Sadao Tsuboi: search on Z-Library

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1

REACTION OF ALDEHYDES WITH 1,3-DICARBONYL COMPOUNDS IN THE PRESENCE OF POTASSIUM CARBONATE. A CONVENIENT SYNTHESIS OF α,β-UNSATURATED CARBONYL COMPOUNDS VIA DEACYLATION

Tsuboi, Sadao, Uno, Takaaki, Takeda, Akira

Journal:

Chemistry Letters

Year:

1978

Language:

english

File:

PDF, 5.82 MB

english, 1978

2

Simple, Extremely Fast, and High-Yielding Oxidation of Thiols to Disulfides

Ashraful Alam, Yutaka Takaguchi, Sadao Tsuboi

Journal:

Year:

2005

File:

PDF, 14 KB

2005

3

STEREOSELECTIVE TRANSFORMATION OF 2,4-ALKADIENOIC ESTERS TO THE 3,5-DIENOIC ISOMERS WITH LITHIUM DIISOPROPYLAMIDE (LDA)

Tsuboi, Sadao, Kuroda, Akihisa, Masuda, Toshihide, Takeda, Akira

Journal:

Chemistry Letters

Year:

1984

Language:

english

File:

PDF, 3.23 MB

english, 1984

4

Oxidation of Alcohols with Electrolytic Manganese Dioxide. Its Application for the Synthesis of Insect Pheromones

Tsuboi, Sadao, Ishii, Naomi, Sakai, Takashi, Tari, Isao, Utaka, Masanori

Journal:

Bulletin of the Chemical Society of Japan

Year:

1990

File:

PDF, 786 KB

1990

5

Simple, Extremely Fast, and High‐Yielding Oxidation of Thiols to Disulfides

Alam, Ashraful, Takaguchi, Yutaka, Tsuboi, Sadao

Journal:

Synthetic Communications

Year:

2005

Language:

english

File:

PDF, 88 KB

english, 2005

6

Study on Enzymatic Hydrolysis of Polylactic Acid by Endogenous Depolymerization Model

Masaji Watanabe, Fusako Kawai, Sadao Tsuboi, Shogo Nakatsu, Hitomi Ohara

Journal:

Macromolecular Theory and Simulations

Year:

2007

Language:

english

File:

PDF, 427 KB

english, 2007

7

Photooxygenation of Olefins, Phenol, and Sulfide Using Fullerodendrimer as Catalyst.

Yutaka Takaguchi, Yasushi Yanagimoto, Shohoko Fujima, Sadao Tsuboi

Journal:

Year:

2005

File:

PDF, 25 KB

2005

8

A novel synthesis of tricyclo[5.1.0.03,5]octane-2,6-dione derivatives via double Michael addition-induced cyclopropanation reactions

Sadao Tsuboi, Xuan Ye, Katsushi Kunito, Takashige Ono

Journal:

Year:

2001

Language:

english

File:

PDF, 179 KB

english, 2001

9

Highly stereocontrolled synthesis of (2e,4z)-dienic esters by alumina catalyst

Sadao Tsuboi, Toshihide Masuda, Hiroshi Makino, Akira Takeda

Journal:

Tetrahedron Letters

Year:

1982

Language:

english

File:

PDF, 215 KB

english, 1982

10

A RELATIONSHIP BETWEEN CHEMILUMINESCENCE AND REACTIVITY OF WITTIG TYPE REACTIONS OF PHOSPHONATE CARBANIONS

Motoyoshiya, Jiro, Tsuboi, Shuji, Kokin, Keisuke, Takaguchi, Yutaka, Hayashi, Sadao, Aoyama, Hiromu

Journal:

Heterocyclic Communications

Year:

1998

Language:

english

File:

PDF, 563 KB

english, 1998

11

ChemInform Abstract: Lipase-Catalyzed Kinetic Resolution of Baylis—Hillman Products.

