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1

Über die kristall- und molekülstruktur und die absolute konfiguration des (+)-14-epicorynolin-bromacetats

N. Takao, M. Kamigauchi, K. Iwasa, K. Tomita, T. Fujiwara, A. Wakahara

Journal:

Year:

1979

File:

PDF, 735 KB

1979

2

Conformational change of ascidiacyclamide caused by asymmetric modification for an isoleucine residue: Structural analyses of [Gly], [Leu], and [Phe]ascidiacyclamides by X-ray diffraction and NMR spectroscopy

Mitsunobu Doi, Fumiyoshi Shinozaki, Yasuko In, Toshimasa Ishida, Daisuke Yamamoto, Miyoko Kamigauchi, Makiko Sugiura, Yasumasa Hamada, Kohfuku Kohda, Takayuki Shioiri

Journal:

Year:

1999

Language:

english

File:

PDF, 173 KB

english, 1999

3

Stereochemie von Hydrobenzo[c]phenanthridin-Alkaloiden. Chiroptische Eigenschaften und absolute Konfiguration von (+)- 14-Epicorynolin, (+)-Corynolin, (+)-Chelidonin und verwandten Verbindungen

Narao Takao, Miyoko Kamigauchi, Kinuko Iwasa, Noriko Morita, Kaoru Kuriyama

Journal:

Archiv der Pharmazie

Year:

1984

File:

PDF, 683 KB

1984

4

Biotransformation of Phthalideisoquinoline Alkaloids by Corydalis Tissue Cultures

Kinuko Iwasa, Miyoko Kamigauchi, Narao Takao

Journal:

Archiv der Pharmazie

Year:

1987

Language:

english

File:

PDF, 202 KB

english, 1987

5

Chiroptical Properties of (+)-Corycavine and Corycavamine

Miyoko Kamigauchi, Yuko Noda, Kinuko Iwasa, Narao Takao, Wolfgang Wiegrebe

Journal:

Archiv der Pharmazie

Year:

1992

Language:

english

File:

PDF, 389 KB

english, 1992

6

Conformational Studies of Hexahydro-benzo[c]phenanthridine Alkaloids: Solid and Solution Conformations of Deoxycorynoline

Miyoko Kamigauchi, Yuko Miyamoto, Kinuko Iwasa, Narao Takao, Toshimasa Ishida, Yasuko In, Masatoshi Inoue

Journal:

Archiv der Pharmazie

Year:

1993

Language:

english

File:

PDF, 405 KB

english, 1993

7

Solid-State Features of (-)-Corycavine, an Optically Active Protopine Alkaloid

Miyoko Kamigauchi, Yuko Noda, Kinuko Iwasa, Zjujiro Nishijo, Narao Takao

Journal:

Archiv der Pharmazie

Year:

1993

Language:

english

File:

PDF, 407 KB

english, 1993

8

ChemInform Abstract: Terprenins, Novel Immunosuppressants Produced by Aspergillus candidus.

T. KAMIGAUCHI, ET AL. ET AL.

Journal:

Year:

1998

File:

PDF, 26 KB

1998

9

ChemInform Abstract: Bisabosquals, Novel Squalene Synthase Inhibitors. Part 2. Physicochemical Properties and Structure Elucidation.

Kazuyuki Minagawa, Shuichi Kouzuki, Kazuhide Nomura, Yoshimi Kawamura, Hiroyoshi Tani, Yoshihiro Terui, Hiroshi Nakai, Toshiyuki Kamigauchi

Journal:

Year:

2002

File:

PDF, 24 KB

2002

10

ChemInform Abstract: Bisabosquals, Novel Squalene Synthase Inhibitors. Part 1. Taxonomy, Fermentation, Isolation and Biological Activities.

