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1

A Piscicidal Chromanol and a Chromenol from the Brown Alga Dictyopteris undulata

Kakisawa, Hiroshi, Dave, Muanza-Nkongolo, Kusumi, Takenori, Ishitsuka, Midori, Iwashita, Takashi

Journal:

Year:

1984

Language:

english

File:

PDF, 163 KB

english, 1984

2

Synthesis of 4-Amino-2-hydroxybutanoic Acid and Its 3-Methyl Derivative

Sato, Hiroko, Kusumi, Takenori, Imaye, Kyoto, Kakisawa, Hiroshi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1976

File:

PDF, 383 KB

1976

3

Atmospheric CO2 captured by biogenic polyamines is transferred as a possible substrate to Rubisco for the carboxylation reaction

Yasumoto, Ko, Sakata, Tsuyoshi, Yasumoto, Jun, Yasumoto-Hirose, Mina, Sato, Shun-ichi, Mori-Yasumoto, Kanami, Jimbo, Mitsuru, Kusumi, Takenori, Watabe, Shugo

Journal:

Scientific Reports

Year:

2018

Language:

english

File:

PDF, 1.00 MB

english, 2018

4

Application of phenylglycine methyl ester (PGME) to determination of the absolute configuration of carboxylic acids having phenylalkyl group

Tetsuya Yabuuchi, Takashi Ooi, Takenori Kusumi

Journal:

Year:

1997

Language:

english

File:

PDF, 141 KB

english, 1997

5

ChemInform Abstract: A Convenient One-Pot Synthesis of Quaternary α-Methoxy- and α-Hydroxycarboxylic Acids.

Tetsuya Yabuuchi, Takenori Kusumi

Journal:

Year:

1999

File:

PDF, 32 KB

1999

6

ChemInform Abstract: Structures and Absolute Stereochemistry of Five New Secospatanes and a Spatane Isolated from the Brown Alga Dilophus okamurai DAWSON.

Hiroshi Yamase, Kimie Umemoto, Takashi Ooi, Takenori Kusumi

Journal:

Year:

1999

File:

PDF, 24 KB

1999

7

ChemInform Abstract: Chemical Study and Absolute Configuration of a New Marine Secospatane from the Brown Alga Dilophus okamurae.

Masayori Ninomiya, Hideo Hirohara, Jun-ichi Onishi, Takenori Kusumi

Journal:

Year:

1999

File:

PDF, 27 KB

1999

8

ChemInform Abstract: Morinols A—L, Twelve Novel Sesquineolignans and Neolignans with a New Carbon Skeleton from Morina chinensis.

Bao-Ning Su, Yoshihisa Takaishi, Takenori Kusumi

Journal:

Year:

2000

File:

PDF, 28 KB

2000

9

ChemInform Abstract: The Structures and Absolute Configurations of Macrophyllic Acids A—E, Five New Rearranged Eudesmane Sesquiterpene Acids from the Bark of Inula macrophylla.

Bao-Ning Su, Yoshihisa Takaishi, Tetsuya Yabuuchi, Takenori Kusumi, Motoo Tori, Shigeru Takaoka

Journal:

Year:

2000

File:

PDF, 27 KB

2000

10

Oxidation of Cyclopropane Terpenoids with Ruthenium Tetraoxide.

Takahiro Kawai, Takashi Ooi, Takenori Kusumi

Journal:

Year:

2003

File:

PDF, 126 KB

2003

11

ChemInform Abstract: Structure Revision of Aspergillides A and B, Cytotoxic 14-Membered Macrolides from Aspergillus ostianus, by X-Ray Crystallography.

Ryuhei Ookura, Keijiro Kito, Yota Saito, Takenori Kusumi, Takashi Ooj

Journal:

Year:

2009

File:

PDF, 19 KB

2009

12

ChemInform Abstract: X-Ray Structures of Two Stephacidins, Heptacyclic Alkaloids from the Marine-Derived Fungus Aspergillus ostianus

Keijiro Kito, Ryuhei Ookura, Takenori Kusumi, Michio Namikoshi, Takashi Ooi

Journal:

Year:

2009

File:

PDF, 19 KB

2009

13

Resolution of 1- and 2-naphthylmethoxyacetic acids, NMR reagents for absolute configuration determination, by use of L-phenylalaninol

Shoko Arita, Tetsuya Yabuuchi, Takenori Kusumi

Journal:

Year:

2003

Language:

english

File:

PDF, 96 KB

english, 2003

14

An allelopathic fatty acid from the brown alga Cladosiphon okamuranus

Hiroshi Kakisawa, Fumika Asari, Takenori Kusumi, Takeshi Toma, Takemaro Sakurai, Takeshi Oohusa, Yoshiaki Hara, Mitsuo Chiharai

Journal:

Year:

