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1

Physalins E and H, new physalins from Physalis angulata and P. lancifolia

L.Ramachandra Row, N.Subrahmanya Sarma, Teruo Matsuura, Ruka Nakashima

Journal:

Year:

1978

Language:

english

File:

PDF, 648 KB

english, 1978

2

A selective synthesis of 2,4-di-C-(hydroxymethyl)-3-pentulose in the formose reaction

Yoshihiro Shigemasa, Shinichi Akagi, Ruka Nakashima, Seiki Saito

Journal:

Carbohydrate Research

Year:

1980

Language:

english

File:

PDF, 214 KB

english, 1980

3

Formose reactions: VIII. Solvent effects in the formose reaction

Yoshihiro Shigemasa, Tsuyoshi Taji, Chikahiro Sakazawa, Ruka Nakashima, Teruo Matsuura

Journal:

Journal of Catalysis

Year:

1979

Language:

english

File:

PDF, 549 KB

english, 1979

4

Synthesis of a Structural Isomer of Actinidine from Citronellonitrile

BUTSUGAN, Yasuo, YOSHIDA, Shigeo, MUTO, Masao, BITO, Tadaaki, MATSUURA, Teruo, NAKASHIMA, Ruka

Journal:

Nippon kagaku zassi

Year:

1971

File:

PDF, 261 KB

1971

5

The favored formation of d,l-arabinitol in the formose reaction

Yoshihiro Shigemasa, Akira Matsuba, Nasuo Ueda, Ruka Nakashima, Ken-Ichi Harada, Naohito Takeda, Makoto Suzuki, Seiki Saito

Journal:

Carbohydrate Research

Year:

1984

Language:

english

File:

PDF, 186 KB

english, 1984

6

The structure of Physalins F and J from Physalis angulata and P. Lancifolia

L.Ramachandra Row, N.Subrahmanya Sarma, K.Sambi Reddy, Teruo Matsuura, Ruka Nakashima

Journal:

Year:

1978

Language:

english

File:

PDF, 495 KB

english, 1978

7

Stereochemistry and Biological Activity of Methyl Hydrogen 3-Phenyl-2,2′-iminodipro-pionate Produced by Botrytis squamosa

Nakashima, Ruka, Hayashi, Nobuya, Mizutani, Tadashi, Ueda, Nasuo, Yamamoto, Jiro, Kimura, Yasuo

Journal:

Bioscience Biotechnology and Biochemistry

Year:

1993

Language:

english

File:

PDF, 822 KB

english, 1993

8

Photoreactions of Flavanones

Nakashima, Ruka, Okamoto, Kazuaki, Matsuura, Teruo

Journal:

Bulletin of the Chemical Society of Japan

Year:

1976

File:

PDF, 329 KB

1976

9

Friedel-Crafts' Diphenylmethylation of Benzene with Diphenylmethanols using Iron(III) Chloride.

YAMAMOTO, Jiro, AKIMORI, Shinji, SHIBATA, Aya, NAKASHIMA, Ruka

Journal:

NIPPON KAGAKU KAISHI

Year:

1993

File:

PDF, 657 KB

1993

10

Coumarin-4-carboxylic Acids from Coumaran-2,3-diones

Kawai, Masao, Matsuura, Teruo, Nakashima, Ruka

Journal:

Bulletin of the Chemical Society of Japan

Year:

1970

File:

PDF, 193 KB

1970

11

Calculation of the Rotational Strength of β,γ-Unsaturated Ketones Based on a Non-empirical Molecular Orbital Method

Mizutani, Tadashi, Nakashima, Ruka

Journal:

Chemistry Letters

Year:

1991

File:

PDF, 276 KB

1991

12

10.1246/nikkashi1948.86.497

KINUGASA, Toshio, NAKASHIMA, Ruka

Journal:

Nippon kagaku zassi

Year:

1965

File:

PDF, 207 KB

1965

13

New physalins from Physalis angulata and Physalis lancifolia. Structure and reactions of physalins D, I, G and K

L.Ramachandra Row, K.Sambi Reddy, N.Subrahmanya Sarma, Teruo Matsuura, Ruka Nakashima

Journal:

Year:

1980

Language:

english

File:

