Methanol → HCID 59161040, compound

Participants

Reaction Steps

The crude product from Example 1A is dissolved in 40 ml of methanol, and 200 mg of Dowex 50 WX8-100 ion exchanger (washed beforehand 7× with in each case 20 ml of 2 M hydrochloric acid and then 7× with in each case 20 ml of methanol) are added. The mixture is stirred at +64° C. for 20 h. After cooling to RT, the ion exchanger is filtered off and the filtrate is concentrated on a rotary evaporator. The crude product is directly used in the next reaction without further purification.

Provenance & Evidence