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1

CH/π Interactions Implicated in the Crystal Structure of Transition Metal Compounds − A Database Study

Hiroko Suezawa, Takashi Yoshida, Yoji Umezawa, Sei Tsuboyama, Motohiro Nishio

Journal:

European Journal of Inorganic Chemistry

Year:

2002

Language:

english

File:

PDF, 395 KB

english, 2002

2

Electrochemical and spectroscopic studies on copper(II) complexes of macrocyclic ligands as models for square-pyramidal metal active sites of copper(II) complexes of bleomycin and glutathione

Kiyonori Miyoshi, Hisashi Tanaka, Eiichi Kimura, Sei Tsuboyama, Shizuo Murata, Hiroaki Shimizu, Kazuhiko Ishizu

Journal:

Inorganica Chimica Acta

Year:

1983

Language:

english

File:

PDF, 797 KB

english, 1983

3

ChemInform Abstract: CH/π Interaction in the Conformation of Organic Compounds. A Database Study.

Yoji Umezawa, Sei Tsuboyama, Hiroki Takahashi, Jun Uzawa, Motohiro Nishio

Journal:

Year:

1999

File:

PDF, 26 KB

1999

4

The Aromatic CH/π Hydrogen Bond as an Important Factor in Determining the Relative Stability of Diastereomeric Salts Relevant to Enantiomeric Resolution − A Crystallographic Database Study

Hiroko Suezawa, Shinji Ishihara, Yoji Umezawa, Sei Tsuboyama, Motohiro Nishio

Journal:

European Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 201 KB

english, 2004

5

Cobalt(III) complex of (2R, 5R, 8R, 11R)-tetraethyl-1,4,7,10-tetraazacyclododecane

Sei Tsuboyama, Kaoru Tsuboyama, Tosio Sakurai, Jun Uzawa

Journal:

Inorganic and Nuclear Chemistry Letters

Year:

1980

Language:

english

File:

PDF, 197 KB

english, 1980

6

Spectroscopic studies on copper(II) complexes of chiral cyclens: [CuN4Cl] chromophores varying from square pyramidal to trigonal bipyramidal stereochemistry

Nagao Azuma, Yuji Kohno, Fujito Nemoto, Yuji Kajikawa, Kazuhiko Ishizu, Takashi Takakuwa, Sei Tsuboyama, Kaoru Tsuboyama, Kimiko Kobayashi, Tosio Sakurai

Journal:

Inorganica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 1.30 MB

english, 1994

7

Conformation of 1,4-dibenzoyl-2,5-dialkylpiperazine. twist-baot ring conformation.

Sei Tsuboyama, Kaoru Tsuboyama, Jun Uzawa, Ryoichi Koda, Mitsunori Nakamaru, Kimiko Kobayashi, Tosio Sakurai

Journal:

Tetrahedron Letters

Year:

1977

Language:

english

File:

PDF, 265 KB

english, 1977

8

Cyclic tetramers of chiral aziridines. III. Ring conformation.

Kaoru Tsuboyama, Sei Tsuboyama, Jun Uzawa, Kimiko Kobayashi, Tosio Sakurai

Journal:

Tetrahedron Letters

Year:

1977

Language:

english

File:

PDF, 255 KB

english, 1977

9

An anomalous reaction in bromination of 2-benzylamino-1-butanol

Sei Tsuboyama, Akihiro Ohta, Masaya Yanagita

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 212 KB

english, 1969

10

Cyclic tetramers of optically active aziridines: 1,4,7,10-tetrabenzyl-2,5,8,11-tetra-(R)-ethyl-1,4,7,10-tetraazacyclododecane

Sei Tsuboyama, Kaoru Tsuboyama, Iwami Higashi, Masaya Yanagita

Journal:

Tetrahedron Letters

Year:

1970

Language:

english

File:

PDF, 210 KB

english, 1970

11

CH/π interaction in the conformation of peptides. A database study

Yoji Umezawa, Sei Tsuboyama, Hiroki Takahashi, Jun Uzawa, Motohiro

Journal:

Bioorganic & Medicinal Chemistry

Year:

1999

Language:

english

File:

PDF, 522 KB

english, 1999

12

Optical rotatory dispersion of synthetic polymer: Conformational aspects of N-substituted poly-2-ethylethylenimine

