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Reversal of predominant enantioselectivity in the asymmetric alkynylation reaction using sulfamide-amine alcohols

Paper ID Volume ID Publish Year Pages File Format Full-Text
52908 46891 2006 4 PDF Available
Title
Reversal of predominant enantioselectivity in the asymmetric alkynylation reaction using sulfamide-amine alcohols
Abstract

The change of substituent in the backbone of l-proline-derived sulfamide-amine alcohol ligand 3 provides chiral propargylic alcohols with the opposite configurations in significant enantioselectivities in the asymmetric addition of phenylacetylene to aldehydes. Meanwhile, the ligand 3 in combination with Ti(OiPr)4 could also afford the products with opposite absolute configuration in high yields.

Keywords
Reversal of stereochemistry; Enantioselective alkynylzinc addition; l-proline; Propargylic alcohols; Aldehydes
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Reversal of predominant enantioselectivity in the asymmetric alkynylation reaction using sulfamide-amine alcohols
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 8, August 2006, Pages 550–553
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Price after discount Only $4.95
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Full-text PDF Download
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