Methane → HCID 13192325, compound

Participants

Reaction Steps

A small amount of active charcoal was added to 2-(2,5-dichlorophenyl-carbamoyl)-3-methyl-5,6-dihydro-imidazo [2,1-b] thiazole hydrochloride (compound 8) (9.1 g, 0.025M) dissolved in water (300 ml), and the mixture was stirred for 10 minutes and filtered. Pyridine was added to the filtrate with stirring to adjust the pH to alkaline. The precipitated crystals were collected by filtration, completely washed with water and dried to obtain compound 7 as white powdery crystals. (8.7 g, yield: 95.6%)

Provenance & Evidence