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1

Concise Large-Scale Synthesis of Psilocin and Psilocybin, Principal Hallucinogenic Constituents of “Magic Mushroom”

Shirota, Osamu, Hakamata, Wataru, Goda, Yukihiro

Journal:

Journal of Natural Products

Year:

2003

Language:

english

File:

PDF, 62 KB

english, 2003

2

A cyclic heptapeptide from Vaccaria segetalis

Hiroshi Morita, Young Sook Yun, Koichi Takeya, Hideji Itokawa, Osamu Shirota

Journal:

Year:

1996

Language:

english

File:

PDF, 230 KB

english, 1996

3

Determination of psilocin in magic mushrooms and rat plasma by liquid chromatography with fluorimetry and electrospray ionization mass spectrometry

Kimie Saito, Toshimasa Toyo’oka, Takeshi Fukushima, Masaru Kato, Osamu Shirota, Yukihiro Goda

Journal:

Analytica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 258 KB

english, 2004

4

Development of new resist materials for 193-nm dry and immersion lithography

Yoko Takebe, Takashi Sasaki, Naoko Shirota, Osamu Yokokoji

Journal:

Microelectronic Engineering

Year:

2006

Language:

english

File:

PDF, 104 KB

english, 2006

5

Solution state conformation of an immunosuppressive cyclic dodecapeptide, cycloleonurinin

Hiroshi Morita, Akira Gonda, Koichi Takeya, Hideji Itokawa, Toshihiko Hirano, Kitaro Oka, Osamu Shirota

Journal:

Year:

1997

Language:

english

File:

PDF, 591 KB

english, 1997

6

Development of Novel Materials for 193-nm Dry and Immersion Lithography

Sasaki, Takashi, Shirota, Naoko, Wang, Shu-Zhong, Takebe, Yoko, Yokokoji, Osamu

Journal:

Journal of Photopolymer Science and Technology

Year:

2006

File:

PDF, 1.83 MB

2006

7

Three New Constituents from the Roots of Erythrina variegata and Their Antibacterial Activity against Methicillin-Resistant Staphylococcus aureus

Hitoshi Tanaka, Ikunori Atsumi, Osamu Shirota, Setsuko Sekita, Eiji Sakai, Masaru Sato, Jin Murata, Hiroko Murata, Dedy Darnaedi, Ih-Sheng Chen

Journal:

Chemistry & Biodiversity

Year:

2011

Language:

english

File:

PDF, 172 KB

english, 2011

8

Thionation of segetalins A and B, cyclic peptides with estrogen-like activity from seeds of Vaccaria segetalis

Hiroshi Morita, Young Sook Yun, Koichi Takeya, Hideji Itokawa, Osamu Shirota

Journal:

Bioorganic & Medicinal Chemistry

Year:

1997

Language:

english

File:

PDF, 464 KB

english, 1997

9

Determination of psilocybin in hallucinogenic mushrooms by reversed-phase liquid chromatography with fluorescence detection

Kimie Saito, Toshimasa Toyo’oka, Masaru Kato, Takeshi Fukushima, Osamu Shirota, Yukihiro Goda

Journal:

Year:

2005

Language:

english

File:

PDF, 258 KB

english, 2005

10

Simple Preparative Isolation of Salvinorin A from the Hallucinogenic Sage, Salvia divinorum , by Centrifugal Partition Chromatography

Shirota, Osamu, Nagamatsu, Kumi, Sekita, Setsuko

Journal:

Journal of Liquid Chromatography & Related Technologies

Year:

2007

Language:

english

File:

PDF, 129 KB

english, 2007

11

SPIE Proceedings [SPIE SPIE 31st International Symposium on Advanced Lithography - San Jose, CA (Sunday 19 February 2006)] Advances in Resist Technology and Processing XXIII - Development of fluoropolymer for 193nm immersion lithography

Shirota, Naoko, Lin, Qinghuang, Takebe, Yoko, Sasaki, Takashi, Yokokoji, Osamu, Toriumi, Minoru, Masuhara, Hiroshi

Year:

2006

Language:

english

File:

PDF, 366 KB

english, 2006

12

SPIE Proceedings [SPIE Advanced Lithography - San Jose, CA (Sunday 25 February 2007)] Advances in Resist Materials and Processing Technology XXIV - Development of non-topcoat resist polymers for 193-nm immersion lithography

Shirota, Naoko, Lin, Qinghuang, Takebe, Yoko, Wang, Shu-Zhong, Sasaki, Takashi, Yokokoji, Osamu

Year:

2007

Language:

english

File:

