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1

Stereoselective synthesis of (+)-blastmycinone

Tamotsu Fujisawa, Hiromasa Kohama, Kazuhisa Tajima, Toshio Sato

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 148 KB

english, 1984

2

Sulfur containing polymers. III. Polyiminocar-bamoylsulfenamides from iminochloromethane-sulfenyl chlorides and aromatic diamines

Norio Kobayashi, Akiko Osawa, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1972

Language:

english

File:

PDF, 169 KB

english, 1972

3

Sulfur-containing polymers. IV. Preparation and properties of poly(sulfenyl thiocarbonates)

Norio Kobayashi, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1972

Language:

english

File:

PDF, 436 KB

english, 1972

4

Sulfur-containing polymers. VI. Preparation of poly[alkylene bis(oxycarbonyl) disulfides] and related polymers

Norio Kobayashi, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1972

Language:

english

File:

PDF, 530 KB

english, 1972

5

Sulfur-containing polymers. V. Preparation of polyoxycarbonylsulfenamides by polycondensation of bis(oxycarbonylsulfenyl chlorides) with diamines

Norio Kobayashi, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1972

Language:

english

File:

PDF, 303 KB

english, 1972

6

Sulfur-containing polymers. IX. Bis(oxycarbonyl) disulfides. Effective reagents for oxidative coupling of dithiols

Norio Kobayashi, Akiko Osawa, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1973

Language:

english

File:

PDF, 169 KB

english, 1973

7

Sulfur-containing polymers. XI. Reaction of bis(dithiocarbonyl chlorides) with dithiols. A new route to alternating copolydisulfides

Norio Kobayashi, Akiko Osawa, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1973

Language:

english

File:

PDF, 179 KB

english, 1973

8

Sulfur-containing polymers. X. Aromatic poly(sulfenyl thiocarbonates)

Norio Kobayashi, Akiko Osawa, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1973

Language:

english

File:

PDF, 287 KB

english, 1973

9

Sulfur-containing polymers. XV. Synthesis and some properties of poly[arylene bis(oxycarbonyl) disulfides]

Norio Kobayashi, Akiko Osawa, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1975

Language:

english

File:

PDF, 185 KB

english, 1975

10

Sulfur-containing polymers. XVI. Oxidative coupling of dithiols with various diacyl disulfides

Norio Kobayashi, Akiko Osawa, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1975

Language:

english

File:

PDF, 228 KB

english, 1975

11

Sulfur-containing polymers. XIX. Adsorption of mercury from aqueous solutions by thiuram polysulfide polymers

Norio Kobayashi, Akiko Osawa, Kiwako Shimizu, Yasuo Hayashi, Hisao Kimoto, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1977

Language:

english

File:

PDF, 164 KB

english, 1977

12

Sulfur-containing polymers. XX. Synthesis and mercury-binding properties of crosslinked polystyrene bearing thiuram disulfide groups

Norio Kobayashi, Akiko Osawa, Kiwako Shimizu, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1977

Language:

english

File:

PDF, 153 KB

english, 1977

13

Sulfur-containing polymers. XVIII. Preparation and properties of thiuram polysulfide polymers

Norio Kobayashi, Akiko Osawa, Hisao Kimoto, Yasuo Hayashi, Kiwako Shimizu, Tamotsu Fujisawa

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

1977

Language:

english

File:

PDF, 580 KB

english, 1977

14

Iron chloride-sodium hydride system as new reducing reagents of carbonyl compounds

Fujisawa, Tamotsu., Sugimoto, Kikuo., Ohta, Hiromichi.

