2-Hydroxymethyl-6-(4-trifluoromethoxy-phenyl)-5H-pyrazolo[1,5-a]pyrazin-4-one 、
氯化亚砜 以
二氯甲烷 为溶剂,
以to give 2-chloromethyl-6-(4-trifluoromethoxy-phenyl)-5H-pyrazolo[1,5-a]pyrazin-4-one as pale pink crystals的产率得到2-chloromethyl-6-(4-trifluoromethoxy-phenyl)-5H-pyrazolo[1,5-a]pyrazin-4-one