Somekawa, Kenichi: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Molecular Simulation of Hydrogen Bonds, Diels-Alder Reactions, Urethane Formation from Isocyanates andPhotochromism of Dithienylethenes byNew MOPAC2016 Hamiltonians and the Evaluation; MOPAC2016新ハミルトニアンによる水素結合,Diels-Alder 反応, イソシアネートのウレタン化反応,光異性化反応等のシミュレーション解析と評価;

SOMEKAWA, Kenichi, UEDA, Takehiko

Journal:

Journal of Computer Chemistry Japan

Year:

2018

File:

PDF, 1.74 MB

2018

2

ChemInform Abstract: Stereoselective Photo[4 + 2]cycloadditions of 2-Pyrone-5-carboxylates with Maleimides in the Solid State and in Solution.

Toru Obata, Tetsuro Shimo, Takaaki Suishu, Kenichi Somekawa

Journal:

Year:

1999

File:

PDF, 29 KB

1999

3

ChemInform Abstract: Peri-, Site- and Stereocontrolled Photocycloaddition of 4-Methoxy-6-methyl-2-pyrone with Maleimide Induced by the Hydrogen Bond and CT Stacking in the Solid State.

Toru Obata, Tetsuro Shimo, Shigeyoshi Yoshimoto, Kenichi Somekawa, Masaru Kawaminami

Journal:

Year:

1999

File:

PDF, 30 KB

1999

4

Photocycloaddition Reactions of 2-Pyrones

Tetsuro Shimo, Kenichi Somekawa

Journal:

Year:

2004

File:

PDF, 47 KB

2004

5

ChemInform Abstract: Molecular Simulations of Photoaddition Selectivity and Chirality in Challenging Photochemical Reactions

Kenichi Somekawa, Yuka Odo, Tetsuro Shimo

Journal:

Year:

2010

File:

PDF, 15 KB

2010

6

ChemInform Abstract: Facile Synthesis of 3-(Succinimid-3-yl)-2-oxo-2,3-dihydroimidazo[1,2-a]pyridine Derivatives by Sequential Intra- and Intermolecular Michael Reactions Between 2-Aminopyridines and Maleimides.

Tetsuro Shimo, Tomoko Itoh, Yasutaka Araki, Tetsuo Iwanaga, Teruo Shinmyozu, Kenichi Somekawa

Journal:

Year:

2011

File:

PDF, 25 KB

2011

7

Ring-transformation reactions of 5-hydroxy-2-oxabicyclo[3.2.0]-heptan-4-ones and 5-hydroxy-2-oxabicyclo[3.2.0]hept-6-en-4-ones

Tetsuro Shimo, Hidemi Minamishin, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1997

File:

PDF, 196 KB

1997

8

Singlet and triplet photocycloaddition reactions of 2-pyridones with propenoate and 2,4-pentadienotes, and the frontier molecular orbital analysis

Takaaki Suishu, Seiichiro Tsuru, Tetsuro Shimo, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1997

File:

PDF, 480 KB

1997

9

Stereoselective photo[4+2]cycloadditions of 2-pyrone-5-carboxylates with maleimides in the solid state and in solution

Tom Obata, Tetsuro Shimo, Takaaki Suishu, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1998

File:

PDF, 225 KB

1998

10

Solid-state and solution photocycloadditions of 4-acyloxy-2-pyrones with maleimide

Tetsuro Shimo, Mitsuhito Matsushita, Huda Izzat Omar, Kenichi Somekawa

Journal:

Year:

2005

Language:

english

File:

PDF, 294 KB

english, 2005

11

Solid-state photocycloaddition of 6,6′-dimethyl-4,4′-[bis(methylenoxy)phenylene]-di-2-pyrones with benzophenone

Weidong Wang, Tetsuro Shimo, Hiroaki Hashimoto, Kenichi Somekawa

Journal:

Year:

2007

Language:

english

File:

PDF, 310 KB

english, 2007

12

One-pot synthesis of macrocyclic compounds possessing two cyclobutane rings by sequential inter- and intramolecular [2+2] photocycloaddition reactions

Hideki Miyauchi, Chie Ikematsu, Toshiaki Shimazaki, Shinichiro Kato, Teruo Shinmyozu, Tetsuro Shimo, Kenichi Somekawa

Journal:

Year:

2008

Language:

english

File:

PDF, 731 KB

english, 2008

13

Origin of regioselectivity in the intramolecular [2+2] photoreaction of α, β-unsaturated furanones to a terminal alkene