Kazuyuki Minagawa, Shuichi Kouzuki, Kazuhide Nomura, Takahiro Yamaguchi, Yoshimi Kawamura, Keisuke Matsushima, Hiroyoshi Tani, Kikuo Ishii, Tatsuo Tanimoto, Toshiyuki Kamigauchi

Journal:

Year:

2002

File:

PDF, 27 KB

2002

11

ChemInform Abstract: Stachyflin and Acetylstachyflin, Novel Anti-Influenza A Virus Substances, Produced by Stachybotrys sp. RF-7260. Part 2. Synthesis and Preliminary Structure—Activity Relationships of Stachyflin Derivatives.

Kazuyuki Minagawa, Shuichi Kouzuki, Toshiyuki Kamigauchi

Journal:

Year:

2002

File:

PDF, 32 KB

2002

12

ChemInform Abstract: Novel Stachyflin Derivatives from Stachybotrys sp. RF-7260. Fermentation, Isolation, Structure Elucidation and Biological Activities.

Kazuyuki Minagawa, Shuichi Kouzuki, Hiroyoshi Tani, Kikuo Ishii, Tatsuo Tanimoto, Yoshihiro Terui, Toshiyuki Kamigauchi

Journal:

Year:

2002

File:

PDF, 31 KB

2002

13

Guest-dependent conformation of 18-crown-6 tetracarboxylic acid: Relation to chiral separation of racemic amino acids

Hiroomi Nagata, Hiroyuki Nishi, Miyoko Kamigauchi, Toshimasa Ishida

Journal:

Year:

2008

Language:

english

File:

PDF, 164 KB

english, 2008

14

Biosynthesis of Benzo[c]phenanthridine Alkaloids Sanguinarine, Chelirubine and Macarpine

Narao Takao, Miyoko Kamigauchi, Momoyo Okada

Journal:

Helvetica Chimica Acta

Year:

1983

Language:

english

File:

PDF, 797 KB

english, 1983

15

X-Ray Crystallographic and MO Studies on the Conformation of Corynoline and the Related Compounds

Miyoko Kamigauchi, Yuko Noda, Narao Takao, Toshimasa Ishida, Masatoshi Inoue

Journal:

Helvetica Chimica Acta

Year:

1986

Language:

english

File:

PDF, 298 KB

english, 1986

16

The Solid and Solution Conformations of (±)-Corycavine

Miyoko Kamigauchi, Kinuko Iwasa, Narao Takao, Toshimasa Ishida, Masatoshi Inoue

Journal:

Helvetica Chimica Acta

Year:

1987

Language:

english

File:

PDF, 267 KB

english, 1987

17

The Solid-State and Solution Conformations of (+)-Chelidonine

Miyoko Kamigauchi, Yuko Miyamoto, Kinuko Iwasa, Makiko Sugiura, Zjujiro Nishijo, Narao Takao, Toshimasa Ishida, Yasuko In, Masatoshi Inoue

Journal:

Helvetica Chimica Acta

Year:

1990

Language:

english

File:

PDF, 409 KB

english, 1990

18

Crystal Structure of (−)-Corycavinium (+)-10-Camphorsulfonate, a biosynthetic intermediate to hexahydrobenzo[c]phenanthridine alkaloids

Miyoko Kamigauchi, Yuko Noda, Kinuko Iwasa, Zjujiro Nishijo, Toshimasa Ishida, Yasuko In, Wolfgang Wiegrebe

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 532 KB

english, 1994

19

Conformational Features of 7,8,13β,14α-Tetrahydro-N7-methylcorysaminium, a biosynthetic intermediate to the protopine-type alkaloid corycavine

Miyoko Kamigauchi, Yuko Noda, Kinuko Iwasa, Zjujiro Nishijo, Thoshimasa Ishida, Yasuko In

Journal:

Helvetica Chimica Acta

Year:

1995

Language:

english

File:

PDF, 345 KB

english, 1995

20

Berberine/γ-Cyclodextrin Inclusion Structure Studied by 1H-NMR Spectroscopy and Molecular-Dynamics Calculations

Miyoko Kamigauchi, Narumi Kanbara, Makiko Sugiura, Kinuko Iwasa, Hirofumi Ohishi, Toshimasa Ishida

