反应详情

A mixture of alpha-oxo-4-[[(4-phenoxy)butyl]oxy]benzeneacetic acid methyl ester (0.85 g) in methanol and 0.5N sodium hydroxide (8 mL) was treated as in Example 19. Extraction provided material which was crystallized from diethyl ether-hexane to give 0.7 g of colorless alpha-oxo-4-[[(4-phenoxy)butyl]oxy]benzeneacetic acid, mp 103°-105° C.

1. additionwas treated as in Example 19
2. extractionExtraction
3. customprovided material which
4. customwas crystallized from diethyl ether-hexane