Huda Izzat Omar, Tetsuro Shimo, Kenichi Somekawa

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

2006

Language:

english

File:

PDF, 293 KB

english, 2006

14

Remarkable interaction effects of molecular packing on site- and stereoselectivity in photocycloaddition of 2-pyrones with maleimide in the solid state

Toru Obata, Tetsuro Shimo, Mikio Yasutake, Teruo Shinmyozu, Masaru Kawaminami, Ryosuke Yoshida, Kenichi Somekawa

Journal:

Year:

2001

Language:

english

File:

PDF, 217 KB

english, 2001

15

X-Ray and MO analysis of highly stereoselective solid-state photocycloadditions of 2-pyrones with maleimide

Tetsuro Shimo, Takahiro Uezono, Toru Obata, Mikio Yasutake, Teruo Shinmyozu, Kenichi Somekawa

Journal:

Year:

2002

Language:

english

File:

PDF, 174 KB

english, 2002

16

Reactions of methylenecyclopropanes with a diethylzinc-bromoform system, and the utilization for synthesis of a novel cyclopropylidene-nucleoside

Changmei Cheng, Tetsuro Shimo, Kenichi Somekawa, Masaru Kawaminami

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 211 KB

english, 1997

17

Transition state analysis on regioselectivity in [2+2] photocycloaddition reactions of substituted 2-cyclohexenone with cycloalkenecarboxylates

Huda Izzat Omar, Yuka Odo, Yasuhiro Shigemitsu, Tetsuro Shimo, Kenichi Somekawa

Journal:

Year:

2003

Language:

english

File:

PDF, 1.13 MB

english, 2003

18

Substituent effects on the regiochemistry of enone-alkene 2+2-photocycloadditions. Experimental results and FMO analysis

Takaaki Suishu, Tetsuro Shimo, Kenichi Somekawa

Journal:

Year:

1997

Language:

english

File:

PDF, 503 KB

english, 1997

19

9-Hydroxymethylcyclopropylidenemethylenyladenine: The design, facile synthesis, isomer separation and anti-HIV-1 activities

Changmei Cheng, Tetsuro Shimo, Kenichi Somekawa, Masanori Baba

Journal:

Year:

1998

Language:

english

File:

PDF, 780 KB

english, 1998

20

Intramolecular [2 + 2]photocycloadditions of 1-(.omega.-alkenyl)-2-pyridones possessing an ester group on the olefinic carbon chain

Somekawa, Kenichi, Okuhira, Hiroyuki, Sendayama, Masayuki, Suishu, Takaaki, Shimo, Tetsuro

Journal:

Journal of Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 694 KB

english, 1992

21

Preparations of 2-azabicyclo[2.2.2]octa-5,7-dien-3-ones and 7-azabicyclo[4.2.0]octa-2,4-dien-8-ones from addition reactions of 2-pyridones

Kenichi Somekawa, Yasuo Okumura, Kunitomi Uchida, Tetsuro Shimo

Journal:

Journal of Heterocyclic Chemistry

Year:

1988

File:

PDF, 265 KB

1988

22

Diels-alder reactions of cyclohexadienes derived from decarboxylation of photo[4 + 2]cycloadducts between 4,6-dimethyl-2-pyrone and cyclic olefins

Tetsuro Shimo, Kenji Matsuo, Kenichi Somekawa, Otohiko Tsuge

Journal:

Journal of Heterocyclic Chemistry

Year:

1991

File:

PDF, 192 KB

1991

23

Intramolecular photoreactions of 4-(ω-alkenyloxy)-6-methyl-2-pyrones

Tetsuro Shimo, Mitsuo Yasuda, Jun Tajima, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1991

File:

PDF, 261 KB

1991

24

Preparation of 3-(2H-pyran-2-on-6-yl)indolizines and the diels-alder reactions with some olefinic and acetylenic dienophiles

Tetsuro Shimo, Masayuki Ohe, Kenichi Somekawa, Otohiko Tsuge

Journal:

Journal of Heterocyclic Chemistry

Year:

1991

File:

PDF, 234 KB

1991

25

Peri-selective photocycloadditions of methyl 2-pyrone-5-carboxylate with unsaturated cyclic ethers

Tetsuro Shimo, Tsuneaki Iwakiri, Kenichi Somekawa, Takaaki Suishu

Journal:

Journal of Heterocyclic Chemistry

Year:

1992

File:

