Fig. 3: Extended applications of the palladium-catalyzed Suzuki‒Miyaura cross-coupling reaction.

a The reaction of 1c and 2a results in product 7a. b The reaction of 1d and 2a or PhB(OH)2 results in products 7b and 7c. c The reaction of 1e and 2a results in product 7d. d Application to the synthesis of bicyclic diester compound 9a.