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101

A 6-substituted-5,6-dihydro-2-pyrone from Cryptocarya strictifolia

Lia Dewi Juliawaty, Mariko Kitajima, Hiromitsu Takayama, Sjamsul Arifin Achmad, Norio Aimi

Journal:

Year:

2000

Language:

english

File:

PDF, 149 KB

english, 2000

102

Alkaloids from Rauwolfia serpentina cell cultures treated with ajmaline

Susanne Endreß, Hiromitsu Takayama, Shinya Suda, Mariko Kitajima, Norio Aimi, Shin-Ichiro Sakai, Joachim Stöckigt

Journal:

Year:

1993

Language:

english

File:

PDF, 827 KB

english, 1993

103

Metabolite profiling of alkaloids and strictosidine synthase activity in camptothecin producing plants

Yasuyo Yamazaki, Akiko Urano, Hiroshi Sudo, Mariko Kitajima, Hiromitsu Takayama, Mami Yamazaki, Norio Aimi, Kazuki Saito

Journal:

Year:

2003

Language:

english

File:

PDF, 326 KB

english, 2003

104

Two oligostilbenes, cis- and trans-diptoindonesin B, from Dryobalanops oblongifolia

Yana M Syah, Nanik S Aminah, Euis H Hakim, Norio Aimi, Mariko Kitajima, Hiromitsu Takayama, Sjamsul A Achmad

Journal:

Year:

2003

Language:

english

File:

PDF, 189 KB

english, 2003

105

Anthraquinones from Morinda elliptica

Nor Hadiani Ismail, Abdul M. Ali, Norio Aimi, Mariko Kitajima, Hiromitsu Takayama, Nordin H. Lajis

Journal:

Year:

1997

Language:

english

File:

PDF, 232 KB

english, 1997

106

Anthraquinones from Ophiorrhiza pumila tissue and cell cultures

Mariko Kitajima, Ute Fischer, Mio Nakamura, Mika Ohsawa, Masahiro Ueno, Hiromitsu Takayama, Matthias Unger, Joachim Stöckigt, Norio Aimi

Journal:

Year:

1998

Language:

english

File:

PDF, 460 KB

english, 1998

107

Formation of a Novel 1-Aza-tricyclo[5.3.0.04,8]decane System via Tandem Radical Cyclization of a Tryptophan Derivative

Hiromitsu Takayama, Fumio Watanabe, Asako Kuroda, Mariko Kitajima, Norio Aimi

Journal:

Year:

2000

Language:

english

File:

PDF, 120 KB

english, 2000

108

A biomimetic synthesis of a novel seco indole alkaloid, 11-methoxygelsemamide

Hiromitsu Takayama, Mariko Kitajima, Shin-ichiro Sakai

Journal:

Year:

1994

Language:

english

File:

PDF, 599 KB

english, 1994

109

An efficient synthetic pathway to the macroline-type indole alkaloids, talcarpine and alstonerine from ajmaline.

Hiromitsu Takayama, Chada Phisalaphong, Mariko Kitajima, Norio Aimi, Shin-ichiro Sakai

Journal:

Year:

1991

Language:

english

File:

PDF, 697 KB

english, 1991

110

A biomimetic synthesis of a new skeletal Gelsemium alkaloid, 11-methoxy-19(R)-hydroxygelselegine

Hiromitsu Takayama, Mariko Kitajima, Shin-ichiro Sakai

Journal:

Year:

1994

Language:

english

File:

PDF, 605 KB

english, 1994

111

Camptothecin-related alkaloids from hairy roots of Ophiorrhiza pumila

Mariko Kitajima, Satoshi Yoshida, Kyoko Yamagata, Mio Nakamura, Hiromitsu Takayama, Kazuki Saito, Hiroko Seki, Norio Aimi

Journal:

Year:

2002

Language:

english

File:

PDF, 339 KB

english, 2002

112

Two New 19-Hydroxyursolic Acid-type Triterpenes from Peruvian ‘Uña de Gato’ (Uncaria tomentosa)

Mariko Kitajima, Ken-ichiro Hashimoto, Masashi Yokoya, Hiromitsu Takayama, Norio Aimi

Journal:

Year:

2000

Language:

english

File:

PDF, 141 KB

english, 2000

113

On the indole alkaloid, nauclefidine; structure revision, synthesis, and a biomimetic transformation from the vincoside lactam

Hiromitsu Takayama, Rieko Yamamoto, Mika Kurihara, Mariko Kitajima, Norio Aimi, Lin Mao, Shin-ichiro Sakai

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 267 KB

english, 1994

114

Structure revision of mitragynaline, an indole alkaloid in Mitragyna speciosa

Hiromitsu Takayama, Hayato Ishikawa, Mika Kurihara, Mariko Kitajima, Shin-ichiro Sakai, Norio Aimi, Hiroko Seki, Kentaro Yamaguchi, Ikram M Said, Peter J Houghton

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 68 KB

english, 2001

115

A new alkaloid, pandanamine; finding of an anticipated biogenetic intermediate in Pandanus amaryllifolius Roxb

Hiromitsu Takayama, Tomotake Ichikawa, Mariko Kitajima, Norio Aimi, Dazy Lopez, Maribel G Nonato

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 56 KB

english, 2001

116

Seven new Lycopodium alkaloids, lycoposerramines-C, -D, -E, -P, -Q, -S, and -U, from Lycopodium serratum Thunb.