PDF, 218 KB

1992

26

Novel transformations of two kinds of chlorinated photo [2 + 2] cycloadducts of 2-pyrone-5-carboxylate

Tetsuro Shimo, Kenichi Date, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1992

File:

PDF, 233 KB

1992

27

Diels-alder reactions of 2-pyrones with acyclic dienophiles and hydrolyses of the mono-adducts

Tetsuro Shimo, Katsuyuki Kataoka, Ayumi Maeda, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1992

File:

PDF, 238 KB

1992

28

Properties and cage lactone synthesis of diels-alder adducts from 2-pyrones

Tetsuro Shimo, Hideki Nagahama, Kiyotaka Yorozu, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1992

File:

PDF, 148 KB

1992

29

Preparation of 6-(nitron-c-yl)- and 6-(1,3-butadienyl)-2-pyrones and their cycloaddition reactions

Tetsuro Shimo, Kenichi Somekawa, Otohiko Tsuge

Journal:

Journal of Heterocyclic Chemistry

Year:

1992

File:

PDF, 282 KB

1992

30

Site-selective photocycloadditions of 2-pyrones with electron-poor olefins and the derivation from the cycloadducts

Tetsuro Shimo, Shinichi Yamasaki, Kenichi Date, Hisako Uemura, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1993

File:

PDF, 357 KB

1993

31

Intramolecular photoreactions of 6-(ω-alkenyl)-4-methoxy-2-pyrones

Tetsuro Shimo, Shigeki Matsuzaki, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1994

File:

PDF, 297 KB

1994

32

Photochemical behavior of 4-(ω-enyl)- and 4-(ω-dienyl)-2-pyrones

Tetsuro Shimo, Shinichi Ueda, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1995

File:

PDF, 305 KB

1995

33

Intramolecular photocycloadditions of 6,6′-dimethyl-4,4′-polymethylenedioxy-di-2-pyrones

Tetsuro Shimo, Shinichi Ueda, Takaaki Suishu, Kenichi Somekawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1995

File:

PDF, 301 KB

1995

34

Soluble Fms-like Tyrosine Kinase 1 (sFlt-1), A Candidate Molecule Involved in Pathophysiology of Cardio-Renal Connection

Kenji Onoue, Shiro Uemura, Yukiji Takeda, Hajime Iwama, Taku Nishida, Satoshi Somekawa, Kenichi Ishigami, Kimihiko Nakatani, Manabu Horii, Yoshihiko Saito

Journal:

Journal of Cardiac Failure

Year:

2008

Language:

english

File:

PDF, 47 KB

english, 2008

35

Facile Synthesis of 3-(Succinimid-3-yl)-2-oxo-2,3-dihydroimidazo[1,2-a]pyridine Derivatives by Sequential Intra- and Intermolecular Michael Reactions between 2-Aminopyridines and Maleimides

Shimo, Tetsuro, Itoh, Tomoko, Araki, Yasutaka, Iwanaga, Tetsuo, Shinmyozu, Teruo, Somekawa, Kenichi

Journal:

Year:

2011

Language:

english

File:

PDF, 726 KB

english, 2011

36

SYNTHESES OF TETRASUBSTITUTED CYCLOPENTANES

Somekawa, Kenichi, Nomura, Masafumi, Aoki, Shoichi, Noma, Shinji, Shimo, Tetsuro

Journal:

Organic Preparations and Procedures International

Year:

1993

Language:

english

File:

PDF, 448 KB

english, 1993

37

Chemistry of allene cation radicals probed by the use of theoretical and electron-transfer photochemical methods

Haddaway, Keith, Somekawa, Kenichi, Fleming, Paul, Tossell, John A., Mariano, Patrick S.

Journal:

Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 1.89 MB

english, 1987

38

Intramolecular photochemical reactions of 4-(.omega.-alkenyloxy)-6-methyl-2-pyrones having an alkoxycarbonyl group at the olefinic carbon chain

Shimo, Tetsuro, Tajima, Jun, Suishu, Takaaki, Somekawa, Kenichi

Journal:

Journal of Organic Chemistry

Year:

1991

Language:

english

File:

PDF, 662 KB

english, 1991

39

Conformational behavior of 1-alkyl-1,2,3,4-tetrahydroazocin-2-ones

Somekawa, Kenichi, Kumamoto, Sanetada, Matsuo, Taku

Journal:

Journal of Organic Chemistry

Year:

1982

Language:

english

File:

PDF, 524 KB

english, 1982

40

Electron-transfer photochemistry of allene-iminium salt systems. Probes for allene cation radical structure by theoretical and chemical techniques

Somekawa, Kenichi, Haddaway, Keith, Mariano, Patrick S., Tossell, John A.

