Ketoprofen was synthesized from anline by amidation, cyclization, benzylation, hydrolysis, deamination and oxidation with an overall yield of 42.5 %.
英
美
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以苯胺為起始原料;經(jīng)過(guò)酰胺化、環(huán)合、芐基化、水解、脫胺基、氧化等幾步反應;得到產(chǎn)物酮基布洛芬;總收率42.;5%25。
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国内精品美女A∨在线播放xuan