PDF, 354 KB

english, 2007

13

SPIE Proceedings [SPIE SPIE Advanced Lithography - San Jose, California, USA (Sunday 24 February 2008)] Advances in Resist Materials and Processing Technology XXV - Highly hydrophobic materials for ArF immersion lithography

Henderson, Clifford L., Takebe, Yoko, Shirota, Naoko, Sasaki, Takashi, Murata, Koichi, Yokokoji, Osamu

Year:

2008

Language:

english

File:

PDF, 318 KB

english, 2008

14

SPIE Proceedings [SPIE Advanced Lithography - San Jose, CA (Sunday 25 February 2007)] Advances in Resist Materials and Processing Technology XXIV - Development of top coat materials for ArF immersion lithography

Takebe, Yoko, Lin, Qinghuang, Shirota, Naoko, Sasaki, Takashi, Yokokoji, Osamu

Year:

2007

Language:

english

File:

PDF, 431 KB

english, 2007

15

Erratum: Production of Sesquiterpene-Type Phytoalexins by Hairy Roots of Hyoscyamus albus Co-treated with Cupper Sulfate and Methyl Jasmonate [Chem. Pharm. Bull. 58(7): 934-938 (2010)]

Kawauchi, Moriyuki, Arima, Toshihide, Shirota, Osamu, Sekita, Setsuko, Nakane, Takahisa, Takase, Yoichi, Kuroyanagi, Masanori

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2010

File:

PDF, 15 KB

2010

16

Direct determination of bisphenol A and nonylphenol in river water by column-switching semi-microcolumn liquid chromatography/electrospray mass spectrometry

Akira Motoyama, Ayako Suzuki, Osamu Shirota, Ryujiro Namba

Journal:

Rapid Communications in Mass Spectrometry

Year:

1999

Language:

english

File:

PDF, 81 KB

english, 1999

17

Nine New Isoxuxuarine-Type Triterpene Dimers from Maytenus chuchuhuasca

Osamu Shirota, Setsuko Sekita, Motoyoshi Satake, Hiroshi Morita, Koichi Takeya, Hideji Itokawa

Journal:

Chemistry & Biodiversity

Year:

2004

Language:

english

File:

PDF, 324 KB

english, 2004

18

Nine Regioisomeric and Stereoisomeric Triterpene Dimers from Maytenus chuchuhuasca.

Osamu Shirota, Setsuko Sekita, Motoyoshi Satake, Hiroshi Morita, Koichi Takeya, Hideji Itokawa

Journal:

Year:

2004

File:

PDF, 15 KB

2004

19

Two New Sesquiterpene Pyridine Alkaloids from Maytenus chuchuhuasca

Osamu Shirota, Setsuko Sekita, Motoyoshi Satake, Hiroshi Morita, Koichi Takeya, Hideji Itokawa

Journal:

Year:

2004

File:

PDF, 12 KB

2004

20

Two Cangorosin A Type Triterpene Dimers from Maytenus chuchuhuasca.

Osamu Shirota, Setsuko Sekita, Motoyoshi Satake, Hiroshi Morita, Koichi Takeya, Hideji Itokawa

Journal:

Year:

2005

File:

PDF, 13 KB

2005

21

ChemInform Abstract: Leishmanicidal Active Constituents from Nepalese Medicinal Plant Tulsi (Ocimum sanctum L.).

Akiko Suzuki, Osamu Shirota, Kanami Mori, Setsuko Sekita, Hiroyuki Fuchino, Akihito Takano, Masanori Kuroyanagi

Journal:

Year:

2009

File:

PDF, 22 KB

2009

22

ChemInform Abstract: Polyprenylated Benzoylphloroglucinol-Type Derivatives Including Novel Cage Compounds from Hypericum erectum.

Yohei Ishida, Osamu Shirota, Setsuko Sekita, Keita Someya, Fumihiko Tokita, Takahisa Nakane, Masanori Kuroyanagi

Journal:

Year:

2010

File:

PDF, 25 KB

2010

23

ChemInform Abstract: Production of Sesquiterpene-Type Phytoalexins by Hairy Roots of Hyoscyamus albus Cotreated with Copper Sulfate and Methyl Jasmonate

Morihiro Kawauchi, Toshihide Arima, Osamu Shirota, Setsuko Sekita, Takahisa Nakane, Yoichi Takase, Masanori Kuroyanagi

Journal:

Year:

2010

File:

PDF, 21 KB

2010

24

ChemInform Abstract: Vernodalidimers A and B, Novel Orthoester Elemanolide Dimers from Seeds of Vernonia anthelmintica.

