Search results

I have done this reaction 1000 times, while observing the proportions and reaction conditions, including the procedure of adding reagents and iodine in parts, nothing has ever happened to me

using 85% phosphoric acid instead of H20 in a 1:1 ratio to ephedrine creates a more effective reaction, mix ephedrine with phosphorus and then dissolve it in heated phosphoric acid, temperature approx. 100 °C and add iodine in increments so that the last iodine is added around 130 °C and the...