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Copper-catalyzed cross-coupling of vinylsiloxanes with bromoalkynes: Synthesis of enynes
Enynes are versatile building blocks in organic synthesis. A copper-catalyzed Hiyama-type cross-coupling of vinylsiloxanes with bromoalkynes is presented. This mild and efficient method led to the formation of various sensitive enynes. The use of cis, trans, and 1,1?-disubstituted vinylsiloxanes was allowed, and full retention of stereochemistry was observed. Sensitive groups such as halides, unsaturated ketones, and aldehydes were fully tolerated.
Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.name: 1,3-Bis(2,6-diisopropylphenyl)imidazolium chloride. In my other articles, you can also check out more blogs about 250285-32-6
Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare