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1

C 2 -Symmetric Bis-sulfoxide: A Novel Chiral Auxiliary for Asymmetric Desymmetrization of Cyclic m eso -1,2-Diols

Maezaki, Naoyoshi, Sakamoto, Atsunobu, Nagahashi, Noboru, Soejima, Motohiro, Li, Ying-Xia, Imamura, Tsuneaki, Kojima, Naoto, Ohishi, Hirofumi, Sakaguchi, Ken-ichi, Iwata, Chuzo, Tanaka, Tetsuaki

Journal:

Journal of Organic Chemistry

Année:

2000

Langue:

english

Fichier:

PDF, 130 KB

english, 2000

2

1,6-Asymmetric Induction Utilizing Asymmetric Desymmetrization by Diastereoselective C-O Bond Fission of the 4-Substituted Bicyclic Acetal: Application to a Synthesis of (-)-Frontalin.

MAEZAKI, Naoyoshi, SHOGAKI, Takeshi, UCHIDA, Masashi, TOKUNO, Katsuya, IMAMURA, Tsuneaki, TANAKA, Tetsuaki, IWATA, Chuzo

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Année:

1998

Fichier:

PDF, 807 KB

1998

3

Calix[6]arene-Based Template for X-ray Crystallographic Analysis of Template-Assembled Synthetic Proteins

Koji Tsukamoto, Hirofumi Ohishi, Naoyoshi Maezaki, Tetsuaki Tanaka, Toshimasa Ishida

Journal:

Année:

2006

Langue:

english

Fichier:

PDF, 501 KB

english, 2006

4

Systematic Construction of a Monotetrahydrofuran-Ring Library in Annonaceous Acetogenins by Asymmetric Alkynylation and Stereodivergent Tetrahydrofuran-Ring Formation

Naoto Kojima, Naoyoshi Maezaki, Hiroaki Tominaga, Mikito Asai, Minori Yanai, Tetsuaki Tanaka

Journal:

Chemistry - A European Journal

Année:

2003

Langue:

english

Fichier:

PDF, 293 KB

english, 2003

5

Stereodivergent and Reiterative Synthesis of Bistetrahydrofuran Ring Cores of Annonaceous Acetogenins

Naoto Kojima, Naoyoshi Maezaki, Hiroaki Tominaga, Minori Yanai, Daisuke Urabe, Tetsuaki Tanaka

Journal:

Chemistry - A European Journal

Année:

2004

Langue:

english

Fichier:

PDF, 227 KB

english, 2004

6

Total Synthesis of the Antitumor Acetogenin Mosin B: Desymmetrization Approach to the Stereodivergent Synthesis of threo/trans/erythro-Type Acetogenins

Naoyoshi Maezaki, Naoto Kojima, Atsunobu Sakamoto, Hiroaki Tominaga, Chuzo Iwata, Tetsuaki Tanaka, Morito Monden, Bazarragchaa Damdinsuren, Shoji Nakamori

Journal:

Chemistry - A European Journal

Année:

2003

Langue:

english

Fichier:

PDF, 333 KB

english, 2003

7

Systematic Construction of a Monotetrahydrofuran-Ring Library in Annonaceous Acetogenins by Asymmetric Alkynylation and Stereodivergent Tetrahydrofuran-Ring Formation

Naoto Kojima, Naoyoshi Maezaki, Hiroaki Tominaga, Mikito Asai, Minori Yanai, Tetsuaki Tanaka

Journal:

Chemistry - A European Journal

Année:

2003

Fichier:

PDF, 30 KB

2003

8

Systematic Construction of a Monotetrahydrofuran-Ring Library in Annonaceous Acetogenins by Asymmetric Alkynylation and Stereodivergent Tetrahydrofuran-Ring Formation

Naoto Kojima, Naoyoshi Maezaki, Hiroaki Tominaga, Mikito Asai, Minori Yanai, Tetsuaki Tanaka

Journal:

Chemistry - A European Journal

Année:

2003

Fichier:

PDF, 20 KB

2003

9

Total Synthesis of Murisolins and Evaluation of Tumor-Growth Inhibitory Activity

Naoyoshi Maezaki, Hiroaki Tominaga, Naoto Kojima, Minori Yanai, Daisuke Urabe, Risa Ueki, Tetsuaki Tanaka, Takao Yamori

Journal:

Chemistry - A European Journal

Année:

2005

Langue:

english

Fichier:

PDF, 256 KB

english, 2005

10

Asymmetric [2,3]-Wittig Rearrangement of Oxygenated Allyl Benzyl Ethers in the Presence of a Chiral di-tBu-bis(oxazoline) Ligand: A Novel Synthetic Approach to THF Lignans

Maria Kitamura, Yoshimi Hirokawa, Naoyoshi Maezaki

Journal:

Chemistry - A European Journal

Année:

2009

Langue:

english

Fichier:

PDF, 275 KB

english, 2009

11

ChemInform Abstract: Intramolecular Alkylation of an α-Sulfinyl Vinylic Carbanion without Loss of Optical Purity: A Novel Access to Chiral Cyclic Vinylic Sulfoxides.

Naoyoshi Maezaki, Mayuko Izumi, Sachiko Yuyama, Chuzo Iwata, Tetsuaki Tanaka

Journal:

Année:

2000

Fichier:

PDF, 31 KB

2000

12

ChemInform Abstract: A New Sulfenylation Reagent, 3-Phenylsulfenyl-2-(N-cyanoimino)thiazolidine, and Its Optically Active Version.

Tetsuaki Tanaka, Tsutomu Azuma, Xie Fang, Shuji Uchida, Chuzo Iwata, Toshimasa Ishida, Yasuko In, Naoyoshi Maezaki

Journal:

Année:

2000

Fichier:

PDF, 37 KB

2000

13

ChemInform Abstract: Asymmetric Desymmetrization of a σ-Symmetric Erythritol Derivative Using C2-Symmetric Bis-sulfoxide: A Total Synthesis of (+)-Aspicilin.

Naoyoshi Maezaki, Ying-Xia Li, Kazumi Ohkubo, Satomi Goda, Chuzo Iwata, Tetsuaki Tanaka

Journal:

Année:

2000

Fichier:

PDF, 38 KB

2000

14

ChemInform Abstract: Unusual Radical ipso-Substitution Reaction of an Aromatic Methoxy Group Induced by Tris(trimethylsilyl)silane—AIBN or SmI2.

Tetsuaki Tanaka, Ryutaro Wakayama, Shin-ichiro Maeda, Hidenori Mikamiyama, Naoyoshi Maezaki, Hiroaki Ohno

Journal:

Année:

2000

Fichier:

PDF, 36 KB

2000

15

ChemInform Abstract: Efficient One-Step Conversion of Primary Aliphatic Amines into Primary Alcohols: Application to a Model Study for the Total Synthesis of (.+-.)-Scopadulin.

S. M. Abdur Rahman, Hiroaki Ohno, Naoyoshi Maezaki, Chuzo Iwata, Tetsuaki Tanaka

Journal:

Année:

2001

Fichier:

PDF, 32 KB

2001

16

ChemInform Abstract: Studies on Intramolecular Alkylation of an α-Sulfinyl Vinylic Carbanion: A Novel Route to Chiral 1-Cycloalkenyl Sulfoxides.

Naoyoshi Maezaki, Mayuko Izumi, Sachiko Yuyama, Hiroaki Sawamoto, Chuzo Iwata, Tesuaki Tanaka

Journal:

Année:

2001

Fichier:

PDF, 36 KB

2001

17

ChemInform Abstract: Highly Stereoselective Intramolecular Michael Addition Using α-Sulfinyl Vinyllithium as an Unprecedented Michael Donor.

Naoyoshi Maezaki, Sachiko Yuyama, Hiroaki Sawamoto, Tomoko Suzuki, Mayuko Izumi, Tetsuaki Tanaka

Journal:

Année:

2001

Fichier:

PDF, 36 KB

2001

18

ChemInform Abstract: First Total Synthesis of Mosin B.

Naoyoshi Maezaki, Naoto Kojima, Atsunobu Sakamoto, Chuzo Iwata, Tetsuaki Tanaka

Journal:

Année:

2001

Langue:

english

Fichier:

PDF, 36 KB

english, 2001

19

ChemInform Abstract: The First Total Synthesis of (.+-.)-Scopadulin, an Antiviral Aphidicolane Diterpene.

S. M. Abdur Rahman, Hiroaki Ohno, Takashi Murata, Hitoshi Yoshino, Norifumi Satoh, Kazuo Murakami, Debasis Patra, Chuzo Iwata, Naoyoshi Maezaki, Tetsuaki Tanaka

Journal:

Année:

2001

Fichier:

PDF, 35 KB

2001

20

ChemInform Abstract: Total Synthesis of (.+-.)-Scopadulin.