Yongqiang Liu, Alfarius E. Nugroho, Yusuke Hirasawa, Asami Nakata, Toshio Kaneda, Nahoko Uchiyama, Yukihiro Goda, Osamu Shirota, Hiroshi Morita, Haji Akber Aisa

Journal:

Year:

2011

File:

PDF, 26 KB

2011

25

ChemInform Abstract: Pseuduvarines A and B, Two New Cytotoxic Dioxoaporphine Alkaloids from Pseuduvaria rugosa.

Hairin Taha, A. Hamid A. Hadi, Noraziah Nordin, Ibrahim A. Najmuldeen, Khalit Mohamad, Osamu Shirota, Alfarius E. Nugroho, Wong Chin Piow, Toshio Kaneda, Hiroshi Morita

Journal:

Year:

2012

File:

PDF, 21 KB

2012

26

Nine Triterpene Dimers from Maytenus chuchuhuasca

Osamu Shirota, Setsuko Sekita, Motoyoshi Satake, Hiroshi Morita, Koichi Takeya, Hideji Itokawa

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 136 KB

english, 2004

27

Monodisperse polymer-based stationary phase for carbohydrate analysis by reduced-diameter column anion-exchange chromatography with pulsed amperometric detector

Aya Ohkubo, Osamu Shirota, Atsushi Kobayashi, Tomohiko Kimura, Yutaka Ohtsu, Ken Hosoya, Nobuo Tanaka

Journal:

Journal of Microcolumn Separations

Year:

2001

Language:

english

File:

PDF, 224 KB

english, 2001

28

Nitrogen-selective detection in capillary supercritical fluid chromatography of derivatized oligosaccharides

Osamu Shirota, Jinping Liu, Milos Novotny

Journal:

Journal of Microcolumn Separations

Year:

1991

Language:

english

File:

PDF, 350 KB

english, 1991

29

Low concentration drug analysis by semi-microcolumn liquid chromatography with a polymer-coated mixed-function precolumn

Osamu Shirota, Ayako Suzuki, Taketoshi Kanda, Yutaka Ohtsu, Michihiro Yamaguchi

Journal:

Journal of Microcolumn Separations

Year:

1995

Language:

english

File:

PDF, 546 KB

english, 1995

30

Direct analysis of cortisol and cortisone in human urine by semi-microcolumn liquid chromatography with mixed-function precolumn

Taketoshi Kanda, Osamu Shirota, Yutaka Ohtsu, Michihiro Yamaguchi

Journal:

Journal of Microcolumn Separations

Year:

1995

Language:

english

File:

PDF, 409 KB

english, 1995

31

High-sensitivity analysis of sialyl-oligosaccharide glycosylation sites in glycoproteins by miniaturized tryptic digestion and microcolumn liquid chromatography

Osamu Shirota, Danny Rice, Milos Novotny

Journal:

Analytical Biochemistry

Year:

1992

Language:

english

File:

PDF, 406 KB

english, 1992

32

Separation of fluorescent oligosaccharide derivatives by microcolumn techniques based on electrophoresis and liquid chromatography

Jinping Liu, Osamu Shirota, Milos Novotny

Journal:

Journal of Chromatography A

Year:

1991

Language:

english

File:

PDF, 780 KB

english, 1991

33

Synthesis and characterization of polymer-coated mixed functional stationary phases with several different hydrophobic groups for direct analysis of biological samples by liquid chromatography

Taketoshi Kanda, Osamu Shirota, Yutaka Ohtsu, Michihiro Yamaguchi

Journal:

Journal of Chromatography A

Year:

1996

Language:

english

File:

PDF, 636 KB

english, 1996

34

Electrical communication between horse heart cytochrome c and electrodes in the presence of DNA or RNA

Osamu Ikeda, Yukihiro Shirota, Takeshi Sakurai

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1990

Language:

english

File:

PDF, 424 KB

english, 1990

35

Triterpenes fromMaytenus ilicifolia

Hideji Itokawa, Osamu Shirota, Hiroshi Ikuta, Hiroshi Morita, Koichi Takeya, Yoichi Iitaka

Journal:

Year:

1991

Language:

english

File:

PDF, 338 KB

english, 1991

36

Structures of xuxuarines, stereoisomeric triterpene dimers from Maytenus chuchuhuasca

Osamu Shirota, Hiroshi Morita, Koichi Takeya, Hideji Itokawa

Journal:

Year:

1995

Language:

english

File:

PDF, 806 KB

english, 1995

37

Configurational and conformational analyses of a cyclic octapeptide, lyciumin A, from Lycium chinense Mill

