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1

ChemInform Abstract: Dimethyl Sulfoxide as a Cosolvent Dramatically Enhances the Enantioselectivity in Lipase-Catalyzed Resolutions of 2-Phenoxypropionic Acyl Derivatives.

Keiichi Watanabe, Shin-ichi Ueji

Journal:

Year:

2001

Language:

english

File:

PDF, 33 KB

english, 2001

2

ChemInform Abstract: Optimum Conformational Flexibility of Subtilisin to Maximize the Enantioselectivity for Subtilisin-Catalyzed Transesterification in an Organic Solvent with an Addition of Dimethyl Sulfoxide.

Keiichi Watanabe, Takashi Yoshida, Shin-ichi Ueji

Journal:

Year:

2001

File:

PDF, 29 KB

2001

3

ChemInform Abstract: A Dramatic Improvement of Enantioselectivity of Lipase in Organic Solvents by Addition of Aqueous SDS: A Close Correlation Between Enantioselectivity and Conformational Flexibility of Lipase.

Shin-ichi Ueji, Miyuki Nishimura, Risa Kudo, Rina Matsumi, Keiichi Watanabe, Yasuhito Ebara

Journal:

Year:

2002

File:

PDF, 30 KB

2002

4

ChemInform Abstract: Effects of Chemical Modification of Lipase on Its Enantioselectivity in Organic Solvents.

Shin-ichi Ueji, Hiroyuki Tanaka, Takahito Hanaoka, Ai Ueda, Keiichi Watanabe, Kunihiro Kaihatsu, Yasuhito Ebara

Journal:

Year:

2002

File:

PDF, 26 KB

2002

5

Effects of Chiral Additives on Enantioselectivity for Lipase-Catalyzed Esterifications in an Organic Solvent. A Remarkable Enhancement of Its Enantioselectivity Due to Cooperative Effects of Two Kinds of Additives.

Shin-ichi Ueji, Hideyuki Sakamoto, Keiichi Watanabe, Takashi Okamoto, Shuichi Mori

Journal:

Year:

2003

File:

PDF, 139 KB

2003

6

Flexibility of Lipase Brought About by Solvent Effects Controls Its Enantioselectivity in Organic Media.

Shin-ichi Ueji, Tomohiko Taniguchi, Takashi Okamoto, Keiichi Watanabe, Yasuhito Ebara, Hitoshi Ohta

Journal:

Year:

2003

Language:

english

File:

PDF, 146 KB

english, 2003

7

How Does Lipase Flexibility Affect Its Enantioselectivity in Organic Solvents? A Possible Role of CH×××π Association in Stabilization of Enzyme—Substrate Complex.

Keiichi Watanabe, Tetsuya Uno, Takashi Koshiba, Takashi Okamoto, Yasuhito Ebara, Shin-ichi Ueji

Journal:

Year:

2004

File:

PDF, 112 KB

2004

8

Lyophilization of Lipase Together with Ionic Compounds Generates Highly Enantioselective and Solvent-Sensitive Lipase in Organic Solvents.

Shin-ichi Ueji, Shu-ichi Mori, Hiromi Yumoto, Naomi Hiroshima, Yasuhito Ebara

Journal:

Year:

2005

File:

PDF, 28 KB

2005

9

High Temperature-Induced High Enantioselectivity of Lipase for Esterifications of 2-Phenoxypropionic Acids in Organic Solvent

Yoshitaka Yasufuku, Shin-ichi Ueji

Journal:

Bioorganic Chemistry

Year:

1997

Language:

english

File:

PDF, 211 KB

english, 1997

10

Effects of Substituent and Temperature on Enantioselectivity for Lipase-Catalyzed Esterification of 2-(4-Substituted Phenoxy) Propionic Acids in Organic Solvents

Keiichi Watanabe, Takashi Koshiba, Yoshitaka Yasufuku, Toshifumi Miyazawa, Shin-ichi Ueji

Journal:

Bioorganic Chemistry

Year:

2001

Language:

english

File:

PDF, 80 KB

english, 2001

11

The role of conformational flexibility of enzymes in the discrimination between amino acid and ester substrates for the subtilisin-catalyzed reaction in organic solvents

Keiichi Watanabe, Takashi Yoshida, Shin-ichi Ueji

Journal:

Bioorganic Chemistry

Year:

2004

Language:

english

File:

PDF, 440 KB

english, 2004

12

Construction of saccharide-modified DNAs by DNA polymerase

Masayuki Matsui, Yoshitaka Nishiyama, Shin-ichi Ueji, Yasuhito Ebara

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2007

Language:

english

File:

PDF, 469 KB

english, 2007

13

A method to greatly improve the enantioselectivity of lipase-catalyzed hydrolysis using sodium dodecyl sulfate (SDS) as an additive

Shuichi Mori, Hiromi Yumoto, Rina Matsumi, Tomohiro Nishigaki, Yasuhito Ebara, Shin-ichi Ueji

Journal:

Tetrahedron: Asymmetry

Year:

2005

Language:

english

File:

PDF, 126 KB

english, 2005

14

Effect of temperature on lipase-catalyzed esterification in organic solvent

Yoshitaka Yasufuku, Shin-ichi Ueji

Journal:

Biotechnology Letters

Year:

1995

Language:

english

File:

PDF, 254 KB

english, 1995

15

Lipase-catalyzed esterification of 2-(4-substituted phenoxy)propionic acids in organic solvents: substituent effect controlling enantioselectivity toward racemic acids