S. M. Abdur Rahman, Hiroaki Ohno, Takashi Murata, Hitoshi Yoshino, Norifumi Satoh, Kazuo Murakami, Debasis Patra, Chuzo Iwata, Naoyoshi Maezaki, Tetsuaki Tanaka

Journal:

Année:

2001

Fichier:

PDF, 27 KB

2001

21

ChemInform Abstract: 3-Acyl-2-(N-cyanoimino)oxazolidine Derivative, a New Asymmetric Acylating Agent for Racemic Secondary Alkyl Amines.

Naoyoshi Maezaki, Akemi Furusawa, Shuji Uchida, Tetsuaki Tanaka

Journal:

Année:

2002

Fichier:

PDF, 34 KB

2002

22

ChemInform Abstract: Palladium-Catalyzed Sulfinylzincation: 1-Alkynyl Sulfoxides as a Sulfinyl Anion Equivalent.

Naoyoshi Maezaki, Ryoko Yoshigami, Jun Maeda, Tetsuaki Tanaka

Journal:

Année:

2002

Fichier:

PDF, 29 KB

2002

23

ChemInform Abstract: 3-Phosphono-2-(N-cyanoimino)thiazolidine Derivatives, New Phosphorylating Agents for Alcohols.

Naoyoshi Maezaki, Akemi Furusawa, Yuki Hirose, Shuji Uchida, Tetsuaki Tanaka

Journal:

Année:

2002

Fichier:

PDF, 31 KB

2002

24

Pd-Catalyzed Asymmetric Sulfinylzincation of 1-Alkynoates Using 1-Alkynyl Sulfoxides Bearing a Chiral Auxiliary.

Naoyoshi Maezaki, Suguru Yagi, Shizuka Ohsawa, Hirofumi Ohishi, Tetsuaki Tanaka

Journal:

Année:

2003

Fichier:

PDF, 154 KB

2003

25

3-Cyano-2-(N-cyanoimino)thiazolidine (3-Cyano-NCT): An Efficient Electrophilic Cyanating Agent for Activated Methylene Compounds.

Naoyoshi Maezaki, Akemi Furusawa, Shuji Uchida, Tetsuaki Tanaka

Journal:

Année:

2003

Fichier:

PDF, 82 KB

2003

26

Total Synthesis of the Antitumor Acetogenin Mosin B (I): Desymmetrization Approach to the Stereodivergent Synthesis of threo/trans/erythro-Type Acetogenins.

Naoyoshi Maezaki, Naoto Kojima, Atsunobu Sakamoto, Hiroaki Tominaga, Chuzo Iwata, Tetsuaki Tanaka, Morito Monden, Bazarragchaa Damdinsuren, Shoji Nakamori

Journal:

Année:

2003

Fichier:

PDF, 70 KB

2003

27

First Total Synthesis of (.+-.)-Linderol A (I), a Tricyclic Hexahydrodibenzofuran Constituent of Lindera umbellata Bark, with Potent Inhibitory Activity on Melanin Biosynthesis of Cultured B-16 Melanoma Cells.

Masayuki Yamashita, Nobukazu Ohta, Takashi Shimizu, Kayoko Matsumoto, Yoko Matsuura, Ikuo Kawasaki, Tetsuaki Tanaka, Naoyoshi Maezaki, Shunsaku Ohta

Journal:

Année:

2003

Fichier:

PDF, 72 KB

2003

28

Geometrically Selective Synthesis of Functionalized β,β-Disubstituted Vinylic Sulfoxides by Cu-Catalyzed Conjugate Addition of Organozinc Reagents to 1-Alkynyl Sulfoxides.

Naoyoshi Maezaki, Hiroaki Sawamoto, Ryoko Yoshigami, Tomoko Suzuki, Tetsuaki Tanaka

Journal:

Année:

2003

Fichier:

PDF, 151 KB

2003

29

Pd-Catalyzed Sulfinylzincation of Activated Alkynes with 1-Alkynyl Sulfoxides as a Sulfinyl Source.

Naoyoshi Maezaki, Suguru Yagi, Ryoko Yoshigami, Jun Maeda, Tomoku Suzuki, Shizuka Ohsawa, Kouji Tsukamoto, Tetsuaki Tanaka

Journal:

Année:

2003

Fichier:

PDF, 245 KB

2003

30

Systematic Construction of a Monotetrahydrofuran-Ring Library in Annonaceous Acetogenins by Asymmetric Alkynylation and Stereodivergent Tetrahydrofuran-Ring Formation.

