Zr-promoted cyclization of diynes bearing C2-chirality: synthesis and properties of new chiral conjugated molecules
Resource
Tetrahedron Letters 43 (18): 3313-3317
Journal
Tetrahedron Letters
Journal Volume
43
Journal Issue
18
Pages
3313-3317
Date Issued
2002
Date
2002
Author(s)
Chen, Ruei-Tang
Abstract
Conjugated oligomers bearing 4,5,6,7-tetrahydro-5S,6S-dioctyloxybenzothiophene as a central linkage were synthesized by Negishi's reagent (n-Bu2ZrCp2) promoted intramolecular cyclization of a diyne and subsequent Suzuki coupling reactions. The chirality in the central linkage originated from tartaric acid, which induced the conjugated backbone of oligomers to exhibit interesting optical activity. © 2002 Elsevier Science Ltd. All rights reserved.
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journal article
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