HCID 54180797, compound → HCID 54136958, compound

Participants

Reaction Conditions

Reaction Steps

The compound (13) (10.864 g) was dissolved in an aqueous 90% acetic acid (330 ml) and the solution was stirred at 50° C. for 3 hours. After the completion of the reaction, the solution was concentrated. The residue was dissolved in ethanol to deposit triphenylcarbinol, and the mixture was filtered and concentrated again to obtain a syrup. The syrup was purified by a column chromatography [chloroform/methanol (100:1)] using Wako gel C-200 to give 5.150 g of the compound (14) (yield: 91.5%).

Provenance & Evidence