Journal of Organic Chemistry p. 5024 - 5025 (1984)
Update date:2022-08-02
Topics: Reaction Route Conjugated dienones Conjugate Addition-Elimination
Molander, Gary A.
Singaram, Bakthan
Brown, Herbert C.
B1-Alkenyl-9-borabicyclo<3.3.1>nonanes (B-1-alkenyl-9-BBN), easily and quantitatively prepared by the reaction of 9-BBN with various alkynes, undergo a facile reaction with the commercially available 4-methoxy-3-buten-2-one in diethyl ether at room temperature to provide conjugated dienones in essentially quantitative yields.
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