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1

Use of molecular sieves in high vacuum pumping systems

Yuki, Heimei, Hatada, Koichi, Hasegawa, Toshihiko, Kokan, Susumu, Maruo, Katsuhiko

Journal:

Journal of Chemical Education

Year:

1972

Language:

english

File:

PDF, 1.03 MB

english, 1972

2

Studies on the radical polymerization of methyl methacrylate using perdeuterated monomer

Koichi Hatada, Tatsuki Kitayama, Heimei Yuki

Journal:

Macromolecular Rapid Communications

Year:

1980

Language:

english

File:

PDF, 239 KB

english, 1980

3

Resolution of racemic compounds by optically active poly(triphenylmethyl methacrylate)

Yuki, Heimei, Okamoto, Yoshio, Okamoto, Ichiro

Journal:

Journal of the American Chemical Society

Year:

1980

Language:

english

File:

PDF, 402 KB

english, 1980

4

Optically active poly(triphenylmethyl methacrylate) with one-handed helical conformation

Okamoto, Yoshio, Suzuki, Koichi, Ohta, Koji, Hatada, Koichi, Yuki, Heimei

Journal:

Journal of the American Chemical Society

Year:

1979

Language:

english

File:

PDF, 400 KB

english, 1979

5

Carbon-13 spin lattice relaxation times of polymethacrylates of various tacticities in solution

Koichi Hatada, Tatsuki Kitayama, Yoshio Okamoto, Koji Ohta, Yoshihiro Umemura, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1977

Language:

english

File:

PDF, 184 KB

english, 1977

6

Effect of water on the polymerization of α-substituted acrylate by anionic initiation

Koichi Hatada, Yoshihiro Umemura, Mitsuru Furomoto, Susumu Kokan, Koji Ohta, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1977

Language:

english

File:

PDF, 183 KB

english, 1977

7

Carbon-13 NMR spectra and reactivities of vinyl compounds in ionic and radical polymerizations

Koichi Hatada, Kazuhiko Nagata, Toshihiko Hasegawa, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1977

Language:

english

File:

PDF, 312 KB

english, 1977

8

Mechanism of proton spin-lattice relaxation in poly(methyl methacrylate)

Koichi Hatada, Hiroyuki Ishikawa, Tatsuki Kitayama, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1977

Language:

english

File:

PDF, 227 KB

english, 1977

9

Configurational dependences of carbon-13 and proton NMR spin-lattice relaxation times of various polymethacrylates

Koichi Hatada, Tatsuki Kitayama, Yoshio Okamoto, Koji Ohta, Yoshihiro Umemura, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1978

Language:

english

File:

PDF, 466 KB

english, 1978

10

Slow-growth copolymerization of methyl methacrylate and styrene by butyllithium

Koichi Hatada, Mitsuru Furomoto, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1978

Language:

english

File:

PDF, 189 KB

english, 1978

11

Highly asymmetric-selective polymerization of (RS)-α-methylbenzyl acrylate with Grignard reagent/(–)-sparteine and its modified systems in toluene

Yoshio Okamoto, Hisataka Gamaike, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1978

Language:

english

File:

PDF, 177 KB

english, 1978

12

Asymmetric-selective polymerization of (R,S)-α-methylbenzyl acrylate initiated with Grignard reagent/(--)-sparteine and its modified systems

Yoshio Okamoto, Hisataka Gamaike, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1981

Language:

english

File:

PDF, 453 KB

english, 1981

13

The molecular structure of diphenylmethyl methacrylate

Hiroyuki Kageyama, Kunio Miki, Nobuo Tanaka, Nobutami Kasai, Yoshio Okamoto, Koichi Hatada, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1982

Language:

english

File:

PDF, 332 KB

english, 1982

14

The molecular structures of (RS)-1,2-diphenylethyl methacrylate and (RS)-α-tert-butylbenzyl methacrylate

Hiroyuki Kageyama, Kunio Miki, Nobutami Kasai, Yoshio Okamoto, Eiji Yashima, Koichi Hatada, Heimei Yuki

Journal:

Macromolecular Chemistry and Physics

Year:

1984

Language:

english

File:

PDF, 758 KB

english, 1984

15

Stereospecific anionic polymerization and copolymerization of 1,1-diphenylethyl methacrylate

Heimei Yuki, Yoshio Okamoto, Yoshiki Shimada, Koji Ohta, Koichi Hatada

Journal:

Year:

1976

Language:

english

File:

PDF, 463 KB

english, 1976

16

High-performance liquid chromatography of aromatic compounds on polychloral

Koichi Hatada, Tatsuki Kitayama, Shin-Ichi Shimizu, Heimei Yuki, William Harris, Otto Vogl

