KIKUGAWA, Yasuo: search on Z-Library

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

Don't use scam websites

1

The reaction of cyanopyridines with sodium borohydride in aprotic solvents

Shun-ichi Yamada, Masashi Kuramoto, Yasuo Kikugawa

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 205 KB

english, 1969

2

A simple synthesis of 5-methoxyindole and 5-methoxy-2-oxindole

Takeshi Sakamoto, Isao Hosoda, Yasuo Kikugawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1988

File:

PDF, 221 KB

1988

3

Synthesis of 6-methoxyindoles and indolines. Regioselective c-6 bromination of indolines and subsequent nucleophilic substitution with a methoxyl group

Yuko Miyake, Yasuo Kikugawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1983

File:

PDF, 220 KB

1983

4

ChemInform Abstract: Reaction of N-Phenoxyphthalimide Derivatives with Aluminum Chloride in Benzene.

Kensaku Uto, Etsuko Miyazawa, Katsuhiro Ito, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

1999

File:

PDF, 34 KB

1999

5

ChemInform Abstract: AlCl3-Mediated Aromatic Phenylthiation with N-Phenylthiophthalimide.

Satoshi Suwa, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

1999

File:

PDF, 31 KB

1999

6

ChemInform Abstract: N-Phenylation of N-Arylaminophthalimides with Triphenylbismuth and Cupric Acetate: A Convenient Synthesis of 1-Aryl-1-phenylhydrazines.

Yutaka Aoki, Yuko Saito, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

2000

File:

PDF, 31 KB

2000

7

ChemInform Abstract: A New and Convenient Synthesis of 3-Aryl-3-hydroxyisoindol-1-ones and Their Aza Analogues

Yuko Saito, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

2001

File:

PDF, 30 KB

2001

8

ChemInform Abstract: A New Intramolecular Migration of the Imino Group of O-Arylketoximes to the Aryl Group under the Beckmann Condition.

Yasuo Kikugawa, Chiho Tsuji, Etsuko Miyazawa, Takeshi Sakamoto

Journal:

Year:

2001

File:

PDF, 34 KB

2001

9

ChemInform Abstract: Reaction of Phenylhydrazines with Arenes in the Presence of Aluminum Trichloride.

Atsushi Ohwada, Shigeru Nara, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

2002

File:

PDF, 37 KB

2002

10

ChemInform Abstract: Synthesis of Carbazoles from N-(N,N-Diarylamino)phthalimides with Aluminum Chloride via Diarylnitrenium Ions.

Yasuo Kikugawa, Yutaka Aoki, Takeshi Sakamoto

Journal:

Year:

2002

File:

PDF, 32 KB

2002

11

New Method for the Synthesis of Nitriles from O-Arylaldoximes with ZrCl4.

Chiho Tsuji, Etsuko Miyazawa, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

2003

File:

PDF, 120 KB

2003

12

Introduction of a Hydroxy Group at the Para Position and N-Iodophenylation of N-Arylamides Using Phenyliodine(III) Bis(trifluoroacetate).

Naoki Itoh, Takeshi Sakamoto, Etsuko Miyazawa, Yasuo Kikugawa

Journal:

Year:

2003

File:

PDF, 226 KB

2003

13

Synthesis of Spiro-Fused Nitrogen Heterocyclic Compounds via N-Methoxy-N-acylnitrenium Ions Using Phenyliodine(III) Bis(trifluoroacetate) in Trifluoroethanol.

Etsuko Miyazawa, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

2003

File:

PDF, 134 KB

2003

14

A Convenient Synthesis of 1-Alkyl-1-phenylhydrazines from N-Aminophthalimide.

Shigeru Nara, Takeshi Sakamoto, Etsuko Miyazawa, Yasuo Kikugawa

Journal:

Year:

2003

File:

PDF, 17 KB

2003

15

Synthesis of Spirodienones by Intramolecular Ipso-Cyclization of N-Methoxy-(4-halogenophenyl)amides Using [Hydroxy(tosyloxy)iodo]benzene in Trifluoroethanol.

Etsuko Miyazawa, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

2003

File:

PDF, 105 KB

2003

16

Intramolecular Cyclization with Nitrenium Ions Generated by Treatment of N-Acylaminophthalimides with Hypervalent Iodine Compounds: Formation of Lactams and Spiro-Fused Lactams.

Yasuo Kikugawa, Akira Nagashima, Takeshi Sakamoto, Etsuko Miyazawa, Megumi Shiiya

Journal:

Year:

2003

File:

PDF, 193 KB

2003

17

One-Pot Reductive Amination of Aldehydes and Ketones with α-Picoline-borane in Methanol, in Water, and in Neat Conditions.

Shinya Sato, Takeshi Sakamoto, Etsuko Miyazawa, Yasuo Kikugawa

Journal:

Year:

2004

File:

PDF, 33 KB

2004

18

ChemInform Abstract: Application of Stable Nitrenium Ions to Preparative Organic Chemistry

Journal:

Year:

2009

File:

PDF, 15 KB

2009

19

ChemInform Abstract: A One-Pot Procedure for Trifluoroacetylation of Arylamines Using Trifluoroacetic Acid as a Trifluoroacetylating Reagent.