Sei Tsuboyama, Masaya Yanagita

Journal:

Journal of Polymer Science: Polymer Symposia

Year:

1968

Language:

english

File:

PDF, 389 KB

english, 1968

13

CH/π Interactions as Demonstrated in the Crystal Structure of Host/Guest Compounds. A Database Study

Hiroki Takahashi, Sei Tsuboyama, Yoji Umezawa, Kazumasa Honda, Motohiro Nishio

Journal:

Year:

2000

Language:

english

File:

PDF, 127 KB

english, 2000

14

CHπ interaction in the conformation of organic compounds. A database study

Yoji Umezawa, Sei Tsuboyama, Hiroki Takahashi, Jun Uzawa, Motohiro Nishio

Journal:

Year:

1999

Language:

english

File:

PDF, 489 KB

english, 1999

15

Spectroscopic studies of a square-pyramidal nitridochromium(V) complex

Azuma, Nagao, Ozawa, Takehiro, Tsuboyama, Sei

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1994

Language:

english

File:

PDF, 698 KB

english, 1994

16

CH/π hydrogen bonds in organic and organometallic chemistry

Nishio, Motohiro, Umezawa, Yoji, Honda, Kazumasa, Tsuboyama, Sei, Suezawa, Hiroko

Journal:

Year:

2009

Language:

english

File:

PDF, 5.41 MB

english, 2009

17

Chiral Recognition of α-Amino Acids by an Optically Active (2 S ,5 S ,8 S ,11 S )-2,5,8,11-Tetraethyl Cyclen Cobalt(III) Complex

Tashiro, Shohei, Ogura, Yasuyo, Tsuboyama, Sei, Tsuboyama, Kaoru, Shionoya, Mitsuhiko

Journal:

Inorganic Chemistry

Year:

2011

Language:

english

File:

PDF, 1.91 MB

english, 2011

18

Macrocyclic transition states in mass spectrometry. Long chain .alpha.,.omega.-bis(trimethylsilyl)ethers

White, E., Tsuboyama, Sei, McCloskey, James A.

Journal:

Journal of the American Chemical Society

Year:

1971

Language:

english

File:

PDF, 292 KB

english, 1971

19

Mass spectrometry of cyclonucleosides

McCloskey, James A., Tsuboyama, Sei.

Journal:

Journal of Organic Chemistry

Year:

1972

Language:

english

File:

PDF, 786 KB

english, 1972

20

The CHâ‹¯Ï€ interaction as an important factor in the crystal packing and in determining the structure of clathratesA comprehensive literature list for the CHâ‹¯Ï€ interaction is available on the following website: http://www.tim.hi-ho.ne.jp/dionisio

Suezawa, Hiroko, Yoshida, Takashi, Hirota, Minoru, Takahashi, Hiroki, Umezawa, Yoji, Honda, Kazumasa, Tsuboyama, Sei, Nishio, Motohiro

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

2001

Language:

english

File:

PDF, 437 KB

english, 2001

21

Amino-acid complexation to a cobalt(III) complex of optically-active (2R,5R,8R,11R)-2,5,8,11 -tetraethyl-1,4,7,10-tetra-azacyclododecane (L). Preparation, characterization, and structure determinations of [Co III {(R)-or(S)-alaO}L]Br[ClO4]�H2O

Tsuboyama, Sei, Sakurai, Tosio, Tsuboyama, Kaoru

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1987

Language:

english

File:

PDF, 842 KB

english, 1987

22

Preparation, molecular structure, and stereochemical properties of copper(II) complexes co-ordinated to (3S)- and (RS)-3-aminopiperidine: effect of ring size on stereochromism

Miyamura, Kazuo, Saburi, Masahiko, Tsuboyama, Sei, Tsuboyama, Kaoru, Sakurai, Tosio

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1988

Language:

english

File:

PDF, 810 KB

english, 1988

23

Structure of the double salt [CoII(Cl)L3]Cl?[CoIII(CO3)L3]Cl [L3=(2R,5R,8R,11R)-1,7-dibenzyl-2,5,8,11-tetraethyl-1,4,7,10-tetraazacyclododecane] and related species

