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1

Reductive Reformatsky–Honda Reaction of α,β-Unsaturated Esters: Facile Formation of 1,3-Dicarbonyl Compounds and β-Hydroxy Esters

Kazuyuki Sato, Motoyuki Isoda, Shizuka Ohata, Shuhei Morita, Atsushi Tarui, Masaaki Omote, Itsumaro Kumadaki, Akira Ando

Journal:

Advanced Synthesis & Catalysis

Year:

2012

Language:

english

File:

PDF, 250 KB

english, 2012

2

One-pont synthesis of 5-fluoro-6-alkoxy-5,6-dihydrouracils

Yoshiro Kobayashi, Itsumaro Kumadaki, Atsuro Nakazato

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 127 KB

english, 1980

3

Melon GliSODin® Prevents Diet-Induced NASH Onset by Reducing Fat Synthesis and Improving Liver Function

Nakamura,, Kitamura,, Yokoyama,, Uchida,, Kumadaki,, Tsubota,, Watanabe,

Journal:

Year:

2019

Language:

english

File:

PDF, 2.80 MB

english, 2019

4

Synthesis of fluorine compounds using zinc complex of halothane

Toshiyuki Takagi, Makoto Nakamoto, Kazuyuki Sato, Mayumi Koyama, Akira Ando, Itsumaro Kumadaki

Journal:

Year:

1996

Language:

english

File:

PDF, 582 KB

english, 1996

5

Reaction of trist(trifluoromethyl)cyclopropenyl trifluoromethyl ketone with azo compounds in the presence of triphenylphosphine, and synthesis of tetrakis(trifluoromethyl)pyridazine.

Yoshiro Kobayashi, Takaharu Nakano, Kazuharu Shirahashi, Akira Takeda, Itsumaro Kumadaki

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 223 KB

english, 1980

6

Diels-alder reaction of cyclopropenylketone

Yoshiro Kabayashi, Tsutomu Yoshida, Yuji Hanzawa, Itsumaro Kumadaki

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 223 KB

english, 1980

7

Synthesis of 2-chloro-1,1-difluoroallyl mesylates through novel rearrangement and CC bond formation by their Pd-catalyzed reaction with diethylzinc

Akira Ando, Masakazu Nishihara, Kazuyuki Sato, Masaaki Omote, Itsumaro Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

2005

Language:

english

File:

PDF, 220 KB

english, 2005

8

Novel reduction of perfluoroalkyl ketones with lithium alkoxides

Yasser S. Sokeirik, Kazuyuki Sato, Masaaki Omote, Akira Ando, Itsumaro Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

2006

Language:

english

File:

PDF, 108 KB

english, 2006

9

Rhodium-catalyzed α-fluoroalkylation reaction of ketones using silyl enol ethers

Kazuyuki Sato, Makoto Higashinagata, Takashi Yuki, Atsushi Tarui, Masaaki Omote, Itsumaro Kumadaki, Akira Ando

Journal:

Journal of Fluorine Chemistry

Year:

2008

Language:

english

File:

PDF, 224 KB

english, 2008

10

Rh-catalyzed novel α-fluoroalkylation of α,β-unsaturated ketones and its mechanism

Kazuyuki Sato, Yoshitaka Ishida, Eriko Murata, Yumiko Oida, Yasumitsu Mori, Miho Okawa, Kayoko Iwase, Atsushi Tarui, Masaaki Omote, Itsumaro Kumadaki, Akira Ando

Journal:

Year:

2007

Language:

english

File:

PDF, 304 KB

english, 2007

11

Synthesis of new axially dissymmetric ligand with large perfluoroalkyl groups

Masaaki Omote, Yuji Nishimura, Kazuyuki Sato, Akira Ando, Itsumaro Kumadaki

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 271 KB

english, 2005

12

The simple and selective synthesis of 3-amino-2,2-difluorocarboxylic esters and difluoro-β-lactams using ethyl bromodifluoroacetate in the presence of rhodium catalyst

Kazuyuki Sato, Atsushi Tarui, Seiji Matsuda, Masaaki Omote, Akira Ando, Itsumaro Kumadaki

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 100 KB

english, 2005

13

Reactions of trifluoromethyl ketones. IX. Investigation of the steric effect of a trifluoromethyl group based on the stereochemistry on the dehydration of trifluoromethyl homoallyl alcohols

Takabumi Nagai, Goro Nishioka, Mayumi Koyama, Akira Ando, Takuichi Miki, Itsumaro Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

1992

Language:

english

File:

PDF, 554 KB

english, 1992

14

Thermolysis of hexakis(trifluoromethyl)benzene

Yoshiro Kobayashi, Itsumaro Kumadaki, Shigeru Kuboki

Journal:

