第一個 Stage #1: 4-methoxy-aniline With hydrogenchloride; sodium nitrite In water at -10 - -5℃; for 0.5h;
Stage #2: ethyl 2-chloro-3-oxo-butyrate With sodium acetate In water at -10 - -5℃; for 2h;
第二個 Stage #1: 4-methoxy-aniline With hydrogenchloride In water at 40℃; for 0.416667h;
Stage #2: With sodium nitrite In water at -2℃; for 0.583333h;
Stage #3: ethyl (2-chloroaceto)acetate With aminosulfonic acid; sodium acetate more than 3 stages; ,
這個結(jié)構(gòu)有點問題吧,
反應(yīng)物一個氮,
產(chǎn)物中有二個氮了哈。
不好意思,應(yīng)該是對甲氧基苯肼
叉字符表示的是雙鍵有可能是Z有可能是E
第一個 Stage #1: 4-methoxy-aniline With hydrogenchloride; sodium nitrite In water at -10 - -5℃; for 0.5h;
Stage #2: ethyl 2-chloro-3-oxo-butyrate With sodium acetate In water at -10 - -5℃; for 2h;
第二個 Stage #1: 4-methoxy-aniline With hydrogenchloride In water at 40℃; for 0.416667h;
Stage #2: With sodium nitrite In water at -2℃; for 0.583333h;
Stage #3: ethyl (2-chloroaceto)acetate With aminosulfonic acid; sodium acetate more than 3 stages;
,