Nobuyuki Hayashi, Kazuhito Yanagihara, Sadao Tsuboi

Journal:

Year:

1999

File:

PDF, 32 KB

1999

12

A novel synthesis of 2,5-disubstituted furans and selenophenes via the oxidation of 2,4-alkadienoic esters with SeO2

Sadao Tsuboi, Kenji Watanabe, Shigetoshi Mimura, Akira Takeda

Journal:

Tetrahedron Letters

Year:

1986

Language:

english

File:

PDF, 100 KB

english, 1986

13

Regio- and enantioselective synthesis of (S)-1-acetoxy-2-hydroxy-4-alkanones by use of bakers' yeast reduction of 1-acetoxy-2,4-alkanediones

Masanori Utaka, Hisatoshi Ito, Toshiyuki Mizumoto, Sadao Tsuboi

Journal:

Tetrahedron: Asymmetry

Year:

1995

Language:

english

File:

PDF, 98 KB

english, 1995

14

Highly stereo- and regioselective alkylation of alkylidenemalonates. Application to the synthesis of (.+-.)-canadensolide

Tsuboi, Sadao, Muranaka, Koichi, Sakai, Takashi, Takeda, Akira

Journal:

Journal of Organic Chemistry

Year:

1986

Language:

english

File:

PDF, 410 KB

english, 1986

15

Syntheses and carbon-13 NMR spectra of trans, cis- and trans,trans-nepetalinic acids and photocitral A

Sakai, Takashi, Morita, Ken, Matsumura, Chigako, Sudo, Akio, Tsuboi, Sadao, Takeda, Akira

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 769 KB

english, 1981

16

First Total Synthesis of (±)-Verrucosapyrone A

Komiyama, Takuzo, Takaguchi, Yutaka, Tsuboi, Sadao

Journal:

Year:

2006

Language:

english

File:

PDF, 82 KB

english, 2006

17

ChemInform Abstract: Transformation of cis-Epoxy Compound to cis-2,3-Disubstituted Oxane and Investigation on Propagation Step in the Ring-Expansion Reactions of cis,trans-Diepoxy Systems.

Nobuyuki Hayashi, Hiroko Noguchi, Sadao Tsuboi

Journal:

Year:

2000

Language:

english

File:

PDF, 34 KB

english, 2000

18

A facile synthesis of optically pure L-armentomycin and its D-isomer.Highly enantioselective reduction of the CC double bond of methyl (E)- and (Z)-2,4,4-trichloro-2-butenoate by using baker's yeast

Masanori Utaka, Satoshi Konishi, Toshiyasu Okubo, Sadao Tsuboi, Akira Takeda

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 192 KB

english, 1987

19

New synthesis of (.+-.)-menthofuran

Tsuboi, Sadao, Shimozuma, Kazuo, Takeda, Akira

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 602 KB

english, 1980

20

A facile synthesis of 3,4-dienamides by the reaction of propargyl alcohols with cyclic amide acetals, and their stereoselective rearrangement to 2(E),4(Z)-dienamides promoted with alumina. Total synthesis of isochavicine

Tsuboi, Sadao, Nooda, Yuji, Takeda, Akira

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 581 KB

english, 1984

21

Effective One-Pot Synthesis of 5-Hydroxy-1,4-naphthoquinone Derivatives

Komiyama, Takuzo, Takaguchi, Yutaka, Tsuboi, Sadao

Journal:

Year:

2006

Language:

english

File:

PDF, 75 KB

english, 2006

22

A Convenient Method for Protection and Deprotection of Alcohols and Phenols as Alkylsilyl Ethers Catalyzed by Iodine Under Microwave Irradiation

Saxena, Ira, Deka, Nabajyoti, Sarma, Jadab C., Tsuboi, Sadao

Journal:

Synthetic Communications

Year:

2003

Language:

english

File:

PDF, 161 KB

english, 2003

23

The Allylic Rearrangement. IV. New Synthesis of 4-Hexenoic Acid

Tsuboi, Sadao, Takeda, Akira

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 272 KB

1975

24

Asymmetric Reduction of Carbon–Carbon Double Bonds of Conjugated Enones with Fermenting Bakers’ Yeast

Sakai, Takashi, Matsumoto, Syuji, Hidaka, Syukou, Imajo, Norihisa, Tsuboi, Sadao, Utaka, Masanori

Journal:

Bulletin of the Chemical Society of Japan

Year:

1991

File:

PDF, 584 KB

1991

25

Synthesis and Comparative Analysis of Molecular and Supramolecular Structures of 4,8-Disubstituted 1,5-Dichloro-2,6-dioxotricyclo[5.1.0.03,5]octanes.

