How is 2-Methyl-2-propanyl 3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate (CAS: 864770-82-1) typically synthesized?

2-Methyl-2-propanyl 3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate (CAS: 864770-82-1) is typically synthesized via a multistep route involving the coupling of a boronic acid derivative with an indazole carboxylic acid under palladium catalysis. The reaction is conducted in the presence of a base such as potassium carbonate and a Pd(II) catalyst. The product can be isolated by filtration and purified using column chromatography.