Tsuboyama, Sei, Fujimoto, Junichi, Hanabira, Shigeyuki, Yasuda, Noriyuki, Kobayashi, Kimiko, Sakurai, Tosio, Tsuboyama, Kaoru

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1996

Language:

english

File:

PDF, 894 KB

english, 1996

24

Preparation and structure of nickel(II) complexes of N-substituted tetra-aza macrocycles: molecular structure of [(1RS,4SR,5RS,8SR,11RS,12SR)-1,5,8,12- tetramethyl-1,4,8,11-tetra-azacyclotetradecane]nickel(II) diperchloratet

Miyamura, Kazuo, Kohzuki, Masatomo, Narushima, Ryoichi, Saburi, Masahiko, Gohshi, Yohichi, Tsuboyama, Sei, Tsuboyama, Kaoru, Sakurai, Tosio

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1987

Language:

english

File:

PDF, 668 KB

english, 1987

25

Studies on metal complexes of chiral cyclen. Part 14. Configurational isomerism in a complex of cobalt(III)

Tsuboyama, Sei, Shiga, Yoshikatsu, Takasyo, Yoshinobu, Chijimatsu, Tamiko, Kobayashi, Kimiko, Tsuboyama, Kaoru, Sakurai, Tosio

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1992

Language:

english

File:

PDF, 771 KB

english, 1992

26

Functionalized amino acid complexation to a cobalt(III) complex of (2R,5R,8R,11R)-2,5,8,11-tetraethyl-1,4,7,10-tetra-azacyclododecane. Crystal structures of complexes containing (R)- or (S)-serine and (R)-?-methylserine, and release of amino acid from the complexes

Tsuboyama, Sei, Miki, Shigeru, Chijimatsu, Tamiko, Tsuboyama, Kaoru, Sakurai, Tosio

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1989

Language:

english

File:

PDF, 805 KB

english, 1989

27

ChemInform Abstract: The CH/π Hydrogen Bond: Implication in Crystal Engineering

Nishio, Motohiro, Umezawa, Yoji, Suezawa, Hiroko, Tsuboyama, Sei

Journal:

Year:

2013

File:

PDF, 20 KB

2013

28

Crystal Structue and Absolute Configuration of a New cis -Fused Caryophyllene Derivative. Naematlin 3- p -Bromobenzoate

Tsuboyama, Sei, Sakurai, Tosio, Tsuboyama, Kaoru, Doi, Kozo

Journal:

Bulletin of the Chemical Society of Japan

Year:

1986

File:

PDF, 516 KB

1986

29

Catalytic Asymmetric Cyanohydrin Synthesis with Synthetic Optically Active Polymer. I. Synthesis of Benzaldehyde Cyanohydrin

Journal:

Bulletin of the Chemical Society of Japan

Year:

1962

Language:

english

File:

PDF, 10.92 MB

english, 1962

30

Catalytic Asymmetric Benzaldehyde Cyanohydrin Synthesis with Synthetic Optically Active Polymer. II. Cross-linked Poly-(s)-isobutylethylenimine

Journal:

Bulletin of the Chemical Society of Japan

Year:

1965

Language:

english

File:

PDF, 7.91 MB

english, 1965

31

Catalytic Asymmetric Benzaldehyde Cyanohydrin Synthesis with Synthetic Optically Active Polymer. III. N -Substituted Poly-(s)-isobutylethylenimine

Journal:

Bulletin of the Chemical Society of Japan

Year:

1966

Language:

english

File:

PDF, 11.06 MB

english, 1966

32

Stereochemical Properties of Copper(II) Complexes of ( RS )-3-Aminohexahydroazepine: Crystal and Molecular Structures of [( R )-3-Aminohexahydroazepine][( S )-3-aminohexahydroazepine]copper(II) Diperchlorate, [Cu( R -ahaz)( S -ahaz)](ClO 4 ) 2 and Related Complexes

Saburi, Masahiko, Miyamura, Kazuo, Morita, Masatoshi, Yoshikawa, Sadao, Tsuboyama, Sei, Sakurai, Tosio, Yamazaki, Hiroshi, Tsuboyama, Kaoru

Journal:

Bulletin of the Chemical Society of Japan

Year:

1987

File:

PDF, 1.71 MB

1987

33

Stereochemical Properties of Copper(II) Complexes of ( S )-3-Aminohexahydroazepine. Crystal and Molecular Structure of Bromobis[( S )-3-aminohexahydroazepine]copper(II)Perchlorate [CuBr( S -ahaz) 2 ]ClO 4

Saburi, Masahiko, Miyamura, Kazuo, Morita, Masatoshi, Mizoguchi, Yasuo, Yoshikawa, Sadao, Tsuboyama, Sei, Sakurai, Tosio, Tsuboyama, Kaoru

Journal:

Bulletin of the Chemical Society of Japan

Year:

1987

File:

PDF, 1.14 MB

1987

34

SYNTHESIS OF OPTICALLY ACTIVE DIAMINO-DIIMINE MACROCYCLE (6 S ,15 S )-1,5,10,14-TETRAAZA-4,13-DIMETHYL-TRICYCLO[13.3.1.1 6,10 ]ICOSA-4,13-DIENE AND MOLECULAR STRUCTURE OF ITS NICKEL(II) COMPLEX

Miyamura, Kazuo, Saburi, Masahiko, Gohshi, Yohichi, Tsuboyama, Sei, Sakurai, Toshio

Journal:

Chemistry Letters

Year:

1986

Language:

english

File:

PDF, 8.17 MB

english, 1986

35

Single-crystal ESR and X-Ray Crystallographical Studies of a Binuclear Copper(II) Complex with a Coaxially Stacked Square-pyramidal Geometry

Kajikawa, Yuji, Sakurai, Tosio, Azuma, Nagao, Kohno, Shizue, Tsuboyama, Sei, Kobayashi, Kimiko, Mukai, Kazuo, Ishizu, Kazuhiko

Journal:

Bulletin of the Chemical Society of Japan

Year:

1984

File:

PDF, 856 KB

1984

36

CH/ π Interaction in the Crystal Structure of Organic Compounds. A Database Study

Umezawa, Yoji, Tsuboyama, Sei, Honda, Kazumasa, Uzawa, Jun, Nishio, Motohiro

Journal:

Bulletin of the Chemical Society of Japan

Year:

1998

File:

PDF, 1.36 MB

1998

37

Hydrogen-Bond-Like Nature of the CH/π Interaction as Evidenced by Crystallographic Database Analyses and Ab Initio Molecular Orbital Calculations

Takahashi, Osamu, Kohno, Yuji, Iwasaki, Sachiyo, Saito, Ko, Iwaoka, Michio, Tomoda, Shuji, Umezawa, Yoji, Tsuboyama, Sei, Nishio, Motohiro

Journal:

Bulletin of the Chemical Society of Japan

Year:

2001

Language:

english

File:

PDF, 1008 KB

english, 2001

38

CYCLIC TETRAMERS OF CHIRAL AZIRIDINES. II. ISOLATION OF FOUR STEREOISOMERS

Tsuboyama, Kaoru, Tsuboyama, Sei, Uzawa, Jun, Higashi, Iwami

Journal:

Chemistry Letters

Year:

1974

Language:

english

File:

PDF, 4.90 MB

english, 1974

39

Stereoregularity of Poly-(R)-2-ethylaziridine

Tsuboyama, Kaoru, Tsuboyama, Sei, Yanagita, Masaya

Journal:

Bulletin of the Chemical Society of Japan

Year:

1967

Language:

english

File:

PDF, 8.54 MB

english, 1967

40

The Role of a Spin-Coupled Intermediate in a System Consisting of Tetraminecobalt(III) Complexes and Catechols –A Model Intermediate of Dioxygenase Reaction–

Nakashima, Satoru, Ohya-Nishiguchi, Hiroaki, Hirota, Noboru, Tsuboyama, Sei, Chijimatsu, Tamiko

Journal:

Bulletin of the Chemical Society of Japan

Year:

1992

File:

PDF, 1.22 MB

1992

41

STRUCTURES OF NAEMATOLIN AND NAEMATOLIN B, 1S,9S-RING-FUSED CARYOPHYLLANE SESQUITERPENOIDS

Doi, Kozo, Shibata, Takao, Nara, Masataka, Tsuboyama, Sei, Sakurai, Tosio, Tsuboyama, Kaoru

Journal:

Chemistry Letters

Year:

1986

Language:

english

File:

PDF, 6.72 MB

english, 1986

42

Crystal Structures of (R)- and (S)-Methionato-(SSSR)-((2R,5R,8R,11R)-2,5,8,11-tetraethyl-1,4,7,10-tetraazacyclodecane)cobalt(III) Diperchlorate Monohydrate.