Journal:

Journal of the American Chemical Society

Year:

1984

Language:

english

File:

PDF, 364 KB

english, 1984

41

Efficient 2-Amino-2-thiazolin-4-ones or 2-Iminothiazolidin-4-ones Formation from Thioureas and Maleimides under Solvent-Free Conditions

Shimo, Tetsuro, Matsuda, Yuki, Iwanaga, Tetsuo, Shinmyozu, Teruo, Somekawa, Kenichi

Journal:

Year:

2007

Language:

english

File:

PDF, 174 KB

english, 2007

42

Intramolecular Photochemistry of 3-Alkynyloxy-2-pyridones and Isomerization of the Photoadduct to Tricyclic β-Lactam

Somekawa, Kenichi, Oda, Hideshi, Shimo, Tetsuro

Journal:

Chemistry Letters

Year:

1991

File:

PDF, 178 KB

1991

43

Photoadducts of 2-Pyridones with Chloroethylenes and Their Derivatives

Somekawa, Kenichi, Imai, Ryusuke, Furukido, Ryuichi, Kumamoto, Sanetada

Journal:

Bulletin of the Chemical Society of Japan

Year:

1981

File:

PDF, 757 KB

1981

44

Photoadducts of 4,6-Dimethyl- and 4-Methoxy-6-methyl-2-pyrones with Chloroethylenes and Their Dehydrochlorination

Shimo, Tetsuro, Somekawa, Kenichi, Wakikawa, Yusuke, Uemura, Hisako, Tsuge, Otohiko, Imada, Kiyohisa, Tanabe, Kimiko

Journal:

Bulletin of the Chemical Society of Japan

Year:

1987

File:

PDF, 1010 KB

1987

45

Photo-Cycloaddition Reactions of 2-Pyrones

Somekawa, Kenichi, Shimo, Tetsuro, Yoshimura, Hiroyuki, Suishu, Takaaki

Journal:

Bulletin of the Chemical Society of Japan

Year:

1990

File:

PDF, 717 KB

1990

46

Molecular Simulations of Photoaddition Selectivity and Chirality in Challenging Photochemical Reactions

Somekawa, Kenichi, Odo, Yuka, Shimo, Tetsuro

Journal:

Bulletin of the Chemical Society of Japan

Year:

2009

Language:

english

File:

PDF, 1.14 MB

english, 2009

47

RING-EXPANSION OF 7-CHLORO-2-OXABICYCLO[4.2.0]OCT-4-EN-3-ONES TO 2H-OXOCIN-2-ONES WITH BASE. FORMATION OF A NEW OXACYCLOOCTATRIENONE SYSTEM

Shimo, Tetsuro, Somekawa, Kenichi, Kuwakino, Junro, Uemura, Hisako, Kumamoto, Sanetada, Tsuge, Otohiko, Kanemasa, Shuji

Journal:

Chemistry Letters

Year:

1984

Language:

english

File:

PDF, 3.57 MB

english, 1984

48

The Diels-Alder Reactions of Polychloro-2,4-cyclohexadienones

Somekawa, Kenichi, Matsuo, Taku, Kumamoto, Sanetada

Journal:

Bulletin of the Chemical Society of Japan

Year:

1969

Language:

english

File:

PDF, 11.02 MB

english, 1969

49

A NOVEL TYPE OF ADDUCTS IN THE PHOTOCHEMICAL REACTIONS OF 2-PYRIDONES WITH CYANOETHYLENES

Somekawa, Kenichi, Shimou, Tetsuro, Tanaka, Kazunori, Kumamoto, Sanetada

Journal:

Chemistry Letters

Year:

1975

Language:

english

File:

PDF, 3.18 MB

english, 1975

50

Synthesis of 9-Oxa-5-azatricyclo[4.3.0.0 3,7 ]nonan-4-ones from 4,4,5-Trihydroxy-2-oxabicyclo[3.2.0]heptane- exo -6-carbonitriles by Their Ring Transformation

Shimo, Tetsuro, Ohshima, Kazuhiro, Somekawa, Kenichi, Kawaminami, Masaru

Journal:

Bulletin of the Chemical Society of Japan

Year:

1994

File:

PDF, 468 KB

1994