Naoto Kojima, Naoyoshi Maezaki, Hiroaki Tominaga, Mikito Asai, Minori Yanai, Tetsuaki Tanaka

Journal:

Année:

2004

Fichier:

PDF, 52 KB

2004

31

Geometrically Selective Synthesis of Sulfur-Containing Heterocycles by Intramolecular Pd-Catalyzed Sulfinylzincation.

Naoyoshi Maezaki, Suguru Yagi, Jun Maeda, Ryoko Yoshigami, Tetsuaki Tanaka

Journal:

Année:

2004

Fichier:

PDF, 110 KB

2004

32

First Total Synthesis of Murisolin.

Naoyoshi Maezaki, Hiroaki Tominaga, Naoto Kojima, Minori Yanai, Daisuke Urabe, Tetsuaki Tanaka

Journal:

Année:

2004

Fichier:

PDF, 110 KB

2004

33

Stereodivergent and Reiterative Synthesis of Bistetrahydrofuran Ring Cores of Annonaceous Acetogenins.

Naoto Kojima, Naoyoshi Maezaki, Hiroaki Tominaga, Minori Yanai, Daisuke Urabe, Tetsuaki Tanaka

Journal:

Année:

2004

Langue:

english

Fichier:

PDF, 191 KB

english, 2004

34

Stereoselective Synthesis of 1,4-Bifunctional Compounds by Regioselective Pd-Catalyzed Allylic Substitution Reaction.

Naoyoshi Maezaki, Yuki Hirose, Tetsuaki Tanaka

Journal:

Année:

2004

Fichier:

PDF, 37 KB

2004

35

Asymmetric Intramolecular Michael Addition of α-Sulfinyl Vinylic Carbanion to Enoates.

Naoyoshi Maezaki, Hiroaki Sawamoto, Sachiko Yuyama, Ryoko Yoshigami, Tomoko Suzuki, Mayuko Izumi, Hirofumi Ohishi, Tetsuaki Tanaka

Journal:

Année:

2005

Fichier:

PDF, 238 KB

2005

36

Highly Stereoselective Synthesis of Functionalized β,β-Di- and Trisubstituted Vinylic Sulfoxides by Cu-Catalyzed Conjugate Addition of Organozinc Reagents.

Naoyoshi Maezaki, Hiroaki Sawamoto, Tomoko Suzuki, Ryoko Yoshigami, Tetsuaki Tanaka

Journal:

Année:

2005

Langue:

english

Fichier:

PDF, 59 KB

english, 2005

37

Diastereoselective Ni(0)-Catalyzed Carbocyclization to Chiral Vinylic Sulfoxide.

Naoyoshi Maezaki, Hiroaki Sawamoto, Hiroyuki Ishihara, Tetsuaki Tanaka

Journal:

Année:

2005

Fichier:

PDF, 21 KB

2005

38

ChemInform Abstract: Convergent Synthesis of Fluorescence Labeled Solamin.

Naoto Kojima, Takekuni Morioka, Masahiro Yano, Yuki Suga, Naoyoshi Maezaki, Tetsuaki Tanaka

Journal:

Année:

2009

Fichier:

PDF, 18 KB

2009

39

ChemInform Abstract: Asymmetric [2,3]-Wittig Rearrangement of Oxygenated Allyl Benzyl Ethers in the Presence of a Chiral Di-tBu-bis(oxazoline) Ligand: A Novel Synthetic Approach to THF Lignans.

Maria Kitamura, Yoshimi Hirokawa, Naoyoshi Maezaki

Journal:

Année:

2010

Fichier:

PDF, 54 KB

2010

40

First Total Synthesis of Longimicin D

Hiroaki Tominaga, Naoyoshi Maezaki, Minori Yanai, Naoto Kojima, Daisuke Urabe, Risa Ueki, Tetsuaki Tanaka

Journal:

European Journal of Organic Chemistry

Année:

2006

Langue:

english

Fichier:

PDF, 166 KB

english, 2006

41

Novel asymmetric desymmetrization of meso-1,2-diols via diastereoselective β-elimination of chiral α-arylsulfinyl acetals

Maezaki Naoyoshi, Soejima Motohiro, Takeda Miwako, Sakamoto Atsunobu, Matsumori Yûki, Tanaka Tetsuaki, Iwata Chuzo