1988

Language:

english

File:

PDF, 1.72 MB

english, 1988

15

Bicyclic diterpenes from two species of brown algae of the dictyotaceae

Midori O. Ishitsuka, Takenori Kusumi, Akio Ichikawa, Hiroshi Kakisawa

Journal:

Year:

1990

Language:

english

File:

PDF, 524 KB

english, 1990

16

Novel seco- and seconorsesquiterpenes having a cyclopropane ring from the okinawan actinia anthopleura pacifica uchida

Zheng Guo-Chi, Masako Hatano, Midori O. Ishitsuka, Takenori Kusumi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 151 KB

english, 1990

17

Difference CD spectrum : the absolute configuration of methyl sarcophytoate

Midori O. Ishitsuka, Takenori Kusumi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 121 KB

english, 1991

18

Anomaly in the modified Mosher's method: Absolute configurations of some marine cembranolides

Takenori Kusumi, Yoshiharu Fujita, Ikuko Ohtani, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 237 KB

english, 1991

19

Isolation of a monomeric counterpart of the marine biscembranoids, a biogenetic diels-alder precursor

Midori O. Ishitsuka, Takenori Kusumi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 135 KB

english, 1991

20

Elucidation of the absolute configurations of amino acids and amines by the modified mosher's method

Takenori Kusumi, Toshiro Fukushima, Ikuko Ohtani, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 226 KB

english, 1991

21

New dihydrophenanthrapyrans from cedrelinga catenaeformis

Katushi Ezaki, Motoyoshi Satake, Takenori Kusumi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 258 KB

english, 1991

22

Structure and Absolute Configuration of Isoclavukerin A, A Component from an Okinawan Soft Coral

Takenori Kusumi, Toshiyuki Hamada, Motoko Hara, Midori O. Ishitsuka, Haro Ginda, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 284 KB

english, 1992

23

New chiral anisotropic reagents for determining the absolute configuration of carboxylic acids

Yuriko Nagai, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 203 KB

english, 1995

24

2-Anthrylmethoxyacetic acid, a new chiral anisotropic reagent for elucidating the absolute configuration of acyclic alcohols

Kyoji Kouda, Takenori Kusumi, Xu Ping, Yukiko Kan, Toshihiro Hashimoto, Yoshinori Asakawa

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 163 KB

english, 1996

25

Absolute stereostructure of a 2,3,7,13-tetrahydroxyoctadecanoic acid, the framework of taurolipid B produced by a fresh-water protozoan, Tetrahymena thermophila

Kyoji Kouda, Takashi Ooi, Kunimitsu Kaya, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 198 KB

english, 1996

26

Determination of the absolute configuration of yessotoxin, a polyether compound implicated in diarrhetic shellfish poisoning, by NMR spectroscopic method using a chiral anisotropic reagent, methoxy-(2-naphthyl)acetic acid

Haruko Takahashi, Takenori Kusumi, Yukiko Kan, Masayuki Satake, Takeshi Yasumoto

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 159 KB

english, 1996

27

1,3-Dipolar addition of nitrones to symmetrically substituted allenes: for the determination of absolute configuration of chiral allenes by NMR spectroscopy

Takahiro Kawai, Ko-hei Kodama, Takashi Ooi, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 282 KB

english, 2004

28

Aliphatic sulfates released from Daphnia induce morphological defense of phytoplankton: isolation and synthesis of kairomones

Ko Yasumoto, Akinori Nishigami, Mina Yasumoto, Fumie Kasai, Yasuhiro Okada, Takenori Kusumi, Takashi Ooi

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 170 KB

english, 2005

29

A diterpenoid phenalenone from Salvia miltiorrhiza

Takenori Kusumi, Takashi Ooi, Teruo Hayashi, Hiroshi Kakisawa

Journal:

Year:

1985

Language:

english

File:

PDF, 297 KB

english, 1985

30

Morinols A-L, twelve novel sesquineolignans and neolignans with a new carbon skeleton from morina chinensis

Bao-Ning Su, Yoshihisa Takaishi, Takenori Kusumi

Journal:

Year:

1999

Language:

english

File:

PDF, 1.11 MB

english, 1999

31

New chiral anisotropic reagents, NMR tools to elucidate the absolute configurations of long-chain organic compounds

Takenori Kusumi, Haruko Takahashi, Ping Xu, Toshiro Fukushima, Yoshinori Asakawa, Toshihiro Hashimoto, Yukiko Kan, Yoshinobu Inouye

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 290 KB

english, 1994

32

Competition between carbomethoxy and carboxyl in electrocyclic opening of a 3,3-disubstituted cyclobutene

Satomi Niwayama, K.N. Houk, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 332 KB

english, 1994

33

The conformation of the 17-O-MTPA-Eicosatetraenoyl chain of a marine acylphloroglucinol

