反应详情

To a solution of commercially available hexahydro-2,5-methano-pentalene-3a-carboxylic acid (10 g, 0.06 mol) in dichloromethane (200 mL) was added oxalyl chloride (8.7 g, 0.066 mol). The mixture was stirred overnight and then concentrated under reduced pressure to afford the title compound as a colorless oil (11 g, 99%). MS (DCI/NH3) m/z 184 (M+H)+.

1. concentrationconcentrated under reduced pressure