PDF, 733 KB

english, 1980

14

Additions and Corrections - A Selective Formose Reaction

Shigemasa, Yoshihiro, Nagae, Osamu, Sakazawa, Chikahiro, Nakashima, Ruka, Matsuura, Teruo

Journal:

Journal of the American Chemical Society

Year:

1978

Language:

english

File:

PDF, 138 KB

english, 1978

15

N-O Streching Frequencies of Halogeno-nitrobenzenes

KINUGASA, Toshio, NAKASHIMA, Ruka

Journal:

Nippon kagaku zassi

Year:

1961

File:

PDF, 698 KB

1961

16

10.1246/nikkashi.1982.1626

SHIGEMASA, Yoshihiro, SAKAI, Hitoshi, NAKASHIMA, Ruka

Journal:

NIPPON KAGAKU KAISHI

Year:

1982

File:

PDF, 1.59 MB

1982

17

Photoinduced reactions. LII. Photorearrangement of 3-hydroxyflavones. 1

Teruo Matsuura, Tadashi Takemoto, Ruka Nakashima

Journal:

Tetrahedron Letters

Year:

1971

Language:

english

File:

PDF, 85 KB

english, 1971

18

Anthraquinone Production by Cell Suspension Cultures of Rubia akane N akai

Mizutani, Hiroshi, Hashimoto, Osamu, Nakashima, Ruka, Nagai, Jun

Journal:

Bioscience Biotechnology and Biochemistry

Year:

1997

Language:

english

File:

PDF, 510 KB

english, 1997

19

Voltammetry and Electron Paramagnetic Resonance Spectra of Halonitrobenzene Anion Radicals

KITAGAWA, Toyokichi, NAKASHIMA, Ruka

Journal:

Review of Polarography

Year:

1966

Language:

english

File:

PDF, 619 KB

english, 1966

20

10.1246/nikkashi.1982.1617

HARADA, Ken-ichi, TAKEDA, Naohito, SUZUKI, Makoto, SHIGEMASA, Yoshihiro, NAKASHIMA, Ruka

Journal:

NIPPON KAGAKU KAISHI

Year:

1982

File:

PDF, 890 KB

1982

21

Dipole Moments of 2, 5-Disubstituted and 2, 3, 5, 6-Tetrasubstituted Nitrobenzenes

NAKASHIMA, Ruka

Journal:

Nippon kagaku zassi

Year:

1962

File:

PDF, 294 KB

1962

22

The favored formation of dl-glycero-tetrulose in the formose reaction

Yoshihiro Shigemasa, Akira Okano, Hiroyuki Saimoto, Ruka Nakashima

Journal:

Carbohydrate Research

Year:

1987

Language:

english

File:

PDF, 152 KB

english, 1987

23

BSF-A, a New Plant Growth Regulator Produced by the Fungus, Botrytis squamosa

Kimura, Yasuo, Fujioka, Hiroaki, Nakajima, Hiromitsu, Hamasaki, Takashi, Nakashima, Ruka

Journal:

Bioscience Biotechnology and Biochemistry

Year:

1993

Language:

english

File:

PDF, 405 KB

english, 1993

24

Photosensitized Oxygenation of Unconjugated Cyclic Dienes

Horinaka, Akio, Nakashima, Ruka, Yoshikawa, Masaharu, Matsuura, Teruo

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 689 KB

1975

25

Production of Shisonin in Rosemary (Rosemarinus officinalis L.) Tissue Culture

HASHIMOTO, Osamu, MIZUTANI, Hiroshi, NAKASHIMA, Ruka

Journal:

Journal of the agricultural chemical society of Japan

Year:

1997

File:

PDF, 144 KB

1997

26

Quercetin 3,7,3′,4′-tetramethyl ether from Germanium macrorhizum

Ruka Nakashima, Masaharu Yoshikawa, Teruo Matsuura

Journal:

Year:

1973

Language:

english

File:

PDF, 74 KB

english, 1973

27

PHOTOINDUCED REACTIONS. LXXII. REACTIVITY OF SINGLET OXYGEN TOWARD CYCLIC OLEFINS

Matsuura, Teruo, Horinaka, Akio, Nakashima, Ruka

Journal:

