cas 16648-44-5

Conversion: 1. 1kg of MAPA (Methyl 2-phenylacetoacetate) powder is dissolved in 1 liter of hot H2O with stirring 2. 3 Liters of HCL 37% are added 3. Reflux with stirring around 7-8 hours at 80-90C until the oily part seems brown. 4. Cooled in an Ice bath. 5. Now are 2 layers in the flask...