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1

Direct separation of enatiomers by high-performance liquid chromatography on a new chiral ligand-exchange phase

Naobumi Ǒi, Hajimu Kitahara, Reiko Kira

Journal:

Journal of Chromatography A

Année:

1992

Langue:

english

Fichier:

PDF, 412 KB

english, 1992

2

Infrared determination of the sequence distribution of sytrene units in acrylonitrile-styrene copolymers

OI, Naobumi, MORIGUCHI, Koichi

Journal:

Année:

1974

Fichier:

PDF, 604 KB

1974

3

Recent Progress in Analysis by Infrared Absorption Spectroscopy

Journal:

The Journal of the Society of Chemical Industry Japan

Année:

1963

Fichier:

PDF, 1.59 MB

1963

4

Enantiomer separation with poly-(R)-1 (α-naphthyl)-ethyl-methacrylamide coated on ODS silica gel by reversed phase HPLC

Naobumi Oi, Shigeru Hashimoto, Norio Ishizuka, Jun Ohtake

Journal:

Biomedical Chromatography

Année:

1997

Langue:

english

Fichier:

PDF, 39 KB

english, 1997

5

Enantiomer separation by capillary gas chromatography on a tripeptide derivative of triazine as stationary phase

Naobumi Ôi, Hajimu Kitahara, Yasuhiro Matsushita

Journal:

Journal of Separation Science

Année:

1990

Langue:

english

Fichier:

PDF, 351 KB

english, 1990

6

Direct enantiomer separations by high-performance liquid chromatography with chiral urea derivatives as stationary phases

Naobumi Ôi, Hajimu Kitahara, Fumiko Aoki

Journal:

Journal of Chromatography A

Année:

1995

Langue:

english

Fichier:

PDF, 330 KB

english, 1995

7

Enantiomer separation by high-performance liquid chromatography with (R,R)-tartaric acid mono-amide derivatives as bifunctional chiral selectors

Naobumi Ôi, Hajimu Kitahara, Fumiko Aoki

Journal:

Journal of Chromatography A

Année:

1994

Langue:

english

Fichier:

PDF, 439 KB

english, 1994

8

Enantiomer separation by gas and high-performance liquid chromatography with tripeptide derivatives as chiral stationary phases

Naobumi Ôi, Hajimu Kitahara, Yasuhiro Matsushita, Naoko Kisu

Journal:

Journal of Chromatography A

Année:

1996

Langue:

english

Fichier:

PDF, 303 KB

english, 1996

9

Determination of felodipine and its metabolites in plasma using capillary gas chromatography with electron-capture detection and their identification by gas chromatography—mass spectrometry

Ryota Nishioka, Isao Umeda, Naobumi Öi, Shigeru Tabata, Kazuo Uno

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Année:

1991

Langue:

english

Fichier:

PDF, 514 KB

english, 1991

10

N-(1R,3R)-trans-chrysanthemoyl (R)-1-(α-naphthyl)ethylamine as a stationary phase for the separation of optical isomers by gas chromatography

Naobumi Ôi, Hajimu Kitahara, Yoko Inda, Tadashi Doi

Journal:

Journal of Chromatography A

Année:

1981

Langue:

english

Fichier:

PDF, 242 KB

english, 1981

11

Gas chromatographic separation of enantiomers of some dipeptides on an optically active stationary phase

Naobumi Oi, Masao Horiba, Hajimu Kitahara, Hiroo Shimada

Journal:

Journal of Chromatography A

Année:

1980

Langue:

english

Fichier:

PDF, 201 KB

english, 1980

12

Direct separation of a-hydroxycarboxylic acid ester enatiomers by gas chromatography with optically active copper (II) complexes.

