β‐cyclodextrin‐immobilized (4 S )‐phenoxy‐( S )‐proline as a catalyst for direct asymmetric aldol reactions | Zendy

Shen Zongxuan | Zendy; Ma Jimei | Zendy; Liu Yanhua | Zendy; Jiao Chongjun | Zendy; Li Ming | Zendy; Zhang Yawen | Zendy

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β‐cyclodextrin‐immobilized (4 S )‐phenoxy‐( S )‐proline as a catalyst for direct asymmetric aldol reactions

Author(s) -

Shen Zongxuan,

Ma Jimei,

Liu Yanhua,

Jiao Chongjun,

Li Ming,

Zhang Yawen

Publication year - 2005

Publication title -

chirality

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.43

H-Index - 77

eISSN - 1520-636X

pISSN - 0899-0042

DOI - 10.1002/chir.20208

Subject(s) - chemistry , aldol reaction , proline , catalysis , cyclodextrin , solvent , ethanol , organocatalysis , organic chemistry , enantioselective synthesis , beta (programming language) , beta cyclodextrins , amino acid , biochemistry , computer science , programming language

β‐Cyclodextrin‐immobilized (4 S )‐phenoxy‐( S )‐proline was prepared conveniently by simply heating the amino acid and β‐cyclodextrin in ethanol–water (1/1, v/v) and removal of the solvent. This proved to be an efficient catalyst for direct asymmetric aldol reactions, and the catalyst could be recycled four times without loss of enantioselectivity. © 2005 Wiley‐Liss, Inc. Chirality 17:556–558, 2005.

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