Shin-ichi Ueji, Keiichi Watanabe, Takashi Koshiba, Mariko Nakamura, Kazumi Oh-ishi, Yoshitaka Yasufuku, Toshifumi Miyazawa

Journal:

Biotechnology Letters

Year:

1999

Language:

english

File:

PDF, 43 KB

english, 1999

16

Dimethyl sulfoxide-induced high enantioselectivity of subtilisin Carlsberg for hydrolysis of ethyl 2-(4-substituted phenoxy)propionates

Keiichi Watanabe, Shin-ichi Ueji

Journal:

Biotechnology Letters

Year:

2000

Language:

english

File:

PDF, 58 KB

english, 2000

17

Chemical modification of lipases with various hydrophobic groups improves their enantioselectivity in hydrolytic reactions

Shin-ichi Ueji, Ai Ueda, Hiroyuki Tanaka, Keiichi Watanabe, Takashi Okamoto, Yasuhito Ebara

Journal:

Biotechnology Letters

Year:

2003

Language:

english

File:

PDF, 75 KB

english, 2003

18

Metal ions dramatically enhance the enantioselectivity for lipase-catalysed reactions in organic solvents

Okamoto, Takashi, Yasuhito, Ebara, Ueji, Shin-ichi

Journal:

Organic & Biomolecular Chemistry

Year:

2006

Language:

english

File:

PDF, 153 KB

english, 2006

19

Dimethyl sulfoxide as a co-solvent dramatically enhances the enantioselectivity in lipase-catalysed resolutions of 2-phenoxypropionic acyl derivatives

Watanabe, Keiichi, Ueji, Shin-ichi

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2001

Language:

english

File:

PDF, 93 KB

english, 2001

20

Optimum conformational flexibility of subtilisin to maximize the enantioselectivity for subtilisin-catalysed transesterification in an organic solvent with an addition of dimethyl sulfoxide

Watanabe, Keiichi, Ueji, Shin-ichi, Yoshida, Takashi

Journal:

Chemical Communications

Year:

2001

Language:

english

File:

PDF, 54 KB

english, 2001

21

Enantioselectivity Related to Conformational Changes Observed by Spectral Analysis in Subtilisin-Catalyzed Hydrolysis of Ethyl (RS)-2-(4-Substituted Phenoxy)Propionates

Watanabe, Keiichi, Ueji, Shin-Ichi

Journal:

Biocatalysis and Biotransformation

Year:

2001

Language:

english

File:

PDF, 945 KB

english, 2001

22

A Great Improvement of the Enantioselectivity of Lipase-Catalyzed Hydrolysis and Esterification Using Co-Solvents as an Additive

Nishigaki, Tomohiro, Yasufuku, Yoshitaka, Murakami, Sayuri, Ebara, Yasuhito, Ueji, Shin-ichi

Journal:

Bulletin of the Chemical Society of Japan

Year:

2008

Language:

english

File:

PDF, 144 KB

english, 2008

23

A Dramatic Improvement of Enantioselectivity of Lipase in Organic Solvents by Addition of Aqueous SDS: A Close Correlation between Enantioselectivity and Conformational Flexibility of Lipase

Ueji, Shin-ichi, Nishimura, Miyuki, Kudo, Risa, Matsumi, Rina, Watanabe, Keiichi, Ebara, Yasuhito

Journal:

Chemistry Letters

Year:

2001

Language:

english

File:

PDF, 44 KB

english, 2001

24

Effects of Chemical Modification of Lipase on Its Enantioselectivity in Organic Solvents

Ueji, Shin-ichi, Tanaka, Hiroyuki, Hanaoka, Takahito, Ueda, Ai, Watanabe, Keiichi, Kaihatsu, Kunihiro, Ebara, Yasuhito

Journal:

Chemistry Letters

Year:

2001

Language:

english

File:

PDF, 54 KB

english, 2001

25

Lyophilization of Lipase Together with Ionic Compounds Generates Highly Enantioselective and Solvent-sensitive Lipase in Organic Solvents

Ueji, Shin-ichi, Mori, Shu-ichi, Yumoto, Hiromi, Hiroshima, Naomi, Ebara, Yasuhito

Journal:

Chemistry Letters

Year:

2005

Language:

english

File:

PDF, 68 KB

english, 2005

26

Effects of Chiral Additives on Enantioselectivity for Lipase-Catalyzed Esterifications in an Organic Solvent. A Remarkable Enhancement of Its Enantioselectivity Due to Cooperative Effects of Two Kinds of Additives

Ueji, Shin-ichi, Sakamoto, Hideyuki, Watanabe, Keiichi, Okamoto, Takashi, Mori, Shuichi

Journal:

Bulletin of the Chemical Society of Japan

Year:

2002

Language:

english

File:

PDF, 310 KB

english, 2002

27

Flexibility of Lipase Brought About by Solvent Effects Controls Its Enantioselectivity in Organic Media

Ueji, Shin-ichi, Taniguchi, Tomohiko, Okamoto, Takashi, Watanabe, Keiichi, Ebara, Yasuhito, Ohta, Hitoshi

Journal:

Bulletin of the Chemical Society of Japan

Year:

2003

Language:

english

File:

PDF, 384 KB

english, 2003

28

10.1295/koron.40.115

IKADA, Eiji, YONETANI, Hitone, UEJI, Shin-ichi, SHIDA, Michio

Journal:

KOBUNSHI RONBUNSHU

Year:

1983

File:

PDF, 1.19 MB

1983