反应详情

A mixture of 5 g. of 15-methylhexadecyl bromide and 5.2 g. of ethyl 4-aminobenzoate in 50 ml. hexamethylphosphoramide is heated for 17 hours at 120° C. The cooled solution is diluted with an equal volume of water and the resultant precipitate is filtered, washed with 100 ml. of 50% ethanol, dried, and crystallized from ethanol to yield a colorless crystalline solid.

1. additionA mixture of 5 g
2. filtrationthe resultant precipitate is filtered
3. washwashed with 100 ml
4. dry with materialof 50% ethanol, dried
5. customcrystallized from ethanol
6. customto yield a colorless crystalline solid