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Recyclable fluorous chiral ligands and catalysts: Asymmetric addition of diethylzinc to aromatic aldehydes catalyzed by fluorous BINOL-Ti complexes

Nakamura, Y and Takeuchi, S and Okumura, K and Ohgo, Y and Curran, DP (2002) Recyclable fluorous chiral ligands and catalysts: Asymmetric addition of diethylzinc to aromatic aldehydes catalyzed by fluorous BINOL-Ti complexes. Tetrahedron, 58 (20). 3963 - 3969. ISSN 0040-4020

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Abstract

Fluorous chiral BINOLs were prepared and used as the ligands for the titanium catalyzed asymmetric addition of Et2Zn to aromatic aldehydes. Consecutive reactions were examined by utilizing fluorous-organic biphase and fluorous solid phase extraction techniques. Enantioselectivities were similar in consecutive reactions and were close to that attained in the non-fluorous system. The solid phase extraction method also enabled us to perform a simultaneous screening procedure. © 2002 Elsevier Science Ltd. All rights reserved.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Nakamura, Y
Takeuchi, S
Okumura, K
Ohgo, Y
Curran, DPcurran@pitt.eduCURRAN
Date: 13 May 2002
Date Type: Publication
Journal or Publication Title: Tetrahedron
Volume: 58
Number: 20
Page Range: 3963 - 3969
DOI or Unique Handle: 10.1016/s0040-4020(02)00245-4
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Refereed: Yes
ISSN: 0040-4020
Date Deposited: 12 Feb 2014 23:42
Last Modified: 02 Feb 2019 15:58
URI: http://d-scholarship.pitt.edu/id/eprint/20491

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