Aidar T. Gubaidullin, Vakhid A. Mamedov, Igor A. Litvinov, Huan Ye, Sadao Tsuboi

Journal:

Year:

2003

Language:

english

File:

PDF, 117 KB

english, 2003

26

Differences in Protein Structure and Similarities in Catalytic Function of Two l -Stereoselective Carbonyl Reductases from Bakers’ Yeast

Nakajima, Nobuyoshi, Ishihara, Kohji, Kondo, Shin-ichi, Tsuboi, Sadao, Utaka, Masanori, Nakamura, Kaoru

Journal:

Bioscience Biotechnology and Biochemistry

Year:

1994

Language:

english

File:

PDF, 461 KB

english, 1994

27

Synthesis of Anthraquinone Derivatives: Tandem Diels-Alder-Decarboxylation-Oxidation Reaction of 3-Hydroxy-2-pyrone with 1,4-Naphthoquinone

Komiyama, Takuzo, Takaguchi, Yutaka, Tsuboi, Sadao

Journal:

Year:

2006

Language:

english

File:

PDF, 46 KB

english, 2006

28

Reaction of Ethyl α,α-Dichloroacetoacetate with Aldehydes

Takeda, Akira, Tsuboi, Sadao, Nakashima, Isao

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 233 KB

1975

29

The Allylic Rearrangement. II. Reactions of 5,5,5-Trichloro-3-penten-2-one with Nucleophiles

Takeda, Akira, Tsuboi, Sadao, Moriwake, Takashi, Hirata, Eiji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1972

File:

PDF, 1.21 MB

1972

30

A Convenient Reductive Removal of Benzylic Hydroxyl and Trimethylsilyloxyl Groups with Me 3 SiCl–NaI–MeCN Reagent

Sakai, Takashi, Miyata, Kazuyoshi, Tsuboi, Sadao, Takeda, Akira, Utaka, Masanori, Torii, Sigeru

Journal:

Bulletin of the Chemical Society of Japan

Year:

1989

File:

PDF, 868 KB

1989

31

A New Method for the Synthesis of 3,5-Disubstituted 2(5 H )-Furanones. Synthesis of (±)-Acarenoic Acid

Tsuboi, Sadao, Wada, Hiroshi, Muranaka, Koichi, Takeda, Akira

Journal:

Bulletin of the Chemical Society of Japan

Year:

1987

File:

PDF, 773 KB

1987

32

Total Synthesis of (−)-Avenaciolide

Tsuboi, Sadao, Sakamoto, Jun-ichi, Sakai, Takashi, Utaka, Masanori

Journal:

Chemistry Letters

Year:

1989

File:

PDF, 172 KB

1989

33

A Systematic Study on the Bakers’ Yeast Reduction of 2-Oxoalkyl Benzoates and 1-Chloro-2-alkanones

Sakai, Takashi, Wada, Kou, Murakami, Takahiko, Kohra, Kiichiro, Imajo, Norihisa, Ooga, Yukihiro, Tsuboi, Sadao, Takeda, Akira, Utaka, Masanori

Journal:

Bulletin of the Chemical Society of Japan

Year:

1992

File:

PDF, 1.31 MB

1992

34

Photooxygenation of Olefins, Phenol, and Sulfide Using Fullerodendrimer as Catalyst

Takaguchi, Yutaka, Yanagimoto, Yasushi, Fujima, Shohoko, Tsuboi, Sadao

Journal:

Chemistry Letters

Year:

2004

Language:

english

File:

PDF, 62 KB

english, 2004

35

Photoinduced isomerization of allyl alcohols to carbonyl compounds using dendrimer disulfide as catalyst

Takaaki Tsuboi, Yutaka Takaguchi, Sadao Tsuboi

Journal:

Heteroatom Chemistry

Year:

2009

Language:

english

File:

PDF, 351 KB

english, 2009

36

Nucleophilic addition reaction of aromatic compounds with α-chloroglycidates in the presence of Lewis acid

Jing-Rong Lin, Aidar T Gubaidullin, Vakhid A Mamedov, Sadao Tsuboi

Journal:

Year:

2003

Language:

english

File:

PDF, 333 KB

english, 2003

37

Multi-functionalization of gallic acid towards improved synthesis of α- and β-DDB

Ashraful Alam, Yutaka Takaguchi, Hideyuki Ito, Takashi Yoshida, Sadao Tsuboi

Journal:

Year:

2005

Language:

english

File:

PDF, 304 KB

english, 2005

38

The Allylic Rearrangement. V. 1 Reaction of 4-Haloisophorone with Sodium Methoxide in Methanol

Tsuboi, Sadao, Kurihara, Yoichi, Watanabe, Takayuki, Takeda, Akira

Journal:

Synthetic Communications

Year:

