Gold(III) chloride catalyzed cyclization of α-hydroxyallenes to 2,5-dihydrofurans

Organic Letters

Volumn 3, Issue 16, 2001, Pages 2537-2538

  Hoffmann Röder, Anja ^a   Krause, Norbert ^a  

^a TU DORTMUND UNIVERSITY   (Germany)

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ARTICLE;

EID: 0000177104     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol016205+     Document Type: Article

References (21)

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3. (b) Evans, P. A.; Murthy, V. S.; Roseman, J. D.; Rheingold, A. L. Angew. Chem. 1999, 111, 3370-3372; Angew. Chem., Int. Ed. Engl. 1999, 38, 3175-3177.
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11. Recently, similar cyclizations of secondary allylic alcohols have been reported: (a) Young, J.-j.; Jung, L.-j.; Chen, K.-m. Tetrahedron Lett. 2000, 41, 3411-3413.
12. (b) Young, J.-j.; Jung, L.-j.; Chen, K.-m. Tetrahedron Lett. 2000, 41, 3415-3418.
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14. (a) Hashmi, A. S. K.; Schwarz, L.; Choi, J.-H.; Frost, T. M. Angew. Chem. 2000, 112, 2382-2385; Angew. Chem., Int. Ed. 2000, 39, 2285-2288.
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21. With the more Lewis acid labile trimethylsilyl or triethylsilyl ether, however, no cyclization but cleavage of the protection group was observed.