Junpei Ohtaka, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

2009

File:

PDF, 22 KB

2009

20

ChemInform Abstract: Trifluoroacetaldehyde: A Useful Industrial Bulk Material for the Synthesis of Trifluoromethylated Amino Compounds.

Hideyuki Mimura, Kosuke Kawada, Tetsuya Yamashita, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Year:

2010

File:

PDF, 41 KB

2010

21

Trifluoroacetaldehyde: A useful industrial bulk material for the synthesis of trifluoromethylated amino compounds

Hideyuki Mimura, Kosuke Kawada, Tetsuya Yamashita, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Journal of Fluorine Chemistry

Year:

2010

Language:

english

File:

PDF, 409 KB

english, 2010

22

One-pot reductive amination of aldehydes and ketones with α-picoline-borane in methanol, in water, and in neat conditions

Shinya Sato, Takeshi Sakamoto, Etsuko Miyazawa, Yasuo Kikugawa

Journal:

Year:

2004

Language:

english

File:

PDF, 170 KB

english, 2004

23

A one-pot procedure for trifluoroacetylation of arylamines using trifluoroacetic acid as a trifluoroacetylating reagent

Junpei Ohtaka, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 237 KB

english, 2009

24

A convenient synthesis of eupolauramine

Yasuo Kikugawa, Masami Kawase, Yuko Miyake, Takeshi Sakamoto, Masahiro Shimada

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 118 KB

english, 1988

25

N-methoxydiacetamide: A new selective acetylating agent

Yasuo Kikugawa, Kimiyo Mitsui, Takeshi Sakamoto, Masami Kawase, Hiroshi Tamiya

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 211 KB

english, 1990

26

A new intramolecular migration of the imino group of O-arylketoximes to the aryl group under the Beckmann condition

Yasuo Kikugawa, Chiho Tsuji, Etsuko Miyazawa, Takeshi Sakamoto

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 64 KB

english, 2001

27

The reaction of substituted ureas with sodium borohydride in pyridine

Yasuo Kikugawa, Shun-ichi Yamada, Hiromu Nagashima, Kenji Kaji

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 201 KB

english, 1969

28

Stereoselective Synthesis of cis-5-Alkyl-(S)-prolines from (S)-Pyroglutamic Acid via 5-Alkyl-5-hydroxy-(S)-prolines

Hao Li, Takeshi Sakamoto, Yasuo Kikugawa

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 553 KB

english, 1997

29

Total synthesis of eupolauramine

Masami Kawase, Yuko Miyake, Takeshi Sakamoto, Masahiro Shimada, Yasuo Kikugawa

Journal:

Year:

1989

Language:

english

File:

PDF, 499 KB

english, 1989

30

An Actively Controlled Wind Tunnel And Its Application To The Reproduction Of The Atmospheric Boundary Layer

Cao Shuyang, Akira Nishi, Kimitaka Hirano, Shigehira Ozono, Hiromori Miyagi, Hiromori Kikugawa, Yuji Matsuda, Yasuo Wakasugi

Journal:

Boundary-Layer Meteorology

Year:

2001

Language:

english

File:

PDF, 196 KB

english, 2001

31

A novel ring expansion observed during the intramolecular cyclisation with N-methoxy-N-acylnitrenium ions generated from N-methoxyamides: an expedient synthesis of 1,5-benzodiazonine derivatives

Kikugawa, Yasuo, Kawase, Masami

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1991

Language:

english

File:

PDF, 160 KB

english, 1991

32

Cyclization with Nitrenium Ions Generated from N-Methoxy- or N-Allyloxy-N-chloroamides with Anhydrous Zinc Acetate. Synthesys of N-Hydroxy- and N-Methoxynitrogen Heterocyclic Compounds

Kikugawa, Yasuo, Shimada, Masahiro, Matsumoto, Kazuhiro

Journal:

Year:

1994

Language:

english

File:

PDF, 215 KB

english, 1994

33

Introduction of a methoxyl group into indoles and 2,3-dihydroindoles. A new synthesis of 5-hydroxytryptamine (serotonin)

Kunio Saito, Yasuo Kikugawa

Journal:

Journal of Heterocyclic Chemistry

Year:

1979

File:

PDF, 239 KB

1979

34

Electrophilic aromatic substitution with N-methoxy-N-acylnitrenium ions generated from N-chloro-N-methoxy amides: syntheses of nitrogen heterocyclic compounds bearing a N-methoxy amide group

Kawase, Masami, Kitamura, Takahiro, Kikugawa, Yasuo

Journal:

Journal of Organic Chemistry

Year:

1989

Language:

english

File:

PDF, 1.35 MB

english, 1989

35

Synthesis of Spirodienones by Intramolecular Ipso-Cyclization of N-Methoxy-(4-halogenophenyl)amides Using [Hydroxy(tosyloxy)iodo]benzene in Trifluoroethanol

