Issue 5, 2002
From the journal:

Green Chemistry

Conjugate addition of unmodified aldehydes: recycle of heterogeneous amine catalyst and ionic liquid

Hisahiro Hagiwara,*a   Tsuji Sayuri,b   Tomoyuki Okabe,a   Takashi Hoshi,b   Toshio Suzuki,b   Hiromasa Suzuki,a   Ken-ichi Shimizua  and  Yoshie Kitayamab  

* Corresponding authors

a Graduate School of Science and Technology, Niigata University, 8050, 2-nocho, Ikarashi, Niigata, Japan
E-mail: hagiwara.gs.niigata-u.ac.jp

b Faculty of Engineering, Niigata University, 8050, 2-nocho, Ikarashi, Niigata, Japan

Abstract

Unmodified aldehydes add to vinylketones in 1,4-manner in ionic liquid, [bmim]PF6, in the presence of a catalytic amount of propylamine grafted on silica. The ionic liquid involving the catalyst has been recycled intact without loss of efficiency.

Graphical abstract: Conjugate addition of unmodified aldehydes: recycle of heterogeneous amine catalyst and ionic liquid

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Article information

DOI
https://doi.org/10.1039/B201900K
Article type
Paper
Submitted
21 Feb 2002
First published
19 Aug 2002

Green Chem., 2002,4, 461-463

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Conjugate addition of unmodified aldehydes: recycle of heterogeneous amine catalyst and ionic liquid

H. Hagiwara, T. Sayuri, T. Okabe, T. Hoshi, T. Suzuki, H. Suzuki, K. Shimizu and Y. Kitayama, Green Chem., 2002, 4, 461 DOI: 10.1039/B201900K

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