Y.; Ohsaki, A.; Kubota, T.; Masukawa, Y.; Satomi, Y.; Nishino, H. 5,5,7,3',4'-Tetrahtdrixy-3-methoxy flavone, a potent anti-tumor promoter isolated from Gnafhalium indicum, 京都府立医科大学雑誌,1992, 101, 353-359.

 

10) Ohsaki, A.; Kubota, T.; Asaka, Y.; Persepicroside A, hexanorcucurbitacin-type glucoside from Persea mexicana, Phytochemistry, 1990, 29, 1330-1332.

 

9) Isobe, T.; Noda, Y.; Ohsaki, A.; Sakanaka, S.; Kim, M.; Taniguchi, M. Studies on the constituents of Leucoseptrum stellipillum. Yakugaku zasshi, 1989, 109, 175-178.

 

8) Ohsaki, A.; Ohno, N.; Shibata, K.; Tokoroyama, T.; Kubota, T.; Hirotsu, K.; Higuchi, T. Minor diterpenoids from Portulaca cv. Jewel. Phytochemistry, 1988, 27, 2171-2173.

 

7) Ohsaki, A.; Shibata, K; Tokoroyama, T.; Kubota, T. Structure of pilosanone A and B, novel diterpenoids with a bicyclo[5.4.0]undecane sksleton from Portulaca pilosa L. Chem. Commun. 1987, 151-153.

 

6) Kotsuki, H.; Yamaguchi, Y.; Ohsaki, A.; Ochi, M. Effidient synthesis of benzofuran derivatives via intermolecular friedel-crafts acilation of furans, 高知大学紀要, 1987, 25, 2414-2416.

 

5) Ohsaki, A.; Shibata, K.; Tokoroyama, T.; Kubota, T.; Naoki, H. Novel diterpenenes with bicyclo[5.4.0]undecane skeleton from Portulaca grandifora Hook. Possible linking intermediates in the biosynthesis of portulal. Chem. Lett. 1986, 1585-1588.

 

4) Ohsaki, A.; Ohno, N.; Shibata, K.; Tokoroyama, T.; Kubota, T. Clerodane diterpenoids from Portulaca cv, Jewel. Phytochemistry, 1986, 25, 2414-2416.

 

3) Ohsaki, A.; Matsumoto, K.; Shibata, K.; Tokoroyama, T.; Miura, I. Portulide A, a clerodane diterpenoid from Portulaca grandiflora Hook. Chem Lett. 1986, 1521-1522.

 

2) Ohsaki, A.; Matsumoto, K. Shibata, K.; Kubota, T.; Tokoroyama, T. Diterpenoid congeners of portulal in Portulaca grandiflora Hook. Chem. Pharm. Bull. 1985, 33, 2171-2174.

 

1) Kotsuki, H.; Kawamura (Ohsaki), A.; Ochi, M.; Tokoroyama, T. Intermolecular diels-alder reactions of vinylfuran derivatives , a novel appriach to benzofurans. Chem. Lett. 1981, 917-920.

 

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