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 161 KB

english, 2004

21

γ-Cyclodextrin as Inhibitor of the Precipitation Reaction between Berberine and Glycyrrhizin in Decoctions of Natural Medicines: Interaction Studies of Cyclodextrins with Glycyrrhizin and Glycyrrhetic Acid by 1H-NMR Spectroscopy and Molecular-Dynamics Calculation

Miyoko Kamigauchi, Kazuko Kawanishi, Makiko Sugiura, Hirofumi Ohishi, Toshimasa Ishida

Journal:

Helvetica Chimica Acta

Year:

2008

Language:

english

File:

PDF, 457 KB

english, 2008

22

Conformational Studies of (±)-11,12-Didehydro-11-deoxycorynoline and (+)-11,13-Didehydro-11-deoxychelidonine, Hexahydrobenzo[c]phenanthridine-Type Alkaloid Derivatives, by X-Ray Crystal Structure and NMR Analyses

Miyoko Kamigauchi, Yukiko Maekawa, Chisato Tode, Yasuko In, Toshimasa Ishida

Journal:

Helvetica Chimica Acta

Year:

2010

Language:

english

File:

PDF, 253 KB

english, 2010

23

Study of Lysozyme Glycation Reaction by Mass Spectrometry and NMR Spectroscopy

Yukiko Maekawa, Makiko Sugiura, Atsuko Takeuchi, Koji Tomoo, Toshimasa Ishida, Miyoko Kamigauchi

Journal:

Helvetica Chimica Acta

Year:

2010

Language:

english

File:

PDF, 175 KB

english, 2010

24

O-Methylating enzymes of dopamine and dopamine derived tetrahydroisoquinoline, salsolinol

K. Iwasa, M. Kamigauchi, K. Saiki, N. Takao, W. Wiegrebe

Journal:

Year:

1993

Language:

english

File:

PDF, 491 KB

english, 1993

25

Effects of pyrogallol on O-methylation of dopamine and salsolinol

K. Iwasa, Y. Kondoh, M. Kamigauchi, D.U. Lee, U. Tanner, W. Wiegrebe

Journal:

Year:

1995

Language:

english

File:

PDF, 503 KB

english, 1995

26

13-hydroxylation of tetrahydroberberine in cell suspension cultures of some Corydalis species

K. Iwasa, M. Kamigauchi

Journal:

Year:

1996

Language:

english

File:

PDF, 319 KB

english, 1996

27

Antibacterial activity and structure-activity relationships of berberine analogs

K Iwasa, M Kamigauchi, M Ueki, M Taniguchi

Journal:

European Journal of Medicinal Chemistry

Year:

1996

Language:

english

File:

PDF, 820 KB

english, 1996

28

Cell adhesion inhibitory activity of (d)-corynoline, a hexahydrobenzo[c]phenanthridine-type alkaloid, and its structure–activity relationship, studied by X-ray crystal structure analysis and molecular docking study

Miyoko Kamigauchi, Yuko Noda, Jujiro Nishijo, Katsuhide Iwasaki, Kenji Tobetto, Yasuko In, Koji Tomoo, Toshimasa Ishida

Journal:

Bioorganic & Medicinal Chemistry

Year:

2005

Language:

english

File:

PDF, 289 KB

english, 2005

29

Metabolism of salsolinol by tissue cultures of some Papaveraceae

K. Iwasa, M. Kamigauchi, N. Takao

Journal:

Year:

1991

Language:

english

File:

PDF, 307 KB

english, 1991

30

X-ray analysis of dibromogriseusin A, revised absolute configuration of griseusins

Naoki Tsuji, Toshiyuki Kamigauchi, Hiroshi Nakai, Motoo Shiro

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 116 KB

english, 1983

31

Formation of benzo[c]phenanthridines by oxidative CN bond fission of protoberberines followed by intramolecular recyclization in cell cultures of corydalis incisa

Kinuko Iwasa, Miyoko Kamigauchi, Narao Takao, Mark Cushman, Wai Cheong Wong, Jer-kang Chen