Journal of Fluorine Chemistry

Year:

1982

Language:

english

File:

PDF, 144 KB

english, 1982

15

1,4-Addition reaction of ethyl bromodifluoroacetate to Michael acceptors in the presence of copper powder: Improvement of the reaction using TMEDA as an additive

Kazuyuki Sato, Sumika Nakazato, Hiroko Enko, Hiroaki Tsujita, Katsumi Fujita, Takeya Yamamoto, Masaaki Omote, Akira Ando, Itsumaro Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

2003

Language:

english

File:

PDF, 103 KB

english, 2003

16

Reaction of Halothane with sec-butyllithium in the presence of zinc halides—one-pot preparation of chlorodifluorovinylzinc reagent and its derivatization to α-chloro-β,β-difluorostyrene

Masakazu Nishihara, Yuki Nakamura, Naoki Maruyama, Kazuyuki Sato, Masaaki Omote, Akira Ando, Itsumaro Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

2003

Language:

english

File:

PDF, 99 KB

english, 2003

17

Reaction of halothane with carbonyl compounds in the presence of bases

Akira Ando, Junko Takahashi, Yuki Nakamura, Naoki Maruyama, Masakazu Nishihara, Kaori Fukushima, Jin Moronaga, Mayumi Inoue, Kazuyuki Sato, Masaaki Omote, Itsumaro Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

2003

Language:

english

File:

PDF, 100 KB

english, 2003

18

Synthesis and langmuir isotherms of difluorostearic acids

David O'Hagan, Itsumaro Kumadaki, Michael Petty, Hiroaki Takaya, Christopher Pearson

Journal:

Journal of Fluorine Chemistry

Year:

1998

Language:

english

File:

PDF, 596 KB

english, 1998

19

Synthesis of organofluorine compounds using ene type reaction of N-(p-toluenesulfonyl)trifluoroacetaldehyde imine

Itsumaro Kumadaki, Shuichi Jonoshita, Atsuhiro Harada, Masaaki Omote, Akira Ando

Journal:

Journal of Fluorine Chemistry

Year:

1999

Language:

english

File:

PDF, 132 KB

english, 1999

20

Derivation of oxahomocubanes from dewar thiophene

Yoshiro Kobayashi, Itsumaro Kumadaki, Akio Ohsawa, Yasuo Sekine

Journal:

Tetrahedron Letters

Year:

1974

Language:

english

File:

PDF, 174 KB

english, 1974

21

A novel axially dissymmetric ligand with chiral 2,2,2-trifluoro-1-hydroxyethyl groups

Masaaki Omote, Akane Kominato, Michi Sugawara, Kazuyuki Sato, Akira Ando, Itsumaro Kumadaki

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 153 KB

english, 1999

22

Reactions of ethyl bromodifluoroacetate in the presence of copper powder

K. Sato, M. Omote, A. Ando, I. Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

2004

Language:

english

File:

PDF, 176 KB

english, 2004

23

Recycling of fluorinated axially dissymmetric ligand with fluorous solvent

Masaaki Omote, Yuji Nishimura, Kazuyuki Sato, Akira Ando, Itsumaro Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

2005

Language:

english

File:

PDF, 122 KB

english, 2005

24

α-Fluoroalkylation of carbonyl compounds mediated by a highly reactive alkyl-rhodium complex

Kazuyuki Sato, Satoshi Yamazoe, Yukiko Akashi, Tetsuya Hamano, Arisa Miyamoto, Shuhei Sugiyama, Atsushi Tarui, Masaaki Omote, Itsumaro Kumadaki, Akira Ando

Journal:

Journal of Fluorine Chemistry

Year:

2010

Language:

english

File:

PDF, 210 KB

english, 2010

25

Synthesis of new fluorovinylzinc reagents and their application for synthesis of fluorine analogs of protoporphyrin

Tsuyoshi Shigeoka, Yasuhisa Kuwahara, Kiyoko Watanabe, Kazuyuki Sato, Masaaki Omote, Akira Ando, Itsumaro Kumadaki

Journal:

Journal of Fluorine Chemistry

Year:

2000

Language:

english

File:

PDF, 178 KB

english, 2000

26

Trifluoromethylation of aliphatic halides with trifluoromethyl copper

Yoshiro Kobayashi, Kenjiro Yamamoto, Itsumaro Kumadaki

Journal:

Tetrahedron Letters

Year:

1979

Language:

english

File:

PDF, 115 KB

english, 1979

27

The Diastereoselective Synthesis of Difluoro-b-lactam Using Reformatsky-Honda Reaction

