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 0.14 ml of 4-fluorobenzoyl chloride are mixed together then the reaction medium is agitated at ambient temperature for 2 hours. Then ether is added, followed by separating, drying, taking up in water, extracting with methylene chloride, drying and evaporating the solvents. In this way 283 mg of expected product is obtained.

1. customby separating
2. customdrying
3. extractionextracting with methylene chloride
4. customdrying
5. customevaporating the solvents