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Synthesis of Highly Substituted 1,3-Butadienes by Palladium-Catalyzed Arylation of Internal Alkynes

✍ Scribed by Tetsuya Satoh; Shinji Ogino; Masahiro Miura; Masakatsu Nomura


Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
167 KB
Volume
43
Category
Article
ISSN
0044-8249

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## Abstract Various 1,3‐diaryl‐2‐arylethynyl‐1,3‐butadienes **7** have been prepared by the Pd‐catalyzed trimerization of arylalkynes **4**. Their structures and stereochemistry have been confirmed by X‐ray crystal analyses. This procedure provides high regioselectivity to generate adducts __Z__‐**