反应详情

2-Bromo-4H-thieno[3,2-b]pyrrole-5-carboxylic acid ethyl ester (Eras, J.; Galvez, C.; Garcia, F., J. Heterocycl. Chem., 21: 215-217 (1984)) was hydrolyzed according to Procedure D (after cooling to room temperature, acidification with 2 N HCl; resultant precipitate filtered, suspended in toluene, concentrated; no purification).

1. filtrationresultant precipitate filtered
2. concentrationconcentrated
3. customno purification)