反应详情

280 mg of the product obtained in Stage 1 of Example 7, 4 ml of methylene chloride, 0.28 ml of triethylamine and 264 mg of 2-chloronitrobenzoyl chloride are mixed together then the reaction medium is agitated at ambient temperature for 3 hours. Then 2 ml of water is added, followed by extracting with methylene chloride, drying and evaporating the solvents. In this way 295 mg of expected product is obtained.

1. extractionby extracting with methylene chloride
2. customdrying
3. customevaporating the solvents