Journal:

Journal of Organic Chemistry

Year:

1976

Language:

english

File:

PDF, 289 KB

english, 1976

15

Sulfur-Containing Polymers. I. Polycondensation of Chlorocarbonylsulfenyl Chloride with Diamines

Kobayashi, Norio, Fujisawa, Tamotsu

Journal:

Year:

1972

Language:

english

File:

PDF, 242 KB

english, 1972

16

Photochemical and thermal rearrangement of exo-2,3-epithionorborn-5-ene

Fujisawa, Tamotsu, Kobori, Takeo

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1972

Language:

english

File:

PDF, 123 KB

english, 1972

17

Introduction of the non-technical skills for surgeons (NOTSS) system in a Japanese cancer center

Tsuburaya, Akira, Soma, Takahiro, Yoshikawa, Takaki, Cho, Haruhiko, Miki, Tamotsu, Uramatsu, Masashi, Fujisawa, Yoshikazu, Youngson, George, Yule, Steven

Journal:

Year:

2016

Language:

english

File:

PDF, 434 KB

english, 2016

18

NEW ACTIVE SULFUR TRANSFER REAGENTS: ARENETHIOSULFENYL CHLORIDES. A CONVENIENT SYNTHESIS OF EPISULFIDES FROM OLEFINS

Fujisawa, Tamotsu, Kobori, Takeo

Journal:

Chemistry Letters

Year:

1972

Language:

english

File:

PDF, 6.03 MB

english, 1972

19

REDUCTION OF UNSATURATED CARBON–CARBON BONDS BY MEANS OF IRON CHLORIDE-SODIUM HYDRIDE SYSTEM

Fujisawa, Tamotsu, Sugimoto, Kikuo, Ohta, Hiromichi

Journal:

Chemistry Letters

Year:

1976

File:

PDF, 343 KB

1976

20

FACILE SYNTHESIS OF BENZYL KETONES BY THE REDUCTIVE COUPLING OF BENZYL BROMIDE AND ACYL CHLORIDES IN THE PRESENCE OF A PALLADIUM CATALYST AND ZINC POWDER

Sato, Toshio, Naruse, Kouichi, Enokiya, Masashi, Fujisawa, Tamotsu

Journal:

Chemistry Letters

Year:

1981

Language:

english

File:

PDF, 7.30 MB

english, 1981

21

SULFUR-CONTAINING POLYMERS. XIV. POLY(BISCARBAMOYL DISULFIDES). A NEW TYPE OF PHOTOSENSITIVE POLYMERS

Kobayashi, Norio, Osawa, Akiko, Fujisawa, Tamotsu

Journal:

Chemistry Letters

Year:

1974

Language:

english

File:

PDF, 4.94 MB

english, 1974

22

FACILE SYNTHESIS OF β-KETOESTERS BY A COUPLING REACTION OF THE REFORMATSKY REAGENT WITH ACYL CHLORIDES CATALYZED BY A PALLADIUM COMPLEX

Sato, Toshio, Itoh, Toshiyuki, Fujisawa, Tamotsu

Journal:

Chemistry Letters

Year:

1982

Language:

english

File:

PDF, 3.82 MB

english, 1982

23

Asymmetric Syntheses of (−)-Malyngolide and (−)-Frontalin by Utilizing Bakers’ Yeast Reduction of S -Ethyl 2-Cyclopentanonecarboxylthioate

Sato, Toshio, Maeno, Hajime, Noro, Tomohiro, Fujisawa, Tamotsu

Journal:

Chemistry Letters

Year:

1988

Language:

english

File:

PDF, 6.69 MB

english, 1988

24

Sulfur-containing polymers. II. Preparation and properties of polycarbamoylsulfenamides

Kobayashi, Norio, Fujisawa, Tamotsu

Journal:

Journal of Polymer Science Part A-1 Polymer Chemistry

Year:

1972

Language:

english

File:

PDF, 530 KB

english, 1972

25

Sulfur-containing polymers. VII. Alternating copolydisulfides

Kobayashi, Norio, Fujisawa, Tamotsu

Journal:

Journal of Polymer Science Polymer Chemistry Edition

Year:

1973

Language:

english

File:

PDF, 356 KB

english, 1973

26

Sulfur-containing polymers. VIII. Preparation and properties of poly(carbamoyl disulfides)

Kobayashi, Norio, Osawa, Akiko, Fujisawa, Tamotsu

Journal:

Journal of Polymer Science Polymer Chemistry Edition

Year:

1973

Language:

english

File:

PDF, 361 KB

english, 1973

27

ChemInform Abstract: Acceleration Effects of Phosphine Ligands in the Nickel Catalyzed Methylation of Aldehydes Using Trimethylaluminum.

