prov:value
| - ium carbonate, cesium carbonate, and the like, in an organic alcohol such as ethanol, methanol, and the like, in an organic solvent such as toluene, xylene, and the like, at a temperature in the range of about ambient to reflux, to yield the corresponding compound of formula (XXXVII). [0148] The compound of formula (XXXVII) is hydrolyzed by reacting with an aqueous solution of a base such as LiOH,
|