Takenori Kusumi, Takashi Ooi, Hidetaka Uchimura

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 140 KB

english, 1994

34

Salviolone, a cytotoxic bisnorditerpene with a benzotropolone chromophore from a chinese drug dan-shen (salvia miltiorrhiza)

Haro Ginda, Takenori Kusumi, Midori O. Ishitsuka, Hiroshi Kakisawa, Zhao Weijie, Chen Jun, Guo Yong Tian

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 231 KB

english, 1988

35

Absolute configurations of cytotoxic marine cembranolides; Consideration of mosher's method

Takenori Kusumi, Ikuko Ohtani, Yoshinobu Inouye, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 254 KB

english, 1988

36

Structural elucidation and conformational analysis of germacrane-type diterpenoids from the brown alga pachydictyon coriaceum

Midori Ishitsuka, Takenori Kusumi, Hiroshi Kakisawa, Yoshiyuki Kawakami, Yasushi Nagai, Tadashi Sato

Journal:

Tetrahedron Letters

Year:

1986

Language:

english

File:

PDF, 253 KB

english, 1986

37

Acetylsanadaol, a diterpene having a novel skeleton, from the brown alga, Pachydictyon Coriaceum

Midori Ishitsuka, Takenori Kusumi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1982

Language:

english

File:

PDF, 137 KB

english, 1982

38

An insight into the conformation of ptilomycalin A. the NMR properties of trifluoroacetylated spermidine analogues

Ikuko Ohtani, Takenori Kusumi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 286 KB

english, 1992

39

Structure and conformation of pachylactone, a new diterpene isolated from the brown alga, Pachydictyon coriaceum

Midori Ishitsuka, Takenori Kusumi, Hiroshi Kakisawa, Yoshiyuki Kawakami, Yasushi Nagai, Tadashi Sato

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 237 KB

english, 1983

40

Cyanoviridin RR, a toxin from the cyanobacterium (blue-green alga) microcystis viridis

Takenori Kusumi, Takashi Ooi, Makoto M. Watanabe, Hiroshi Takahashi, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 231 KB

english, 1987

41

Absolute configurations of marine diterpenes possessing a xenicane skeleton. An application of an advanced mosher's method

Ikuko Ohtani, Takenori Kusumi, Midori O. Ishitsuka, Hiroshi Kakisawa

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 222 KB

english, 1989

42

Autoxidation of linoleic acid in a strong magnetic field (9.4 T)

Masahiro Inotani, Shuichi Fukuyoshi, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 63 KB

english, 2001

43

Isolation, structure and synthesis of 4-hydroxyisoxazole (triumferol), a seed germination inhibitor from an african plant

Takenori Kusumi, Conway C. Chang, Margaret Wheeler, Isao Kubo, Koji Nakanishi, Hideo Naoki

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 240 KB

english, 1981

44

Structures of the radical (DPPH) oxidation products of dihydrocapsaicin

Tetsuya Nakamura, Takashi Ooi, Kentaro Kogure, Miki Nishimura, Hiroshi Terada, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 122 KB

english, 2002

45

A simple preparation of 17(R)-hydroxyeicosatetraenoic and eicosapentaenoic acids from the eicosanoylphloroglucinols, components of the brown alga, Zonaria diesingiana

Tatsuo Munakata, Takashi Ooi, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 119 KB

english, 1997

46

Determination of the absolute configuration of linear secondary alcohols adopting one enantiomer of the chiral anisotropic reagents, methoxy-(1-and 2-naphthyl)acetic acids

Hiroshi Yamase, Takashi Ooi, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 185 KB

english, 1998

47

Application of the modified Mosher's method to linear 1,3-diols

Kyoji Kouda, Takashi Ooi, Takenori Kusumi

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 206 KB

english, 1999

48

Structure of cyanoviridin RR, a toxin from the blue-green alga,Microcystis viridis

Takashi Ooi, Takenori Kusumi, Hiroshi Kakisawa, Makoto M. Watanabe

Journal:

Journal of Applied Phycology

Year:

1989

Language:

english

File:

PDF, 452 KB

english, 1989

49

A new diterpene dimer from the bark ofChamaecyparis obtusa

Nobuyasu Hanari, Hiroshi Yamamoto, Takashi Ooi, Takenori Kusumi, Ken -ichi Kuroda

Journal:

Journal of Wood Science

Year:

2001

Language:

english

File:

PDF, 463 KB

english, 2001

50

The structures and absolute configurations of macrophyllic acids A–E, five new rearranged eudesmane sesquiterpene acids from the bark of Inula macrophylla

Bao-Ning Su, Yoshihisa Takaishi, Tetsuya Yabuuchi, Takenori Kusumi, Motoo Tori, Shigeru Takaoka

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 181 KB

english, 2000

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