Tsuyoshi Ichiyanagi, Satoru Kuniyama, Makoto Shimizu, Tamotsu Fujisawa

Journal:

Year:

1999

File:

PDF, 32 KB

1999

28

ChemInform Abstract: Regioselective Ring Cleavage of Chiral β-Trichloromethyl-β-propiolactone with Organoaluminum Compounds for the Synthesis of Optically Active Intermediates.

Tamotsu Fujisawa, Takatoshi Ito, Shin Nishiura, Makoto Shimizu

Journal:

Year:

1999

File:

PDF, 35 KB

1999

29

ChemInform Abstract: Enantiocontrol in the Baker′s Yeast Reduction of Trifluoroacetylbiphenyl Derivatives.

Tamotsu Fujisawa, Seiji Tanaka, Yoshio Onogawa, Makoto Shimizu

Journal:

Year:

1999

File:

PDF, 30 KB

1999

30

ChemInform Abstract: Stereospecific Synthesis of Piperidine Skeleton by [4 + 2] Cycloaddition, Leading to the Synthesis of Piperidines of Biological Interests.

Makoto Shimizu, Akihiko Arai, Tamotsu Fujisawa

Journal:

Year:

2000

File:

PDF, 28 KB

2000

31

ChemInform Abstract: Biocatalytic Approaches to Enantiomerically Enriched Fluoro-organic Compounds

Tamotsu Fujisawa, Makoto Shimizu

Journal:

Year:

2000

File:

PDF, 24 KB

2000

32

gem-Difluorination of 1,3-dithiolanes with the hexafluoropropene-diethylamine reagent and N-iodosuccinimide or 1,3-dibromo-5,5-dimethylhydantoin

Makoto Shimizu, Takashi Maeda, Tamotsu Fujisawa

Journal:

Journal of Fluorine Chemistry

Year:

1995

Language:

english

File:

PDF, 249 KB

english, 1995

33

A facile method for synthesis of three carbon-homologated carboxylic acid by regioselective ring-opening of β-propiolactones with organocopper reagents

Masatoshi Kawashima, Toshio Sato, Tamotsu Fujisawa

Journal:

Year:

1989

Language:

english

File:

PDF, 1.05 MB

english, 1989

34

A novel method for the terpene synthesis by the ring-opening reaction of β-methyl-β-propiolactone

Tamotsu Fujisawa, Toshio Sato, Tatsuo Kawara, Atsunari Noda, Toshiyuki Obinata

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 177 KB

english, 1980

35

Prostaglandin synthesis from a fulvene with the ω-side chain equivalent

Kunikazu Sakai, Takeo Kobori, Tamotsu Fujisawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 534 KB

english, 1981

36

A convenient synthesis of allenes by the reaction of propargyl alcohols with grignard reagents using 1-chloro-2-methyl-n,n-tetramethylenepropenylamine

Tamotsu Fujisawa, Sachio Iida, Toshio Sato

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 261 KB

english, 1984

37

A stereodivergent construction of β-lactam skeletons via condensation of ester enolates and a chiral imine

Tamotsu Fujisawa, Yutaka Ukaji, Tomohiro Noro, Kengo Date, Makoto Shimizu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 284 KB

english, 1991

38

Stereodivergent synthesis of optically active tertiary alcohols via addition reaction of chiral 2-acyl oxazolidine with organometallics

