22. The reaction conditions below are known to form substituted biphenyls. Provide a catalyti cycle for this transformation. B(OH)2 Pd(PPH3)4 (3 mol %) -8 Na₂CO3 (2 equiv.), benzene R-

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter6: Reactions Of Alkenes
Section: Chapter Questions
Problem 6.31P: When 2-pentene is treated with Cl2 in methanol, three products are formed. Account for the formation...
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Question #22.
22. The reaction conditions below are known to form substituted biphenyls. Provide a catalytic
cycle for this transformation.
B(OH) 2
Br
6.6
+
Pd(PPh 3) 4 (3 mol %)
Na₂CO3 (2 equiv.), benzene
Transcribed Image Text:22. The reaction conditions below are known to form substituted biphenyls. Provide a catalytic cycle for this transformation. B(OH) 2 Br 6.6 + Pd(PPh 3) 4 (3 mol %) Na₂CO3 (2 equiv.), benzene
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