Rhodium-catalyzed addition of alkenyl- and...

C - Chemistry – Metallurgy – 07 – C

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C07C 33/20 (2006.01) C07B 37/02 (2006.01) C07B 41/02 (2006.01) C07C 29/38 (2006.01) C07C 31/135 (2006.01) C07C 45/69 (2006.01) C07C 49/213 (2006.01) C07C 49/76 (2006.01) C07C 67/31 (2006.01) C07C 67/343 (2006.01) C07C 69/76 (2006.01) C07C 201/12 (2006.01) C07C 205/19 (2006.01) C07C 205/45 (2006.01) C07C 253/30 (2006.01) C07C 255/53 (2006.01) C07D 333/22 (2006.01)

Patent

CA 2285578

Alkenyl- and aryltrifluoroborates undergo addition to enones and aldehydes in the presence of Rh(I) catalysts to give .beta.-functionalized ketones and benzylic/allylic alcohols respectively. Reaction proceeds more rapidly than with the corresponding boronic acids, and the choice of phosphine ligand does not significantly influence the overall efficiency of addition.

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