反应详情

To a mixture of methyl propionylacetate (104 g. 0.8 mole) and trimethyl orthoformate 98% (95.3 g, 0.88 mole) was added dropwise 1 ml of concentrated H2SO4 at room temperature and it was allowed to stir overnight. After neutralization with excess anhydrous K2CO3, the solution was filtered and distilled to yield the title ester, b.p. 55° C. (0.55 mm).

1. filtrationAfter neutralization with excess anhydrous K2CO3, the solution was filtered
2. distillationdistilled