Journal:

Année:

1996

Langue:

english

Fichier:

PDF, 1.14 MB

english, 1996

42

Asymmetric desymmetrization of σ-symmetrical diols: the role of chelation in the diastereoselective acetal cleavage induced by the chiral α-sulfinyl carbanion

Naoyoshi Maezaki, Motohiro Soejima, Atsunobu Sakamoto, Ikuyo Sakamoto, Yûki Matsumori, Tetsuaki Tanaka, Toshimasa Ishida, Yasuko In, Chuzo Iwata

Journal:

Tetrahedron: Asymmetry

Année:

1996

Langue:

english

Fichier:

PDF, 151 KB

english, 1996

43

1,5-Benzodithiepan-3-one 1,5-dioxide: A novel chiral auxiliary for asymmetric desymmetrization of meso-1,2-diols

Naoyoshi Maezaki, Atsunobu Sakamoto, Motohiro Soejima, Ikuyo Sakamoto, Li Ying Xia, Tetsuaki Tanaka, Hirofumi Ohishi, Ken-ichi Sakaguchi, Chuzo Iwata

Journal:

Tetrahedron: Asymmetry

Année:

1996

Langue:

english

Fichier:

PDF, 208 KB

english, 1996

44

Convergent synthesis of fluorescence-labeled probes of Annonaceous acetogenins and visualization of their cell distribution

Naoto Kojima, Takekuni Morioka, Daisuke Urabe, Masahiro Yano, Yuki Suga, Naoyoshi Maezaki, Ayako Ohashi-Kobayashi, Yasuyuki Fujimoto, Masatomo Maeda, Takao Yamori, Takehiko Yoshimitsu, Tetsuaki Tanaka

Journal:

Bioorganic & Medicinal Chemistry

Année:

2010

Langue:

english

Fichier:

PDF, 1.39 MB

english, 2010

45

Synthesis of hybrid acetogenins, α,β-unsaturated-γ-lactone-free nitrogen-containing heterocyclic analogues, and their cytotoxicity against human cancer cell lines

Naoto Kojima, Tetsuya Fushimi, Naoyoshi Maezaki, Tetsuaki Tanaka, Takao Yamori

Journal:

Bioorganic & Medicinal Chemistry Letters

Année:

2008

Langue:

english

Fichier:

PDF, 137 KB

english, 2008

46

Synthesis of C4-fluorinated solamins and their growth inhibitory activity against human cancer cell lines

Naoto Kojima, Hiromi Hayashi, Satoshi Suzuki, Hiroaki Tominaga, Naoyoshi Maezaki, Tetsuaki Tanaka, Takao Yamori

Journal:

Bioorganic & Medicinal Chemistry Letters

Année:

2008

Langue:

english

Fichier:

PDF, 162 KB

english, 2008

47

Stereodivergent synthesis of 1,4-bifunctional compounds by regio- and diastereoselective Pd-catalyzed allylic substitution reaction

Naoyoshi Maezaki, Masahiro Yano, Yuki Hirose, Yoshikazu Itoh, Tetsuaki Tanaka

Journal:

Année:

2006

Langue:

english

Fichier:

PDF, 1.19 MB

english, 2006

48

Highly enantioselective [2,3]-Wittig rearrangement of functionalized allyl benzyl ethers: a novel approach to lignan synthesis

Yoshimi Hirokawa, Maria Kitamura, Naoyoshi Maezaki

Journal:

Tetrahedron: Asymmetry

Année:

2008

Langue:

english

Fichier:

PDF, 197 KB

english, 2008

49

Total synthesis of (+)-eupomatilone 2 via asymmetric [2,3]-Wittig rearrangement of highly oxygenated biphenylmethyl ethers

Yoshimi Hirokawa, Maria Kitamura, Chiharu Kato, Yuki Kurata, Naoyoshi Maezaki

Journal:

Tetrahedron Letters

Année:

2011

Langue:

english

Fichier:

PDF, 512 KB

english, 2011

50

Asymmetric Desymmetrization of a σ-Symmetric Erythritol Derivative Using C2-Symmetric Bis-sulfoxide: a Total Synthesis of (+)-Aspicilin

Naoyoshi Maezaki, Ying-Xia Li, Kazumi Ohkubo, Satomi Goda, Chuzo Iwata, Tetsuaki Tanaka

Journal:

Année:

2000

Langue:

english

Fichier:

PDF, 185 KB

english, 2000