Hiroshi Morita, Natsuko Yoshida, Koichi Takeya, Hideji Itokawa, Osamu Shirota

Journal:

Year:

1996

Language:

english

File:

PDF, 403 KB

english, 1996

38

A protein recycling system for nuclear magnetic resonance-based screening of drug candidates

Aya Hirayama, Osamu Shirota, Mitsuru Nomura, Aritaka Nagadoi, Yoshifumi Nishimura

Journal:

Analytical Biochemistry

Year:

2006

Language:

english

File:

PDF, 496 KB

english, 2006

39

Antimitotic quinoid triterpenes from Maytenus chuchuhuasca

Hiroshi Morita, Yusuke Hirasawa, Akihiro Muto, Tadashi Yoshida, Setsuko Sekita, Osamu Shirota

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2008

Language:

english

File:

PDF, 225 KB

english, 2008

40

2,3-Dehydro-4α-hydroxylongilactone, a novel quassinoid and two known phenyl propanoids from Eurycoma longifolia Jack

Chin-Hoe Teh, Hiroshi Morita, Osamu Shirota, Kit-Lam Chan

Journal:

Year:

2010

Language:

english

File:

PDF, 290 KB

english, 2010

41

Vernodalidimers A and B, novel orthoester elemanolide dimers from seeds of Vernonia anthelmintica

Yongqiang Liu, Alfarius E. Nugroho, Yusuke Hirasawa, Asami Nakata, Toshio Kaneda, Nahoko Uchiyama, Yukihiro Goda, Osamu Shirota, Hiroshi Morita, Haji Akber Aisa

Journal:

Tetrahedron Letters

Year:

2010

Language:

english

File:

PDF, 384 KB

english, 2010

42

Synthesis and characterization of a polymer-coated C18 stationary phase with high carbon content for liquid chromatography

Shinichi Kobayashi, Isao Tanaka, Osamu Shirota, Taketoshi Kanda, Yutaka Ohtsu

Journal:

Journal of Chromatography A

Year:

1998

Language:

english

File:

PDF, 134 KB

english, 1998

43

Two phenylpropanoid glycosides from Sparganium stoloniferum

Osamu Shirota, Setsuko Sekita, Motoyoshi Satake

Journal:

Year:

1997

Language:

english

File:

PDF, 297 KB

english, 1997

44

Triterpenoid saponin from Vaccaria segetalis

Young Sook Yun, Kazuhiro Shimizu, Hiroshi Morita, Koichi Takeya, Hideji Itokawa, Osamu Shirota

Journal:

Year:

1998

Language:

english

File:

PDF, 180 KB

english, 1998

45

Two chalcone-prenylcoumarin diels-alder adducts from Brosimum rubescens

Osamu Shirota, Setsuko Sekita, Yutaka Hirayama, Yusuke Hakamata, Tatsuo Hayashi, Takuma Yanagawa, Motoyoshi Satake

Journal:

Year:

1998

Language:

english

File:

PDF, 423 KB

english, 1998

46

Antiandrogenic phenolic constituents from Dalbergia cochinchinensis

Vibha Pathak, Osamu Shirota, Setsuko Sekita, Yutaka Hirayama, Yusuke Hakamata, Tatsuo Hayashi, Takuma Yanagawa, Motoyoshi Satake

Journal:

Year:

1997

Language:

english

File:

PDF, 456 KB

english, 1997

47

Phytosphingosines — a facile synthesis and spectroscopic protocol for configurational assignment

Osamu Shirota, Koji Nakanishi, Nina Berova

Journal:

Year:

1999

Language:

english

File:

PDF, 1.19 MB

english, 1999

48

New triterpene dimers from maytenus ilicifolia

Hideji Itokawa, Osamu Shirota, Hiroshi Morita, Koichi Takeya, Nobuo Tomioka, Akiko Itai

Journal:

Tetrahedron Letters

Year:

1990

File:

PDF, 138 KB

1990

49

Direct determination of methamphetamine enantiomers in urine by liquid chromatography with a strong cation-exchange precolumn and phenyl-β-cyclodextrin-bonded semi-microcolumn

Yukiko Makino, Ayako Suzuki, Takashi Ogawa, Osamu Shirota

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1999

Language:

english

File:

PDF, 161 KB

english, 1999

50

Direct determination of pindolol enantiomers in human serum by column-switching LC-MS/MS using a phenylcarbamate-β-cyclodextrin chiral column

Akira Motoyama, Ayako Suzuki, Osamu Shirota, Ryujiro Namba

Journal:

Journal of Pharmaceutical and Biomedical Analysis

Year:

2002

Language:

english

File:

PDF, 253 KB

english, 2002