Sulfuric Acid → HCID 18511992, compound

Participants

Reaction Steps

The product from Example 40A (1.88 g, 4.83 mmoles) in tetrahydrofuran (30 mL) was treated with an aqueous solution of 2N sulfuric acid (1.24 mL) and allowed to stirr overnight at 65° C. The mixture was cooled to room temperature, quenched with saturated sodium bicarbonate, and concentrated under reduced pressure. The residue was mixed with diethylether and washed with water, brine, dried with sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure to provide the title compound. MS (ESI+) at m/z 347 (M+H)+.

Provenance & Evidence