Copper-free synthesis of skipped diynes via cross-coupling reactions of alkynylalanes with propargylic electrophiles |
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| Authors: | Kessabi Jilali Beaudegnies Renaud Jung Pierre M J Martin Benjamin Montel Florian Wendeborn Sebastian |
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| Institution: | SYNGENTA Crop Protection AG, Research Chemistry, CH-4002 Basel, Switzerland. |
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| Abstract: | Alkynylalanes provide a new, copper-free route to skipped diynes when combined with propargylic electrophiles bearing an aluminum-complexing leaving group. The reaction is mild, efficient, and, in contrast to copper-mediated methods, highly regioselective. reaction: see text] |
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