Tarui, Atsushi, Kondo, Keigo, Taira, Hiroko, Sato, Kazuyuki, Omote, Masaaki, Kumadaki, Itsumaro, Ando, Akira

Journal:

Year:

2007

Language:

english

File:

PDF, 169 KB

english, 2007

28

Direct Synthesis of 1,3-Diketones by Rh-Catalyzed Reductive α-Acylation of Enones

Sato, Kazuyuki, Yamazoe, Satoshi, Yamamoto, Rie, Ohata, Shizuka, Tarui, Atsushi, Omote, Masaaki, Kumadaki, Itsumaro, Ando, Akira

Journal:

Organic Letters

Year:

2008

Language:

english

File:

PDF, 100 KB

english, 2008

29

New approach to 3,3-difluoroallyl alcohol

Masaaki Omote, Tatsuya Miake, Atsushi Tarui, Kazuyuki Sato, John T. Welch, Itsumaro Kumadaki, Akira Ando

Journal:

Journal of Fluorine Chemistry

Year:

2012

Language:

english

File:

PDF, 259 KB

english, 2012

30

Radical Reaction Using an Organocopper Reagent Derived from Ethyl Bromodifluoroacetate

Sato, Kazuyuki, Ogawa, Yuko, Tamura, Misato, Harada, Mika, Ohara, Terumasa, Omote, Masaaki, Ando, Akira, Kumadaki, Itsumaro

Journal:

Collection of Czechoslovak Chemical Communications

Year:

2002

Language:

english

File:

PDF, 113 KB

english, 2002

31

New approach to synthesize β,β-difluorohomoallylic alcohols

Omote, Masaaki, Miake, Tatsuya, Tarui, Atsushi, Sato, Kazuyuki, Kumadaki, Itsumaro, Ando, Akira

Journal:

Journal of Fluorine Chemistry

Year:

2013

Language:

english

File:

PDF, 238 KB

english, 2013

32

Reaction of heterocyclic compounds. VII. Oxidative cyanation of heteroaromatic N-oxides

Kobayashi, Yoshiro., Kumadaki, Itsumaro., Sato, Haruo.

Journal:

Journal of Organic Chemistry

Year:

1972

Language:

english

File:

PDF, 432 KB

english, 1972

33

Rhodium-Catalyzed Novel Trifluoromethylation at the α-Position of α,β-Unsaturated Ketones

Sato, Kazuyuki, Omote, Masaaki, Ando, Akira, Kumadaki, Itsumaro

Journal:

Organic Letters

Year:

2004

Language:

english

File:

PDF, 56 KB

english, 2004

34

Csp 3 –Csp 3 Homocoupling Reaction of Benzyl Halides Catalyzed by Rhodium

Sato, Kazuyuki, Inoue, Yuichi, Mori, Tomohisa, Sakaue, Atsushi, Tarui, Atsushi, Omote, Masaaki, Kumadaki, Itsumaro, Ando, Akira

Journal:

Organic Letters

Year:

2014

Language:

english

File:

PDF, 598 KB

english, 2014

35

Organic fluorine compounds. 34. Some reactions of valence-bond isomers of tetrakis(trifluoromethyl)pyrroles

Kobayashi, Yoshiro, Ando, Akira, Kawada, Kosuke, Kumadaki, Itsumaro

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 428 KB

english, 1980

36

Synthesis of a Fluorous Ligand and Its Application for Asymmetric Addition of Dimethylzinc to Aldehydes

Sokeirik, Yasser S., Mori, Hiroyuki, Omote, Masaaki, Sato, Kazuyuki, Tarui, Atsushi, Kumadaki, Itsumaro, Ando, Akira

Journal:

Organic Letters

Year:

2007

Language:

english

File:

PDF, 54 KB

english, 2007

37

Organic fluorine compounds. Part 32. A 1,3-dipolar cycloaddition reaction of tetrakis(trifluoromethyl)(dewar thiophene) and some reactions of the cycloadducts

Kobayashi, Yoshiro, Ando, Akira, Kawada, Kosuke, Ohsawa, Akio, Kumadaki, Itsumaro

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 747 KB

english, 1980

38

Synthesis of (2,2,2-trifluoroethyl)benzene derivatives

Ando, Akira, Miki, Takuichi, Kumadaki, Itsumaro

Journal:

Journal of Organic Chemistry

Year:

1988

Language:

english

File:

PDF, 465 KB

english, 1988

39

Organic fluorine compounds. 33. Derivation of tetrakis(trifluoromethyl)(Dewar pyrroles) from tetrakis(trifluoromethyl)(Dewar thiophene)