Miyazawa, Etsuko, Sakamoto, Takeshi, Kikugawa, Yasuo

Journal:

Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 144 KB

english, 2003

36

Chemistry of amine?boranes. Part 5. Reduction of oximes, O-acyloximes, and O-alkyl-oximes with pyridine?borane in acid

Kawase, Masami, Kikugawa, Yasuo

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1979

Language:

english

File:

PDF, 401 KB

english, 1979

37

Intramolecular Benzylic Cyclization with Nitrenium Ions Generated from N-Acylaminophthalimides Using Phenyliodine(III) Bis(trifluoroacetate): Formation of Phenyl Substituted Lactams

Kikugawa, Yasuo, Nagashima, Akira, Sakamoto, Takeshi

Journal:

Year:

2007

Language:

english

File:

PDF, 229 KB

english, 2007

38

The role of the tryptophyl residue in the hypotensive peptide xenopsin

Shinro Tachibana, Kengo Araki, Yasuo Kikugawa

Journal:

Year:

1980

Language:

english

File:

PDF, 389 KB

english, 1980

39

Introduction of a Hydroxy Group at the Para Position and N -Iodophenylation of N -Arylamides Using Phenyliodine(III) Bis(Trifluoroacetate)

Itoh, Naoki, Sakamoto, Takeshi, Miyazawa, Etsuko, Kikugawa, Yasuo

Journal:

Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 129 KB

english, 2002

40

Dehydrogenation of indolines to indoles via azasulphonium salts or N-chloramines

Kawase, Masami, Miyake, Yuko, Kikugawa, Yasuo

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1984

Language:

english

File:

PDF, 535 KB

english, 1984

41

PREPARATION OF O -[2-(2-PYRIDYL)ETHYL]- AND O -[2-(TRIMETHYLSILYL)ETHYL]HYDROXYLAMINES

Henmi, Toshiyuki, Sakamoto, Takeshi, Kikugawa, Yasuo

Journal:

Organic Preparations and Procedures International

Year:

1994

Language:

english

File:

PDF, 184 KB

english, 1994

42

A New Synthesis of Nitriles from N -Methoxy Imidoyl Bromides by Photolysis

Kikugawa, Yasuo, Fu, Liang Hua, Sakamoto, Takeshi

Journal:

Synthetic Communications

Year:

1993

Language:

english

File:

PDF, 325 KB

english, 1993

43

Determination of configurations of N-methoxyimidoyl halides via catalytic hydrogenation. Synthesis of pure (E)-aldoximes

Sakamoto, Takeshi, Okamoto, Kimio, Kikugawa, Yasuo

Journal:

Journal of Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 573 KB

english, 1992

44

A New Synthesis of N.alpha.,N.delta.-Protected N.delta.-Hydroxycycloornithine and Its Homolog from an L-Glutamic Acid Derivative

Sakamoto, Takeshi, Kikugawa, Yasuo

Journal:

Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 429 KB

english, 1994

45

Electrophilic aromatic substitution with a nitrenium ion generated from N-chloro-N-methoxyamides. Application to the synthesis of 1-methoxy-2-oxindoles

Kikugawa, Yasuo, Kawase, Masami

Journal:

Journal of the American Chemical Society

Year:

1984

Language:

english

File:

PDF, 284 KB

english, 1984

46

A Total Synthesis of Nannochelin A. A Short Route to Optically Active N ω -Hydroxy-α-amino Acid Derivatives

Sakamoto, Takeshi, Li, Hao, Kikugawa, Yasuo

Journal:

Journal of Organic Chemistry

Year:

1996

Language:

english

File:

PDF, 234 KB

english, 1996

47

Intramolecular Cyclization with Nitrenium Ions Generated by Treatment of N -Acylaminophthalimides with Hypervalent Iodine Compounds: Formation of Lactams and Spiro-Fused Lactams

Kikugawa, Yasuo, Nagashima, Akira, Sakamoto, Takeshi, Miyazawa, Etsuko, Shiiya, Megumi

Journal:

Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 132 KB

english, 2003

48

NEW METHOD FOR THE SYNTHESIS OF NITRILES FROM O -ARYLALDOXIMES WITH ZrCl 4

Tsuji, Chiho, Miyazawa, Etsuko, Sakamoto, Takeshi, Kikugawa, Yasuo

Journal:

Synthetic Communications

Year:

2002

Language:

english

File:

PDF, 189 KB

english, 2002

49

Synthesis of Carbazoles from N -( N , N -Diarylamino)phthalimides with Aluminum Chloride via Diarylnitrenium Ions

Kikugawa, Yasuo, Aoki, Yutaka, Sakamoto, Takeshi

Journal:

Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 65 KB

english, 2001

50

A facile regioselective aromatic fluorination of N-aryl-N-hydroxyamides with diethylaminosulfur trifluoride (DAST)

Kikugawa, Yasuo, Matsumoto, Kazuhiro, Mitsui, Kimiyo, Sakamoto, Takeshi

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1992

Language:

english

File:

PDF, 148 KB

english, 1992

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@z-lib.do

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски