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Org Lett. 2006 Mar 2;8(5):883-6.

Platinum-catalyzed aromatization of enediynes via a C-H bond insertion of tethered alkanes.

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  • 1Department of Chemistry, National Tsing-Hua University, Hsinchu, Taiwan, ROC.

Abstract

PtCl2 (5 mol%) is an effective catalyst for aromatization of enediynes via a C-H bond insertion of tethered alkanes. The reaction mechanism of this cyclization is proposed to involve platinum-pi-alkyne intermediates. This cyclization works not only for terminal alkynes but also for internal alkynes.

PMID:
16494465
DOI:
10.1021/ol052962m
[PubMed]
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