Journal:

Journal of Chromatography A

Year:

1982

Language:

english

File:

PDF, 741 KB

english, 1982

17

Chromatographic resolution: IX. High-performance liquid chromatographic resolution of enantiomers on optically active poly(triphenylmethyl methacrylate)

Yoshio Okamoto, Shiro Honda, Koichi Hatada, Heimei Yuki

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 394 KB

english, 1985

18

Nuclear magnetic resonance studies of 1,1-diphenyl-n-butyllithium in mixed solvents of benzene and tetrahydrofuran

Yoshio Okamoto, Heimei Yuki

Journal:

Journal of Organometallic Chemistry

Year:

1971

Language:

english

File:

PDF, 445 KB

english, 1971

19

NMR spectra of alkyl vinyl ether and its structures

Koichi Hatada, Masatoshi Takeshita, Heimei Yuki

Journal:

Tetrahedron Letters

Year:

1968

Language:

english

File:

PDF, 213 KB

english, 1968

20

NMR spectra of co-ordination compounds of trialkyl aluminums with donors

Koichi Hatada, Heimei Yuki

Journal:

Tetrahedron Letters

Year:

1968

Language:

english

File:

PDF, 223 KB

english, 1968

21

Stereoisomerism in molecular bevel-gears. Optical resolution of the DL isomers of bis(2- and 3-chloro-9-triptycyl)methanes and ethers

Yuzo Kawada, Hiizu Iwamura, Yoshio Okamoto, Heimei Yuki

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 233 KB

english, 1983

22

Alkyl interchange in the mixture of triethyl aluminum and diethylaluminum chloride

Koichi Hatada, Heimei Yuki

Journal:

Tetrahedron Letters

Year:

1967

Language:

english

File:

PDF, 206 KB

english, 1967

23

Anionic alternative copolymerization

Heimei Yuki, Koichi Kosai, Shunsuke Murahashi, Junichi Hotta

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1964

Language:

english

File:

PDF, 170 KB

english, 1964

24

NMR signals of tetrads of monomer units in poly(methyl methacrylate)

Koichi Hatada, Koji Ota, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1967

Language:

english

File:

PDF, 250 KB

english, 1967

25

Stereospecific polymerization of trityl methacrylate

Heimei Yuki, Koichi Hatada, Yukio Kikuchi, Toshikazu Niinomi

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1968

Language:

english

File:

PDF, 141 KB

english, 1968

26

Anionic copolymerization of 1,1-diphenylethylene and 2,3-dimethylbutadiene

Heimei Yuki, Koichi Hatada, Tadanori Inoue

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1968

Language:

english

File:

PDF, 436 KB

english, 1968

27

Reactivities and NMR spectra of vinyl ethers

Heimei Yuki, Koichi Hatada, Masatoshi Takeshita

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1969

Language:

english

File:

PDF, 520 KB

english, 1969

28

Stereospecific polymerization of o-methoxystyrene by anionic initiators

Heimei Yuki, Yoshio Okamoto, Yoshiteru Kuwae, Koichi Hatada

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1969

Language:

english

File:

PDF, 645 KB

english, 1969

29

Stereospecific polymerization of isobutyl vinyl ether by AlR3–VCln catalysts. I. Influence of preparative conditions of the catalysts

Yasushi Joh, Heimei Yuki, Shunsuke Murahashi

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1970

Language:

english

File:

PDF, 862 KB

english, 1970

30

Stereospecific polymerization of isobutyl vinyl ether by AIR3–VCl3·LiCl catalyst. II. Effects of polymerization conditions on polymerization

Yasuhi Joh, Heimei Yuki, Shunsuke Murahashi

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1970

Language:

english

File:

PDF, 754 KB

english, 1970

31

Poly-β-(α-isobutyl L-aspartate)

Heimei Yuki, Yutaka Taketani

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1972

Language:

english

File:

PDF, 238 KB

english, 1972

32

Microstructure of methyl methacrylate-trityl methacrylate copolymer obtained by n-BuLi in THF

Yoshio Okamoto, Shinji Nakashima, Koji Ohta, Koichi Hatada, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1975

Language:

english

File:

PDF, 215 KB

english, 1975

33

Heterotactic polymers of methyl α-(p-bromophenyl) acrylate and methyl α-(p-chlorophenyl) acrylate

Koichi Hatada, Yoshio Okamoto, Hiroaki Ise, Schin-ichi Yamaguchi, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1975

Language:

english

File:

PDF, 223 KB

english, 1975

34

Copolymerization of methyl methacrylate and methyl α-phenylacrylate by slow-growth polymerization using n-BuLi initiator