Naobumi Oi, Masao Horiba, Hajimu Kitahara, Tadashi Doi, Toru Tani, Takaaki Sakakibara

Journal:

Journal of Chromatography A

Année:

1980

Langue:

english

Fichier:

PDF, 244 KB

english, 1980

13

Gas chromatographic separation of amino acid amide enatiomers on optically active stationary phases

Naobumi OI, Masao Horiba, Hajimu Kitahara

Journal:

Journal of Chromatography A

Année:

1980

Langue:

english

Fichier:

PDF, 180 KB

english, 1980

14

Gas chromatographic determination of optical isomers of some carboxylic acids and amines with optically active stationary phases

Naobumi Ôi, Tadashi Doi, Hajimu Kitahara, Yoko Inda

Journal:

Journal of Chromatography A

Année:

1982

Langue:

english

Fichier:

PDF, 417 KB

english, 1982

15

Some N-acyl derivatives of 1-(α-naphthyl)ethylamine as stationary phases for the separation of optical isomers in gas chromatography

Naobumi Ôi, Hajimu Kitahara, Yoko Inda, Tadashi Doi

Journal:

Journal of Chromatography A

Année:

1982

Langue:

english

Fichier:

PDF, 376 KB

english, 1982

16

Gas chromatographic separation of some enantiomers on optically active copper(II) complexes

Naobumi Ŏi, Kunio Shiba, Toru Tani, Hajimu Kitahara, Tadashi Doi

Journal:

Journal of Chromatography A

Année:

1981

Langue:

english

Fichier:

PDF, 267 KB

english, 1981

17

(R)-N-(3,5-dinitrobenzoyl)-1-naphthylglycine as a chiral stationary phase for the separation of enantiomers by high-performance liquid chromatography

Naobumi Ôi, Hajimu Kitahara, Yonezo Matsumoto, Hisako Nakajima, Yasuhiko Horikawa

Journal:

Journal of Chromatography A

Année:

1989

Langue:

english

Fichier:

PDF, 266 KB

english, 1989

18

High-performance liquid chromatographic separation of enantiomers on s-triazine derivatives of a tripeptide ester and a chiral amine bonded to silica gel

Naobumi Ôi, Masayuki Nagase, Yoko Sawada

Journal:

Journal of Chromatography A

Année:

1984

Langue:

english

Fichier:

PDF, 267 KB

english, 1984

19

High-performance liquid chromatographic separation of amino acid enantiomers on urea derivatives of L-valine bonded to silica gel

Naobumi Ôi, Hajimu Kithara

Journal:

Journal of Chromatography A

Année:

1984

Langue:

english

Fichier:

PDF, 257 KB

english, 1984

20

High-performance liquid chromatographic separation of enantiomers on (S)-1 -(α-naphthyl)ethylamine bonded to silica gel

Naobumi Ôi, Masayuki Nagase, Tadashi Doi

Journal:

Journal of Chromatography A

Année:

1983

Langue:

english

Fichier:

PDF, 350 KB

english, 1983

21

Gas chromatographic separation of enantiomers of O-acyl alcohols

Naobumi ÔI, Ryozo Takai, Hajimu Kitahara

Journal:

Journal of Chromatography A

Année:

1983

Langue:

english

Fichier:

PDF, 157 KB

english, 1983

22

Gas chromatographic separation of chrysanthemic acid ester enantiomers on a novel chiral stationary phase

Naobumi Ôi, Hajimu Kitahara, Tadashi Doi

Journal:

Journal of Chromatography A

Année:

1983

Langue:

english

Fichier:

PDF, 189 KB

english, 1983

23

Enantiomer separation of pyrethroid insecticides by high-performance liquid chromatography with chiral stationary phases

Naobumi Ôi, Hajimu Kitahara, Reiko Kira

Journal:

Journal of Chromatography A

Année:

1990

Langue:

english

Fichier:

PDF, 441 KB

english, 1990

24

High-performance liquid chromatographic separation of enantiomers on (S)-2-(4-chlorophenyl)isovaleric acid and its amide derivatives bonded to silica gel

Naobumi Ǒi, Masayuki Nagase, Yoko Inda, Tadashi Doi

Journal:

Journal of Chromatography A

Année:

1983

Langue:

english

Fichier:

PDF, 305 KB

english, 1983

25

High-performance liquid chromatographic separation of chiral alcohols on chiral stationary phases

Naobumi Ǒi, Hajimu Kitahara

Journal:

Journal of Chromatography A

Année:

1983

Langue:

english

Fichier:

PDF, 212 KB

english, 1983

26

Enantiomer separation by high-performance liquid chromatography with copper(II) complexes of Schiff bases as chiral stationary phases

Naobumi Ôi, Hajimu Kitahara, Fumiko Aoki

Journal:

Journal of Chromatography A

Année:

1993

Langue:

english

Fichier:

PDF, 384 KB

english, 1993

27

Direct separation of carboxylic acid enantiomers by high-performance liquid chromatography with amide and urea derivatives bonded to silica gel as chiral stationary phases

Naobumi Ôi, Hajimu Kitahara, Fumiko Aoki, Naoko Kisu

Journal:

Journal of Chromatography A

Année:

1995

Langue:

english

Fichier:

PDF, 377 KB

english, 1995

28

Direct separation of carboxylic acid and amine enantiomers by high-performance liquid chromatography on reversed-phase silica gels coated with chiral copper(II) complexes

Naobumi Ôi, Hajimu Kitahara, Fumiko Aoki

Journal:

Journal of Chromatography A

Année:

1995

Langue:

english

Fichier:

PDF, 199 KB

english, 1995

29

Gas chromatogrpahic separation of amino acid, amine and carboxylic acid enantiomers with α-hydroxycarboxylic acid esters as chiral stationary phases

Naobumi Oi, Hajimu Kitahara, Tadashi Doi

Journal:

Journal of Chromatography A

Année:

1981

Langue:

english

Fichier:

PDF, 225 KB

english, 1981

30

Elution orders in the separation of enantiomers by high-performance liquid chromatography with some chiral stationary phases

Naobumi Ôi, Hajimu Kitahara, Reiko Kira

Journal:

Journal of Chromatography A

Année:

1990

Langue:

english

Fichier:

PDF, 682 KB

english, 1990

31

Improved procedure for determination of indomethacin in plasma by capillary gas chromatography after solid-phase extraction

Ryota Nishioka, Takashi Harimoto, Isao Umeda, Seiya Yamamoto, Naobumi Ōi

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Année:

1990

Langue:

english

Fichier:

PDF, 266 KB

english, 1990

32

Direct separation of some alcohol enantiomers by gas chromatography with amino acid derivatives as chiral stationary phases

Naobumi Ôi, Tadashi Doi, Hajimu Kitahara, Yoko Inda

Journal:

Journal of Chromatography A

Année:

1981

Langue:

english

Fichier:

PDF, 242 KB

english, 1981

33

Solute-solvent interactions. IV. Infrared studies of solvent effects on rotational isomers of 1,2-dichloroethane and 1,1,2,2-tetrachloroethane

Oi, Naobumi, Coetzee, J. F.

Journal:

Journal of the American Chemical Society

Année:

1969

Langue:

english

Fichier:

PDF, 412 KB

english, 1969

34

Solute-solvent interactions. III. Solvent shifts of carbon- chlorine infrared stretching frequencies of some chlorinated hydrocarbons

Oi, Naobumi, Coetzee, J. F.

Journal:

Journal of the American Chemical Society

Année:

1969

Langue:

english

Fichier:

PDF, 468 KB

english, 1969

35

Enantiomer Separation by HPLC on Reversed Phase Silica Gel Coated with Copper (II) Complexes of (R,R)-Tartaric Acid Mono-Amide Derivatives

Ôi, Naobumi, Kitahara, Hajimu, Aoki, Fumiko

Journal:

Journal of Liquid Chromatography

Année:

1993

Langue:

english

Fichier:

PDF, 323 KB

english, 1993

36

Enantiomer Separation by HPLC with Some Urea Derivatives of L-Valine as Novel Chiral Stationary Phases

Ôi, Naobumi, Kitahara, Hajimu

Journal:

Journal of Liquid Chromatography

Année:

1986

Langue:

english

Fichier:

PDF, 231 KB

english, 1986

37

Analytical Studies on Pesticides by Infrared Spectroscopy. (I) : Identification of Microgram Quantities of Some Organophosphorus Insecticides by Combination of Thin-layer Chromatography and Infrared Spectrophotometry.