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 238 KB

english, 1988

32

Absolute konfiguration des (+)-14-epicorynolin-bromoacetats

Narao Takao, Miyoko Kamigauchi, Kinuko Iwasa, Ken-ichi Tomita, Takaji Fujiwara, Akio Wakahara

Journal:

Tetrahedron Letters

Year:

1974

File:

PDF, 151 KB

1974

33

Absolute konfiguration von (+)-chelidonin-p-brombenzoat

N. Takao, N. Bessho, M. Kamigauchi, K. Iwasa, K. Tomita, T. Fujiwara, S. Fujii

Journal:

Tetrahedron Letters

Year:

1979

Language:

german

File:

PDF, 134 KB

german, 1979

34

Linarienone, a new cis-clerodane-type diterpene from the subterranean part of Linaria japonica Miq.

Isao Kitagawa, Minoru Yoshihara, Toshiyuki Kamigauchi

Journal:

Tetrahedron Letters

Year:

1977

Language:

english

File:

PDF, 235 KB

english, 1977

35

Conformational comparison of µ-selective endomorphin-2 with its C-terminal free acid in DMSO solution, by 1H NMR spectroscopy and molecular modeling calculation

Y. In, K. Minoura, H. Ohishi, T. Ishida, H. Minakata, M. Kamigauchi, M. Sugiura

Journal:

Chemical Biology & Drug Design

Year:

2001

Language:

english

File:

PDF, 495 KB

english, 2001

36

Die absolute konfiguration des (+)-corynolins

N. Takao, M. Kamigauchi, K. Iwasa

Journal:

Year:

1979

File:

PDF, 285 KB

1979

37

ChemInform Abstract: Salfredins, New Aldose Reductase Inhibitors Produced by Crucibulum sp. RF-3817. Part 1. Fermentation, Isolation and Structures of Salfredins.

K. MATSUMOTO, K. NAGASHIMA, T. KAMIGAUCHI, Y. KAWAMURA, Y. YASUDA, K. ISHII, N. UOTANI, T. SATO, H. NAKAI, Y. TERUI, J. KIKUCHI, Y. IKENISI, T. YOSHIDA, T. KATO, H. ITAZAKI

Journal:

Year:

1995

File:

PDF, 29 KB

1995

38

Studies on the Metabolism of Quaternary Protoberberine Alkaloids in Cell Cultures of Corydalis pallida var. tenuis and Corydalis incisa

Iwasa, Kinuko, Kondoh, Yoshie, Kamigauchi, Miyoko

Journal:

Journal of Natural Products

Year:

1995

Language:

english

File:

PDF, 648 KB

english, 1995

39

Structural scaffold of 18-crown-6 tetracarboxylic acid for optical resolution of chiral amino acid: X-ray crystal analyses and energy calculations of complexes of d- and l-isomers of tyrosine, isoleucine, methionine and phenylglycine

Nagata, Hiroomi, Nishi, Hiroyuki, Kamigauchi, Miyoko, Ishida, Toshimasa

Journal:

Organic & Biomolecular Chemistry

Year:

2004

Language:

english

File:

PDF, 240 KB

english, 2004

40

Biotransformation of the Protoberberines into Benzindanoazepine- and Spirobenzylisoquinoline-Type Alkaloids by Tissue Cultures of Several Corydalis Species

Iwasa, Kinuko, Kamigauchi, Miyoko, Takao, Narao

Journal:

Journal of Natural Products

Year:

1988

Language:

english

File:

PDF, 243 KB

english, 1988

41

Synthesis and evaluation of hypothetical intermediates in the biosynthetic conversion of protoberberine to benzo[c]phenanthridine alkaloids. Evidence for oxidative carbon-nitrogen bond fission followed by intramolecular recyclization in cell cultures of Corydalis incisa

Iwasa, Kinuko, Kamigauchi, Miyoko, Takao, Narao, Cushman, Mark, Chen, Jer Kang, Wong, Wai Cheong, McKenzie, Ann

Journal:

Journal of the American Chemical Society

Year:

1989

Language:

english

File:

PDF, 829 KB

english, 1989

42

Stereochemical Studies on the Biosynthesis of Protoberberine, Protopine, and Benzophenanthridine Alkaloids Using Papaveraceae Plant Cell Cultures

Iwasa, Kinuko, Kamigauchi, Miyoko, Takao, Narao, Cushman, Mark

Journal:

Journal of Natural Products

Year:

1993

Language:

english

File:

PDF, 846 KB

english, 1993

43

Biotransformation of Phenolic Tetrahydroprotoberberines in Plant Cell Cultures Followed by LC-NMR, LC-MS, and LC-CD

Iwasa, Kinuko, Cui, Wenhua, Takahashi, Teturo, Nishiyama, Yumi, Kamigauchi, Miyoko, Koyama, Junko, Takeuchi, Atsuko, Moriyasu, Masataka, Takeda, Kazuyoshi

Journal:

Journal of Natural Products

Year:

2010

Language:

english

File:

PDF, 853 KB

english, 2010

44

The Preparation of the Biosynthetic Precursor 3,7-Dihydroxy-2,6-Dimethoxyphenanthroindolizidine

Iwasa, Kinuko, Kamigauchi, Miyoko, Takao, Narao, Wiegrebe, Wolfgang

Journal:

Journal of Natural Products

Year:

1988

Language:

english

File:

PDF, 263 KB

english, 1988

45

Conformations of Phthalideisoquinoline Salts and N-Oxides

Iwasa, Kinuko, Kamigauchi, Miyoko, Sugiura, Makiko, Takao, Narao

Journal:

Journal of Natural Products

Year:

1987

Language:

english

File:

PDF, 338 KB

english, 1987

46

Transformations of (±)-Salsolinol into Optically Active O- and/or N-Methylated Derivatives by Several Papaveraceae Plants and Their Tissue-Cultured Cells

Iwasa, Kinuko, Kamigauchi, Miyoko, Takao, Narao

Journal:

Journal of Natural Products

Year:

1992

Language:

english

File:

PDF, 304 KB

english, 1992

47

Conformational properties of ulithiacyclamide, a strongly cytotoxic cyclic peptide from a marine tunicate, determined by 1H nuclear magnetic resonance and energy minimization calculations

Ishida, Toshimasa, Ohishi, Hirofumi, Inoue, Masatoshi, Kamigauchi, Miyoko, Sugiura, Makiko, Takao, Narao, Kato, Shinji, Hamada, Yasumasa, Shioiri, Takayuki

Journal:

Journal of Organic Chemistry

Year:

1989

Language:

english

File:

PDF, 832 KB

english, 1989

48

Solution Conformations of Patellamides B and C, Cytotoxic Cyclic Hexapeptides from Marine Tunicate, Determined by NMR Spectroscopy and Molecular Dynamics

Ishida, Toshimasa, In, Yasuko, Shinozaki, Fumiyoshi, Doi, Mitsunobu, Yamamoto, Daisuke, Hamada, Yasumasa, Shioiri, Takayuki, Kamigauchi, Miyoko, Sugiura, Makiko

Journal:

Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 801 KB

english, 1995

49

1H NMR and X-ray conformational analyses of (+)-corydalic acid methyl ester, a 6,7-secoberbine alkaloid

Kamigauchi, Miyoko, Noda, Yuko, Iwasa, Kinuko, Sugiura, Makiko, Nishijo, Zjujiro, In, Yasuko, Ishida, Toshimasa

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1997

Language:

english

File:

PDF, 485 KB

english, 1997

50

Conformational analysis of the cyclised pyridoxal Schiff base of L-tryptophan. X-Ray crystal structure, nuclear magnetic resonance and molecular orbital studies of 3-carboxy-1-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]-4-pyridyl}-1,2,3,4-tetrahydro-?-carboline

Nagata, Hiroomi, Doi, Mitsunobu, Inoue, Masatoshi, Ishida, Toshimasa, Kamigauchi, Miyoko, Sugiura, Makiko, Wakahara, Akio

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1994

Language:

english

File:

PDF, 656 KB

english, 1994

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