Yutaka Ukaji, Kouji Yamamoto, Masashi Fukui, Tamotsu Fujisawa

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 276 KB

english, 1991

39

Enantioselective reduction of 4-oxo-3-tetrahydrothiopyranyl-acetates with bakers' yeast and application to the synthesis of a prostaglandin intermediate in optically pure form

Tamotsu Fujisawa, Bingidimi I. Mobele, Makoto Shimizu

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 282 KB

english, 1991

40

Creation of chirality in the reaction of the chiral ester enolate-imine condensation leading to the stereodivergent synthesis of β-lactams

Makoto Shimizu, Yoshihiro Teramoto, Tamotsu Fujisawa

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 241 KB

english, 1995

41

Enantioselective Diels-Alder reaction using chiral Lewis acid prepared from grignard reagent and a chiral 2-(2-p-toluenesulfonylamino)phenyl-4-phenyloxazoline

Tamotsu Fujisawa, Tsuyoshi Ichiyanagi, Makoto Shimizu

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 238 KB

english, 1995

42

Switchover of the diastereoselectivity induced by a simple selection of titanium(IV) halides in the addition reaction of silyl ketene acetals to a chiral imine

Makoto Shimizu, Kouji Kume, Tamotsu Fujisawa

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 229 KB

english, 1995

43

Stereocontrol in the reduction of 1,2-diimine with an oxazaborolidine catalyst. Highly stereoselective preparation of (R,R)-1,2-diphenylethylenediamine

Makoto Shimizu, Mie Kamei, Tamotsu Fujisawa

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 282 KB

english, 1995

44

Switchover of diastereofacial selectivity in the condensation reaction of optically active N-sulfinimine with ester enolate

Tamotsu Fujisawa, Yuuji Kooriyama, Makoto Shimizu

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 247 KB

english, 1996

45

Ethyl (R)-3-hydroxy-4-phenylthiobutyrate: Synthesis by the bakers' yeast reduction and use as a precursor of enantiomerically pure β-lactam

Ryuuichirou Hayakawa, Makoto Shimizu, Tamotsu Fujisawa

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 224 KB

english, 1996

46

Highly stereocontrolled access to trifluoromethylbenzylic alcohols possessing p-substituents by the bakers' yeast reduction

Tamotsu Fujisawa, Tetsuya Sugimoto, Makoto Shimizu

Journal:

Tetrahedron: Asymmetry

Year:

1994

Language:

english

File:

PDF, 308 KB

english, 1994

47

Selective formation of lanthanide(III) complexes with polyaminopolycarboxylate: Unprecedented tetranuclear neodymium(III) complex containing alkoxo and carboxylato bridges

Yoshitaro Miyashita, Masateru Sanada, Md. Monirul Islam, Nagina Amir, Tamotsu Koyano, Hiroshi Ikeda, Kiyoshi Fujisawa, Ken-ichi Okamoto

Journal:

Inorganic Chemistry Communications

Year:

2005

Language:

english

File:

PDF, 173 KB

english, 2005

48

Asymmetric reductions of (trifluoroacetyl)biphenyl derivatives with bakers' yeast and with Geotrichum candidum acetone powder

Tamotsu Fujisawa, Yoshio Onogawa, Akira Sato, Takeshi Mitsuya, Makoto Shimizu

Journal:

Year:

1998

Language:

english

File:

PDF, 716 KB

english, 1998

49

Preparation and use of novel (S)-β-chlorodifluoromethyl-β-propiolactone as a chiral fluorinated building block

Takatoshi Ito, Makoto Shimizu, Tamotsu Fujisawa

Journal:

Year:

1998

Language:

english

File:

PDF, 518 KB

english, 1998

50

Oxazaborolidine-mediated asymmetric reduction of 1,2-diaryl-2-benzyloxyiminoethanones and 1,2-diarylethanediones

Makoto Shimizu, Keiko Tsukamoto, Takayuki Matsutani, Tamotsu Fujisawa

Journal:

Year:

1998

Language:

english

File:

PDF, 739 KB

english, 1998