Oi, Naobumi, Takeda, Hiroshi

Journal:

Année:

1964

Fichier:

PDF, 577 KB

1964

38

EFFECTS OF PORE SIZE ON THE RETENTION TIME OF OCTADECYL SILANIZED POROUS GLASS IN HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY

NAGASARA, HIROSHI, MATSUMOTO, YONEZO, OI, NAOBUMI, YOKOYAMA, SHIGERU, YAZAWA, TETSUO, TANAKA, HIROSHI, EGUCHI, KIYOHISA

Journal:

Analytical Sciences

Année:

1991

Langue:

english

Fichier:

PDF, 253 KB

english, 1991

39

Regularities in the infrared spectra of aromatic molecular complexes.

OI, Naobumi, TAKEDA, Hiroshi

Journal:

Année:

1968

Fichier:

PDF, 724 KB

1968

40

Thinlayer chromatographic separation and spectrophotometric determination of Phthalthrin

OI, Naobumi, UMEDA, Isao

Journal:

Année:

1966

Fichier:

PDF, 559 KB

1966

41

Thin-layer chromatographic separation and ultraviolet spectrophotometric determination of O, O-dimethyl O-3-methyl-4-nitrophenyl thiophosphate in some formulations

OI, Naobumi, ASAI, Yoshio, TAKEDA, Hiroshi

Journal:

Année:

1966

Fichier:

PDF, 649 KB

1966

42

Rapid simultaneous determination of Sumithion and Sevin in dust formulation by infrared spectrophotometry

OI, Naobumi, MIYAZAKI, Keiichiro

Journal:

Année:

1966

Fichier:

PDF, 607 KB

1966

43

Infrared spectrophotometric analysis of some water soluble mono- and di-thiophosphoric acid esters by the use of high molecular weight amine

Oi, Naobumi, TAKEDA, Hiroshi

Journal:

Année:

1967

Fichier:

PDF, 469 KB

1967

44

Infrared spectrophotometric determination of Phthalthrin isomers

OI, Naobumi, UMEDA, Isao

Journal:

Année:

1966

Fichier:

PDF, 507 KB

1966

45

Infrared spectrophotometric determination of sodium lauryl sulfate by the use of high molecular weight amine

OI, Naobumi, INABA, Eiji

Journal:

Année:

1967

Fichier:

PDF, 572 KB

1967

46

10.2116/bunsekikagaku.27.9_551

OI, Naobumi, YAMAMOTO, Seiya, ITOH, Tadamasa, YASUMASA, Yoshiaki, KOMIYAMA, Yoshiki

Journal:

Année:

1978

Fichier:

PDF, 883 KB

1978

47

10.2116/bunsekikagaku.28.64

OI, Naobumi, SHIMADA, Hiroo, HIROAKI, Osamu, HORIBA, Masao, KITAHARA, Hajimu

Journal:

Année:

1979

Fichier:

PDF, 307 KB

1979

48

10.2116/bunsekikagaku.28.10_607

OI, Naobumi, HORIBA, Masao, KITAHARA, Hajimu

Journal:

Année:

1979

Fichier:

PDF, 744 KB

1979

49

10.2116/bunsekikagaku.28.2_69

OI, Naobumi, TAKEDA, Hiroshi, SHIMADA, Hiro-o, HIROAKI, Osamu

Journal:

Année:

1979

Fichier:

PDF, 552 KB

1979

50

10.2116/bunsekikagaku.30.8_552

OI, Naobumi, DOI, Tadashi, KITAHARA, Hajimu, INDA, Yoko

Journal:

Année:

1981

Fichier:

PDF, 481 KB

1981