HCID 22055255, compound → HCID 22055263, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 12A (95.5 mg, 0.30 mmol) and Fe powder (135 mg, 2.4 mmol) in HOAc/EtOAc (1/1) (2 ml) was heated at 70° C. for 3.5 h. The mixture was cooled to rt, filtered through an 1″ celite pad and rinsed with HOAc/EtOAc (1/1) (4×8 ml). The filtrate was concentrated in vacuo. The residue was diluted with 1N NaOH (40 ml), extracted with EtOAc (2×60 ml) and the combined EtOAc extracts were washed with brine (1×20 ml), dried (MgSO4), filtered and concentrated in vacuo to give 12B (83.1 mg, 79% pure) which was used in next step without further purification. Analytical HPLC retention time=2.08 min. (YMC Xterra S7 C18, 3.0×50 mm column, 10–90% aqueous methanol over 2 minutes containing 0.1% TFA, 5 mL/min, monitoring at 220 nm).

Provenance & Evidence