Hiromitsu Takayama, Kazuaki Katakawa, Mariko Kitajima, Kentaro Yamaguchi, Norio Aimi

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 298 KB

english, 2002

117

First total synthesis and determination of the absolute configuration of strictifolione, a new 6-(ω-phenylalkenyl)-5,6-dihydro-α-pyrone, isolated from Cryptocarya strictifolia

Lia Dewi Juliawaty, Yoshimi Watanabe, Mariko Kitajima, Sjamsul Arifin Achmad, Hiromitsu Takayama, Norio Aimi

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 203 KB

english, 2002

118

A novel neolignan, mansoxetane, and two new sesquiterpenes, mansonones R and S, from Mansonia gagei

Pattara Tiew, Hiromitsu Takayama, Mariko Kitajima, Norio Aimi, Udom Kokpol, Warinthorn Chavasiri

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 120 KB

english, 2003

119

Isolation and partial synthesis of 3(R)- and 3(S)-deoxypumiloside; structural revision of the key metabolite from the camptothecin producing plant, Ophiorrhiza pumila

Mariko Kitajima, Seiji Masumoto, Hiromitsu Takayama, Norio Aimi

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 225 KB

english, 1997

120

A radical cyclization strategy for the concise total synthesis of (±)-geissoschizine

Hiromitsu Takayama, Fumio Watanabe, Mariko Kitajima, Norio Aimi

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 235 KB

english, 1997

121

Constituents of regenerated plants of Ophiorrhiza pumila; formation of a new glycocamptothecin and predominant formation of (3R)-deoxypumiloside over (3S)-congener

Mariko Kitajima, Mio Nakamura, Hiromitsu Takayama, Kazuki Saito, Joachim Stöckigt, Norio Aimi

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 225 KB

english, 1997

122

The dose-related hypoglycemic effects of insulin emulsions incorporating highly purified EPA and DHA

Mariko Morishita, Masako Kajita, Atsuyuki Suzuki, Kozo Takayama, Yoshiyuki Chiba, Shingi Tokiwa, Tsuneji Nagai

Journal:

International Journal of Pharmaceutics

Year:

2000

Language:

english

File:

PDF, 189 KB

english, 2000

123

Pluronic® F-127 gels incorporating highly purified unsaturated fatty acids for buccal delivery of insulin

Mariko Morishita, Jose Mario Barichello, Kozo Takayama, Yoshiyuki Chiba, Shinji Tokiwa, Tsuneji Nagai

Journal:

International Journal of Pharmaceutics

Year:

2001

Language:

english

File:

PDF, 85 KB

english, 2001

124

The effects of water-soluble cyclodextrins on the histological integrity of the rat nasal mucosa

Kazunori Asai, Mariko Morishita, Hideo Katsuta, Shoji Hosoda, Katsuhiko Shinomiya, Masahiro Noro, Tsuneji Nagai, Kozo Takayama

Journal:

International Journal of Pharmaceutics

Year:

2002

Language:

english

File:

PDF, 916 KB

english, 2002

125

Improving insulin enteral absorption using water-in-oil-in-water emulsion

Mariko Morishita, Ayako Matsuzawa, Kozo Takayama, Koichi Isowa, Tsuneji Nagai

Journal:

International Journal of Pharmaceutics

Year:

1998

Language:

english

File:

PDF, 386 KB

english, 1998

126

Enhanced rectal absorption of insulin-loaded Pluronic® F-127 gels containing unsaturated fatty acids

Jose Mario Barichello, Mariko Morishita, Kozo Takayama, Yoshiyuki Chiba, Shinji Tokiwa, Tsuneji Nagai

Journal:

International Journal of Pharmaceutics

Year:

1999

Language:

english

File:

PDF, 114 KB

english, 1999

127

Absorption of insulin from Pluronic F-127 gels following subcutaneous administration in rats

Jose Mario Barichello, Mariko Morishita, Kozo Takayama, Tsuneji Nagai

Journal:

International Journal of Pharmaceutics

Year:

1999

Language:

english

File:

PDF, 159 KB

english, 1999

128

In vivo effects of highly purified docosahexaenoic acid on rectal insulin absorption

Yoshinori Onuki, Mariko Morishita, Kozo Takayama, Sinji Tokiwa, Yoshiyuki Chiba, Koichi Isowa, Tsuneji Nagai

Journal:

International Journal of Pharmaceutics

Year:

2000

Language:

english

File:

PDF, 306 KB

english, 2000

129

Discovery of anti-influenza A virus activity of a corynanthe-type indole alkaloid, hirsutine, in vitro and the structure-activity relationship of natural and synthetic analogs

Hiromitsu Takayama, Yasuo Iimura, Mariko Kitajima, Norio Aimi, Kenji Konno, Hiroshi Inoue, Masatoshi Fujiwara, Tadashi Mizuta, Tomoyuki Yokota, Shiro Shigeta, Kenji Tokuhisa, Yasuaki Hanasaki, Kimio K

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1997

Language:

english

File:

PDF, 211 KB

english, 1997

130

Isolation and characterization of microsatellite loci in the red mangroveRhizophora mangle(Rhizophoraceae) and its related species

Koji Takayama, Mariko Tamura, Yoichi Tateishi, Tadashi Kajita

Journal:

Conservation Genetics

Year:

2008

Language:

english

File:

PDF, 152 KB

english, 2008

131

Region-Dependent Role of the Mucous/Glycocalyx Layers in Insulin Permeation Across Rat Small Intestinal Membrane

Yoshinobu Aoki, Mariko Morishita, Kazunori Asai, Bunshiro Akikusa, Shuji Hosoda, Kozo Takayama

Journal:

Pharmaceutical Research

Year:

2005

Language:

english

File:

PDF, 626 KB

english, 2005

132

Novel Mucosal Insulin Delivery Systems Based on Fusogenic Liposomes

Takahiro Goto, Mariko Morishita, Ken Nishimura, Mahito Nakanishi, Atsushi Kato, Jumpei Ehara, Kozo Takayama

Journal:

Pharmaceutical Research

Year:

2006

Language:

english

File:

PDF, 622 KB

english, 2006

133

A new indole alkaloid, 7-hydroxyspeciociliatine, from the fruits of MalaysianMitragyna speciosaand its opioid agonistic activity

Mariko Kitajima, Kaori Misawa, Noriyuki Kogure, Ikram M. Said, Syunji Horie, Yoshio Hatori, Toshihiko Murayama, Hiromitsu Takayama

Journal:

Journal of Natural Medicines

Year:

2006

Language:

english

File:

PDF, 284 KB

english, 2006

134

Prenylated flavonoids and related compounds of the IndonesianArtocarpus(Moraceae)

Euis H. Hakim, Sjamsul A. Achmad, Lia D. Juliawaty, Lukman Makmur, Yana M. Syah, Norio Aimi, Mariko Kitajima, Hiromitsu Takayama, Emilio L. Ghisalberti

Journal:

Journal of Natural Medicines

Year:

2007

Language:

english

File:

PDF, 123 KB

english, 2007

135

New heteroyohimbine-type oxindole alkaloid from the leaves of ThaiMitragyna hirsuta

Mariko Kitajima, Terumi Nakayama, Noriyuki Kogure, Sumphan Wongseripipatana, Hiromitsu Takayama

Journal:

Journal of Natural Medicines

Year:

2007

Language:

english

File:

PDF, 156 KB

english, 2007

136

Total synthesis and full NMR assignment of ourouparine, a yohimbane-type indole alkaloid isolated fromGelsemiumsempervirens

Noriyuki Kogure, Ayumi Someya, Akiko Urano, Mariko Kitajima, Hiromitsu Takayama

Journal:

Journal of Natural Medicines

Year:

2007

Language:

english

File:

PDF, 177 KB

english, 2007

137

Antitubercular triterpenes and phytosterols fromPandanus tectoriusSoland. var.laevis

Mario A. Tan, Hiromitsu Takayama, Norio Aimi, Mariko Kitajima, Scott G. Franzblau, Maribel G. Nonato

Journal:

Journal of Natural Medicines

Year:

2008

Language:

english

File:

PDF, 237 KB

english, 2008

138

Flavonols fromBauhinia malabarica

Rawiwun Kaewamatawong, Mariko Kitajima, Noriyuki Kogure, Hiromitsu Takayama

Journal:

Journal of Natural Medicines

Year:

2008

Language:

english

File:

PDF, 164 KB

english, 2008

139

Kopsiyunnanines F and isocondylocarpines: new tubotaiwine-type alkaloids from YunnanKopsia arborea

Yuqiu Wu, Mariko Kitajima, Noriyuki Kogure, Yunsong Wang, Rongping Zhang, Hiromitsu Takayama

Journal:

Journal of Natural Medicines

Year:

2009

Language:

english

File:

PDF, 377 KB

english, 2009

140

Amides, triterpene and flavonoids from the leaves ofMelastoma malabathricumL.