Chemistry Letters

Year:

1973

Language:

english

File:

PDF, 5.46 MB

english, 1973

28

CD Spectra of Bis(2,4-dinitrophenyl) Derivatives of Acyclic Diamino Compounds Having Two Asymmetric Centers

Kawai, Masao, Yamagishi, Takahiro, Matsuura, Taketoshi, Butsugan, Yasuo, Nakashima, Ruka

Journal:

Bulletin of the Chemical Society of Japan

Year:

1986

File:

PDF, 365 KB

1986

29

N-O Stretching Vibrations of Methyl and Halogen Substituted Nitrobenzenes

KINUGASA, Toshio, NAKASHIMA, Ruka

Journal:

Nippon kagaku zassi

Year:

1963

File:

PDF, 257 KB

1963

30

Photo-induced Reaction. II. The Photo-sensitized Oxidation of Hindered Phenols

Matsuura, Teruo, Omura, Kanji, Nakashima, Ruka

Journal:

Bulletin of the Chemical Society of Japan

Year:

1965

Language:

english

File:

PDF, 8.83 MB

english, 1965

31

Dipole Moment and infrared Spectrum of 9-Nitroanthracene

NAKAMURA, Kiyoshi, NAKASHIMA, Ruka

Journal:

Nippon kagaku zassi

Year:

1962

File:

PDF, 147 KB

1962

32

ChemInform Abstract: PHOTOINDUCED REACTIONS PART 86, PHOTOSENSITIZED OXYGENATION OF UNCONJUGATED CYCLIC DIENES

HORINAKA, AKIO, NAKASHIMA, RUKA, YOSHIKAWA, MASAHARU, MATSUURA, TERUO

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 110 KB

1975

33

Formose Reactions. XIV. A Selective Formose Reaction in the Presence of a Slight Amount of Calcium Ions

Shigemasa, Yoshihiro, Taji, Tsuyoshi, Waki, Eiichi, Nakashima, Ruka

Journal:

Bulletin of the Chemical Society of Japan

Year:

1981

File:

PDF, 1.07 MB

1981

34

Formose reactions: XVI. Some factors affecting the selective formation of 2,4-di-C-(hydroxymethyl)-3-pentulose

Yoshihiro Shigemasa, Shin-ichi Akagi, Eiichi Waki, Ruka Nakashima

Journal:

Journal of Catalysis

Year:

1981

Language:

english

File:

PDF, 825 KB

english, 1981

35

Formose reactions: IX. Selective formation of branched sugar alcohols in a modified formose reaction and factors affecting the selectivity

Yoshihiro Shigemasa, Mikio Kawahara, Chikahiro Sakazawa, Ruka Nakashima, Teruo Matsuura

Journal:

Journal of Catalysis

Year:

1980

Language:

english

File:

PDF, 796 KB

english, 1980

36

Dipole Moment and Infrared Spectrum of 2,3,5,6-Tetraisopropylnitrobenzene

Nakashima, Ruka, Watarai, Setsuo, Kinugasa, Toshio

Journal:

Bulletin of the Chemical Society of Japan

Year:

1961

Language:

english

File:

PDF, 1.76 MB

english, 1961

37

Biosynthesis of echinulin by Aspergillus amstelodami from cyclo-L-alanyl-L-tryptophyl-14C

Slater, George P., MacDonald, James C., Nakashima, Ruka

Journal:

Year:

1970

Language:

english

File:

PDF, 430 KB

english, 1970

38

Mechanism of Silica Gel Dissolution in Water in the Presence of Pyrocatechol

Mizutani, Tadashi, Takahashi, Koji, Kato, Tsutomu, Yamamoto, Jiro, Ueda, Nasuo, Nakashima, Ruka

Journal:

Bulletin of the Chemical Society of Japan

Year:

1993

File:

PDF, 541 KB

1993

39

Selective Formation of 2-Hydroxy-3,3-bis(hydroxymethyl)- γ -butyrolactone from Formaldehyde on Hydrotalcite-Type Catalysts

Mizutani, Tadashi, Miki, Yasushi, Nakashima, Ruka, Fujita, Haruo, Ogoshi, Hisanobu