Koichi Hatada, Susumu Kokan, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1975

Language:

english

File:

PDF, 154 KB

english, 1975

35

Reactivity of methacrylates in anionic copolymerization with methyl methacrylate by n-BuLi

Heimei Yuki, Yoshio Okamoto, Koji Ohta, Koichi Hatada

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1975

Language:

english

File:

PDF, 650 KB

english, 1975

36

Stereoregulation in the polymerization of methyl α-ethylacrylate by n-BuLi in toluene

Koichi Hatada, Susumu Kokan, Toshikazu Niinomi, Koh Miyaji, Heimei Yuki

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1975

Language:

english

File:

PDF, 392 KB

english, 1975

37

Proton spin-lattice relaxation times of polymers of various tacticities in solution

Koichi Hatada, Yoshio Okamoto, Koji Ohta, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1976

Language:

english

File:

PDF, 145 KB

english, 1976

38

Progressive syntheses of oligomers of methyl vinyl ether and their tacticities

Koichi Hatada, Toshihiko Hasegawa, Tatsuki Kitayama, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1976

Language:

english

File:

PDF, 219 KB

english, 1976

39

Tacticity measurement of polymethacrylate by peak-eliminated fourier-transform NMR

Koichi Hatada, Koji Ohta, Yoshio Okamoto, Tatsuki Kitayama, Yoshihiro Umemura, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1976

Language:

english

File:

PDF, 204 KB

english, 1976

40

Abnormal chiroptical properties of the copolymers of (S)-(-)-α-methylbenzyl methacrylate and trityl methacrylate

Heimei Yuki, Koji Ohta, Yoshio Okamoto, Koichi Hatada

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1977

Language:

english

File:

PDF, 249 KB

english, 1977

41

On the abnormal optical rotation of poly[trityl methacrylate-co-(S)-α-methylbenzyl methacrylate]

Koji Ohta, Koichi Hatada, Yoshio Okamoto, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1978

Language:

english

File:

PDF, 233 KB

english, 1978

42

Poly(β-amino acid)s. IV. Synthesis and conformational properties of poly(α-isobutyl-L-aspartate)

Heimei Yuki, Yoshio Okamoto, Yutaka Taketani, Tetsuo Tsubota, Yoshizo Marubayashi

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1978

Language:

english

File:

PDF, 833 KB

english, 1978

43

Mechanism of the asymmetric-selective polymerization of (RS)-α-methylbenzyl methacrylate initiated by the cyclohexylmagnesium chlorideor bromide-(—)-sparteine system

Yoshio Okamoto, Koichi Suzuki, Koji Ohta, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1979

Language:

english

File:

PDF, 264 KB

english, 1979

44

Microstructure of the copolymers of methyl methacrylate with other methacrylates obtained by radical and anionic copolymerizations in tetrahydrofuran

Heimei Yuki, Yoshio Okamoto, Yoshiki Shimada, Koji Ohta, Koichi Hatada

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1979

Language:

english

File:

PDF, 548 KB

english, 1979

45

Poly(β-Amino acids). V. Synthesis and conformation of oligomeric α-isobutyl-L-aspartate

Heimei Yuki, Yoshio Okamoto, Yuichi Doi

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1979

Language:

english

File:

PDF, 511 KB

english, 1979

46

Anionic copolymerization of optically active α-methylbenzyl methacrylate and trityl methacrylate. I. Reactivity of monomers

Koji Ohta, Yoshio Okamoto, Koichi Hatada, Heimei Yuki

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1979

Language:

english

File:

PDF, 617 KB

english, 1979

47

Anionic polymerization and copolymerization of S-methyl thiomethacrylate

Yoshio Okamoto, Motoyuki Toki, Heimei Yuki

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1979

Language:

english

File:

PDF, 327 KB

english, 1979

48

Poly(β-Amino acids). VI. Synthesis and conformational properties of poly[(r)-3-pyrrolidinecarboxylic acid]

Heimei Yuki, Yoshio Okamoto, Yoshiko Kobayashi

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1979

Language:

english

File:

PDF, 569 KB

english, 1979

49

Asymmetric polymerization of triphenylmethyl methacrylate by optically active anionic catalysts

Yoshio Okamoto, Koichi Suzuki, Heimei Yuki

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1980

Language:

english

File:

PDF, 485 KB

english, 1980

50

Optical resolution of atropisomeric poly(triphenylmethyl methacrylate)

Yoshio Okamoto, Ichiro Okamoto, Heimei Yuki

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1981

Language:

english

File:

PDF, 205 KB

english, 1981

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