Benzenesulfinic acid, sodium salt → 5-(1,3-Dioxolan-2-yl)-3-(phenylsulfonyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-indazole

Participants

Reaction Steps

The title compound was prepared following the procedure described for Example 9A using 150 mg (0.336 mmol) 5-(1,3-dioxolan-2-yl)-3-iodo-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-indazole (Example 6A) and 164 mg (1.01 mmol) sodium benzenesulfinate. After cooling, the reaction mixture was filtered, and the filtrate was purified by preparative RP-HPLC (acetonitrile/water+0.05% TFA gradient) to give 55 mg of a product mixture containing the title compound. This mixture was used in the next step without further purification.

Provenance & Evidence