1987

Language:

english

File:

PDF, 252 KB

english, 1987

39

Asymmetric Reduction of 1-Acetoxy-2-alkanones with Bakers’ Yeast: Purification and Characterization of α -Acetoxy Ketone Reductase

Ishihara, Kohji, Nakajima, Nobuyoshi, Tsuboi, Sadao, Utaka, Masanori

Journal:

Bulletin of the Chemical Society of Japan

Year:

1994

File:

PDF, 898 KB

1994

40

Photoreactivity of Tetra-Substituted Anthracene Derivatives and Their Mesophases

Yanagimoto, Yasushi, Takaguchi, Yutaka, Tsuboi, Sadao, Ichihara, Masahiro, Ohta, Kazuchika

Journal:

Bulletin of the Chemical Society of Japan

Year:

2006

Language:

english

File:

PDF, 281 KB

english, 2006

41

Polymerization of Vinyl Monomers by Alkali Metal-Thiobenzophenone Complex

MINOURA, Yuji, TSUBOI, Sadao

Journal:

The Journal of the Society of Chemical Industry Japan

Year:

1967

File:

PDF, 966 KB

1967

42

ChemInform Abstract: DIE BASENKATALYSIERTE KONDENSATION VON ALPHA-HALOGEN-ALDEHYDEN MIT DICHLORACETATEN

TAKEDA, AKIRA, TSUBOI, SADAO, WADA, SATOSHI, KATO, HIROSHI

Journal:

Chemischer Informationsdienst

Year:

1972

File:

PDF, 152 KB

1972

43

Condensation of 4-Hydroxy-2-thiazolines with 1,2-Phenylenediamine as a Novel Effective Route to Thiazolo[3,4-a]quinoxalines.

Vakhid A. Mamedov, Ilsiyar Z. Nurkhametova, Aidar T. Gubaidullin, Igor A. Litvinov, Sadao Tsuboi

Journal:

Year:

2004

File:

PDF, 13 KB

2004

44

Novel synthesis of 4-chloro-3-hydroxy-2-pyrone by the reaction of acetonide protected 4,5-dihydroxy-2-chloroglycidic ester with magnesium chloride

Takuzo Komiyama, Yutaka Takaguchi, Sadao Tsuboi

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 251 KB

english, 2004

45

A facile synthesis of (R)-(−)-hexahydromandelic acid with fermenting baker's yeast

Sadao Tsuboi, Emiko Nishiyama, Masanori Utaka, Akira Takeda

Journal:

Tetrahedron Letters

Year:

1986

Language:

english

File:

PDF, 125 KB

english, 1986

46

Facile and reversible synthesis of an acidic water-soluble poly(amidoamine) fullerodendrimer

Yutaka Takaguchi, Yuuki Sako, Yasushi Yanagimoto, Sadao Tsuboi, Jiro Motoyoshiya, Hiromu Aoyama, Takatsugu Wakahara, Takeshi Akasaka

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 157 KB

english, 2003

47

Do musculoskeletal degenerative diseases affect mortality and cause of death after 10

Masaki Tsuboi, Yukiharu Hasegawa, Yukihiro Matsuyama, Sadao Suzuki, Koji Suzuki, Shiro Imagama

Journal:

Journal of Bone and Mineral Metabolism

Year:

2011

Language:

english

File:

PDF, 163 KB

english, 2011

48

Allylic rearrangement of 3,3,3-trichloro-1-propenyl ketones

Takeda, Akira., Tsuboi, Sadao.

Journal:

Journal of Organic Chemistry

Year:

1970

Language:

english

File:

PDF, 560 KB

english, 1970

49

Chemistry of .alpha.-haloaldehydes. V. Reaction of .alpha.-haloaldehydes with .alpha.-acetylcyclopentanones in the presence of base

Takeda, Akira, Tsuboi, Sadao, Sakai, Fumitaka, Tanabe, Mamoru

Journal:

Journal of Organic Chemistry

Year:

1974

Language:

english

File:

PDF, 589 KB

english, 1974

50

Highly enantioselective reduction of 3-chloro-2-oxoalkanoates with fermenting bakers' yeast. A new synthesis of optically active 3-chloro-2-hydroxyalkanoates and glycidic esters

Tsuboi, Sadao, Furutani, Hiroyuki, Ansari, Mohammad Hafeez, Sakai, Takashi, Utaka, Masanori, Takeda, Akira

Journal:

Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 973 KB

english, 1993

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