p-methylacetophenone
英
美
网络 对甲基苯乙酮
双语例句
- Celecoxib as a cyclooxygenase-2 inhibitor, was synthesized from p-methylacetophenone and ethyl trifluoroacetate by successively condensation and cyclization in67% overall yield.
以对甲苯乙酮和三氟醋酸乙酯为原料，经缩合、环合两步反应得到2型环氧酶抑制剂赛来昔布，总收率为67%。