A New Reaction of Aryl Aldehydes with Aryl Acetylenes in the Presence of Boron Trihalides

A New Reaction of Aryl Aldehydes with Aryl Acetylenes in the Presence of Boron Trihalides

The reactions of aryl aldehydes with 2 equiv of arylacetylenes in the presence of boron trichloride yield (E,Z)-1,3,5-triaryl-1,5-dichloro-1,4-pentadienes. Reactions carried out in the presence of boron tribromide generate the corresponding (Z,Z)-1,3,5-triaryl-1,5-dibromo-1,4-pentadienes.

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Veröffentlicht in:Organic letters 2002-05, Vol.4 (9), p.1491-1493
Hauptverfasser: Kabalka, George W, Wu, Zhongzhi, Ju, Yuhong
Format: Artikel
Sprache:eng
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Zusammenfassung:The reactions of aryl aldehydes with 2 equiv of arylacetylenes in the presence of boron trichloride yield (E,Z)-1,3,5-triaryl-1,5-dichloro-1,4-pentadienes. Reactions carried out in the presence of boron tribromide generate the corresponding (Z,Z)-1,3,5-triaryl-1,5-dibromo-1,4-pentadienes.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol025696a