Kobayashi, Yoshiro, Ando, Akira, Kawada, Kosuke, Kumadaki, Itsumaro

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 447 KB

english, 1980

40

A method for synthesis of fluorine compounds using abnormal Grignard reaction of halothane

Takagi, Toshiyuki, Takesue, Atsushi, Koyama, Mayumi, Ando, Akira, Miki, Takuichi, Kumadaki, Itsumaro, Sato, Tomohiro

Journal:

Journal of Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 426 KB

english, 1992

41

Palmitate Impairs and Eicosapentaenoate Restores Insulin Secretion Through Regulation of SREBP-1c in Pancreatic Islets

Kato, T., Shimano, H., Yamamoto, T., Ishikawa, M., Kumadaki, S., Matsuzaka, T., Nakagawa, Y., Yahagi, N., Nakakuki, M., Hasty, A. H., Takeuchi, Y., Kobayashi, K., Takahashi, A., Yatoh, S., Suzuki, H.,

Journal:

Year:

2008

Language:

english

File:

PDF, 454 KB

english, 2008

42

1,3-Dipolar Cycloaddition Reaction of Aromatic N-Oxide with Hexafluorobutyne-2

Kobayashi, Yoshiro, Kumadaki, Itsumaro, Fujino, Shomi

Journal:

Year:

1977

Language:

english

File:

PDF, 107 KB

english, 1977

43

Synthesis of 4,4-Difluoro-a-tocopherol Using a Cross-coupling Reaction of Bromodifluoroacetate with Aryl Iodide in the Presence of Copper Powder

Kumadaki, Itsumaro, Sato, Kazuyuki, Nishimoto, Takashi, Tamoto, Kei, Omote, Masaaki, Ando, Akira

Journal:

Year:

2002

Language:

english

File:

PDF, 70 KB

english, 2002

44

Synthesis of β,β-Difluoro-γ,δ-unsaturated Carboxylic Esters Using Claisen Rearrangement

Takagi, Toshiyuki, Okikawa, Naoko, Johnoshita, Shuichi, Koyama, Mayumi, Ando, Akira, Kumadaki, Itsumaro

Journal:

Year:

1996

File:

PDF, 234 KB

1996

45

Trifluoromethylation of Organic Compounds and Related Reactions

Sato, Kazuyuki, Tarui, Atsushi, Omote, Masaaki, Ando, Akira, Kumadaki, Itsumaro

Journal:

Year:

2010

Language:

english

File:

PDF, 378 KB

english, 2010

46

Studies on organic fluorine compounds. Part 25. Diels?Alder reaction of hexakis(trifluoromethyl)benzvalene

Kobayashi, Yoshiro, Honda, Masamitsu, Hanzawa, Yuji, Kumadaki, Itsumaro, Ohsawa, Akio

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1979

Language:

english

File:

PDF, 295 KB

english, 1979

47

Synthesis of fluorinated isoxazoles using SelectfluorTM: preparation and characterization of 4-fluoroisoxazole, 4,4,5-trifluoroisoxazoline and 4,4-difluoro-5-hydroxyisoxazoline systems from one-pot and multi-step processes

Sato, Kazuyuki, Sandford, Graham, Shimizu, Keiji, Akiyama, Satomi, Lancashire, Marcus J., Yufit, Dmitry S., Tarui, Atsushi, Omote, Masaaki, Kumadaki, Itsumaro, Harusawa, Shinya, Ando, Akira

Journal:

Year:

2016

Language:

english

File:

PDF, 837 KB

english, 2016

48

ChemInform Abstract: ORGANIC FLUORINE COMPOUNDS. 34. SOME REACTIONS OF VALENCE-BOND ISOMERS OF TETRAKIS(TRIFLUOROMETHYL)PYRROLES

KOBAYASHI, Y., ANDO, A., KAWADA, K., KUMADAKI, I.

Journal:

Chemischer Informationsdienst

Year:

1980

File:

PDF, 126 KB

1980

49

Fluoro-olefin chemistry. Part 14. Preparation and photochemical rearrangement of some acyclic perfluoroalkyl and polyfluoroalkyl olefins

Fields, Roy, Haszeldine, Robert N., Kumadaki, Itsumaro

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1982

Language:

english

File:

PDF, 720 KB

english, 1982

50

Stereoselective Synthesis of α-Fluorinated Amino Acid Derivatives

Atsushi Tarui, Kazuyuki Sato, Masaaki Omote, Itsumaro Kumadaki, Akira Ando

Journal:

Advanced Synthesis & Catalysis

Year:

2010

Language:

english

File:

PDF, 395 KB

english, 2010