Journal:

Bulletin of the Chemical Society of Japan

Year:

1996

File:

PDF, 745 KB

1996

40

Formose Reactions. XXI. A Selective Formation of Dihydroxyacetone in the Formose Reaction in N , N -Dimethylformamide

Shigemasa, Yoshihiro, Sasaki, Yoshihiro, Ueda, Nasuo, Nakashima, Ruka

Journal:

Bulletin of the Chemical Society of Japan

Year:

1984

File:

PDF, 1.07 MB

1984

41

A SELECTIVE SYNTHESIS OF 3- C -(HYDROXYMETHYL)PENTOFURANOSE IN THE FORMOSE REACTION

Shigemasa, Yoshihiro, Hamada, Toshio, Hirabayashi, Mikio, Waki, Eiichi, Nakashima, Ruka, Harada, Ken-ichi, Takeda, Naohito, Suzuki, Makoto

Journal:

Chemistry Letters

Year:

1981

Language:

english

File:

PDF, 7.74 MB

english, 1981

42

The configuration of echinulin part III The absolute configuration of echinulin

Ruka Nakashima, George P. Slater

Journal:

Tetrahedron Letters

Year:

1971

Language:

english

File:

PDF, 94 KB

english, 1971

43

Assignment of N-0 sym Stretching Vibration of 2, 3, 5, 6-tetra-iso Propylnitrobenzene and 2, 5-di-tert-Butyl, 3, 6-Dihalogenonitrobenzenes

NAKASHIMA, Ruka

Journal:

Nippon kagaku zassi

Year:

1962

File:

PDF, 132 KB

1962

44

Formose Reactions. VI. Formose Synthesis in Methanol

Shigemasa, Yoshihiro, Matsuda, Yoshinobu, Sakazawa, Chikahiro, Nakashima, Ruka, Matsuura, Teruo

Journal:

Bulletin of the Chemical Society of Japan

Year:

1979

File:

PDF, 679 KB

1979

45

Reaction of Aryl Dehydroabietates and Aryl Homodehydroabietates with Titanium (IV) Chloride

YAMAMOTO, Jiro, OHMAE, Yoshinobu, UCHIKAWA, Akio, KAWATO, Akinori, SHIBATA, Aya, MIZUTANI, Tadashi, NAKASHIMA, Ruka

Journal:

Journal of Japan Oil Chemists Society

Year:

1993

Language:

english

File:

PDF, 703 KB

english, 1993

46

ChemInform Abstract: CUMARIN-4-CARBONSAEUREN AUS CUMARAN-DIONEN-(2,3)

KAWAI, MASAO, MATSUURA, TERUO, NAKASHIMA, RUKA

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1970

File:

PDF, 104 KB

1970

47

Calculation of Contribution of Coupling between π–π * and n–π * Transitions to Rotational Strength in Circular Dichroism Spectra

Mizutani, Tadashi, Nakashima, Ruka

Journal:

Chemistry Letters

Year:

1991

File:

PDF, 243 KB

1991

48

Intramolecular cyclization of a dieno-nitrile: synthesis of a new monoterpene alkaloid

Yasuo Butsugan, Shigeo Yoshida, Masao Muto, Tadaaki Bito, Teruo Matsuura, Ruka Nakashima

Journal:

Tetrahedron Letters

Year:

1971

Language:

english

File:

PDF, 94 KB

english, 1971

49

Formose reactions. 5. A selective formose reaction

Shigemasa, Yoshihiro, Nagae, Osamu, Sakazawa, Chikahiro, Nakashima, Ruka, Matsuura, Teruo

Journal:

Journal of the American Chemical Society

Year:

1978

Language:

english

File:

PDF, 313 KB

english, 1978

50

The Selective Formose Reaction in Dimethylformamide in the Presence of Vitamin B 1

Shigemasa, Yoshihiro, Matsumoto, Hideki, Sasaki, Yoshihiro, Ueda, Nasuo, Nakashima, Ruka, Harada, Ken-Ichi, Takeda, Naohito, Suzuki, Makoto

Journal:

Journal of Carbohydrate Chemistry

Year:

1983

Language:

english

File:

PDF, 390 KB

english, 1983

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