KOBAYASHI, Kimiko, TSUBOYAMA, Sei, TABATA, Naoyuki, TSUBOYAMA, Kaoru, SAMURAI, Tosio

Journal:

Analytical Sciences

Year:

1996

Language:

english

File:

PDF, 140 KB

english, 1996

43

Ligand Determination of a Copper Complex by Cu 2p X-Ray Photoelectron Spectroscopy.

KAWAI, Jun, TSUBOYAMA, Sei, ISHIZU, Kazuhiko, MIYAMURA, Kazuo, SABURI, Masahiko

Journal:

Analytical Sciences

Year:

1994

Language:

english

File:

PDF, 401 KB

english, 1994

44

Molecular Structure of Chloro-((2S,5S,8S,11S)-2,5,8,11-tetraethyl-1,4,7,10-tetraazacyclododecane)zinc(II) Perchlorate.

KOBAYASHI, Kimiko, SHIONOYA, Mitsuhiko, KIMURA, Eiichi, TSUBOYAMA, Kaoru, TSUBOYAMA, Sei

Journal:

Analytical Sciences

Year:

1995

Language:

english

File:

PDF, 110 KB

english, 1995

45

Structural Studies on Metal Complexes. Part 17. Molecular Structure of (R)-Threonato(optically active cyclen)cobalt(III) Complex.

TSUBOYAMA, Sei, KOBAYASHI, Kimiko, TSUBOYAMA, Kaoru, SAKURAI, Tosio

Journal:

Analytical Sciences

Year:

1995

Language:

english

File:

PDF, 101 KB

english, 1995

46

Crystal Structure of N,N'-Ditosyl-O,O'-dimesyl-3,6-diazaoctane-1,8-diol.

IWATA, Masaaki, KOBAYASHI, Kimiko, TSUBOYAMA, Sei

Journal:

Analytical Sciences

Year:

1997

Language:

english

File:

PDF, 76 KB

english, 1997

47

Crystal Structure of (S)-.ALPHA.-Methyltyrosinato-(SSSR)-[(2R,5R,8R,11R)-2,5,8,11-tetraethyl-1,4,7,10-tetraazacyclododecane]cobalt(III) Bromide Perchlorate Dihydrate.

KOBAYASHI, Kimiko, TAKAHASHI, Hiroki, NISHIO, Motohiro, UMEZAWA, Yoji, TSUBOYAMA, Kaoru, TSUBOYAMA, Sei

Journal:

Analytical Sciences

Year:

2000

Language:

english

File:

PDF, 119 KB

english, 2000

48

COVALENCY OF COPPER COMPLEXES DETERMINED BY Cu 2p X-RAY PHOTOELECTRON SPECTROMETRY

KAWAI, Jun, TSUBOYAMA, Sei, ISHIZU, Kazuhiko, MIYAMURA, Kazuo, SABURI, Masahiko

Journal:

Analytical Sciences

Year:

1991

Language:

english

File:

PDF, 2.98 MB

english, 1991

49

Molecular Structure and Absolute Configuration of 1-Benzyl-(+)-2- methylazetidine Hydrobromide

KOBAYASHI, Kimiko, SASSA, Masashi, YAJIMA, Keiji, TSUBOYAMA, Sei, ENOMOTO, Kouichiro, MIYAMAE, Hiroshi

Journal:

Analytical Sciences X-ray Structure Analysis Online

Year:

2003

Language:

english

File:

PDF, 3.25 MB

english, 2003

50

Crystal Structure of 2(S),5(S),8(S),11(S)-1,4,7,10-tetraethyl-2,5,8,11-tetraisobutyl-1,4,7,10-tetraazacyclododecane and Its Analog.

KOBAYASHI, Kimiko, TSUBOYAMA, Kaoru, TSUBOYAMA, Sei

Journal:

Analytical Sciences

Year:

1996

Language:

english

File:

PDF, 132 KB

english, 1996

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