Hasnah M. Sirat, Deny Susanti, Farediah Ahmad, Hiromitsu Takayama, Mariko Kitajima

Journal:

Journal of Natural Medicines

Year:

2010

Language:

english

File:

PDF, 224 KB

english, 2010

141

Inhibitory effect of Iboga-type indole alkaloids on capsaicin-induced contraction in isolated mouse rectum

Mee Wah Lo, Kenjiro Matsumoto, Masumi Iwai, Kimihito Tashima, Mariko Kitajima, Syunji Horie, Hiromitsu Takayama

Journal:

Journal of Natural Medicines

Year:

2011

Language:

english

File:

PDF, 366 KB

english, 2011

142

Bioactive metabolites ofDiaporthesp. P133, an endophytic fungus isolated fromPandanus amaryllifolius

Melfei E. Bungihan, Mario A. Tan, Mariko Kitajima, Noriyuki Kogure, Scott G. Franzblau, Thomas Edison E. dela Cruz, Hiromitsu Takayama, Maribel G. Nonato

Journal:

Journal of Natural Medicines

Year:

2011

Language:

english

File:

PDF, 261 KB

english, 2011

143

Isolation and characterization of microsatellite loci in a mangrove species,Rhizophora stylosa(Rhizophoraceae)

Koji Takayama, Mariko Tamura, Yoichi Tateishi, Tadashi Kajita

Journal:

Conservation Genetics Resources

Year:

2009

Language:

english

File:

PDF, 153 KB

english, 2009

144

A biomimetic construction of humantenine skeleton

Hiromitsu Takayama, Kazunao Masubuchi, Mariko Kitajima, Norio Aimi, Shin-ichiro Sakai

Journal:

Year:

1989

Language:

english

File:

PDF, 727 KB

english, 1989

145

Utilization of wieland furoxan synthesis for preparation of 4-aryl-1,2,5-oxadiazole-3-yl carbamate derivatives having potent anti-HIV activity

Hiromitsu Takayama, Seiichiro Shirakawa, Mariko Kitajima, Norio Aimi, Kentaro Yamaguchi, Yasuaki Hanasaki, Teruhiko Ide, Kimio Katsuura, Masatoshi Fujiwara, Katsushi Ijichi, Kenji Konno, Shiro Sigeta,

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1996

Language:

english

File:

PDF, 218 KB

english, 1996

146

Carboxymethylation of kappa-carrageenan for intestinal-targeted delivery of bioactive macromolecules

Kok Hoong Leong, Lip Yong Chung, Mohamed Ibrahim Noordin, Khalit Mohamad, Masato Nishikawa, Yoshinori Onuki, Mariko Morishita, Kozo Takayama

Journal:

Carbohydrate Polymers

Year:

2011

Language:

english

File:

PDF, 1.03 MB

english, 2011

147

Spectroscopic analyses and chemical transformation for structure elucidation of two novel indole alkaloids from Gelsemium elegans

Yousuke Yamada, Mariko Kitajima, Noriyuki Kogure, Sumphan Wongseripipatana, Hiromitsu Takayama

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 382 KB

english, 2009

148

Structure Elucidation and Chiral-Total Synthesis of a New Indole Alkaloid, (−)-9-Methoxymitralactonine, Isolated from Mitragyna speciosa in Malaysia

Hiromitsu Takayama, Mika Kurihara, Mariko Kitajima, Ikram M. Said, Norio Aimi

Journal:

Year:

2000

Language:

english

File:

PDF, 136 KB

english, 2000

149

Structure and Synthesis of a New Indole Alkaloid, 19 (S)-Hydroxy-Nb-methylraumacline, Obtained by the Biotransformation of Ajmaline in Plant Cell Cultures of Rauwolfia Serpentina Benth.

Hiromitsu Takayama, Mariko Kitajima, Shinya Suda, Norio Aimi, Shin-ichiro Sakai, Susanne Endreβ, Joachim Stöckigt

Journal:

Year:

1992

Language:

english

File:

PDF, 620 KB

english, 1992

150

Stereochemical studies on the Uncaria alkaloid, 3-oxo-7-hydroxy-3,7-secorhynchophylline: The absolute configuration of 3-hydroxyoxindole derivatives

Hiromitsu Takayama, Toshikazu Shimizu, Hiroyuki Sada, Yuriko Harada, Mariko Kitajima, Norio Aimi

Journal:

Year:

1999

Language:

english

File:

PDF, 374 KB

english, 1999