常見例句Cefetamet pivoxil was synthesized from chloromethyl pivalate and 7?ADCA. 7?氨基?3?甲基?3?頭孢烯?4?羧酸; 頭孢他美;The method for converting penicillin G to 7 amino deacetoxycephalosporanic acid(7 ADCA) was reviewed. 綜述了以青霉素 G鉀鹽為原料 ,制備 7-氨基去乙酰氧基頭孢烷酸 ( 7-ADCA)的方法。It is also caused by mutations in genes associated with autosomal dominant cerebellar ataxia (ADCA), notably CAG/CAA repeat expansions in SCA2. 它還可能由常染色體顯性遺傳性小腦性共濟(jì)失調(diào)相關(guān)基因突變引起,尤其是SCA2中的CAG/CAA重復(fù)擴(kuò)增。The recent scale and progress of ADCA production, two - step synthetic route and uses in five main fields are presented. 介紹ADCA目前的生產(chǎn)規(guī)模和進(jìn)展、兩步法合成路線及5大方面的應(yīng)用.In contrast, similar-sized but uninterrupted repeats were associated with ADCA in which cerebellar ataxia was constant and associated only rarely with one or more mild parkinsonian signs. 與之相反,大小類似但未阻斷重復(fù)與ADCA相關(guān),這些患者小腦性共濟(jì)失調(diào)持續(xù)存在而且只與一個(gè)或多個(gè)中等帕金森體征相關(guān)。The mechanism of the ring enlarging reaction,sorts of ring enlarging catalysts and several preparative methods of converting 7 (phenylacetamido) deacetoxycephalosporin acid to 7 ADCA were summarised. 總結(jié)了擴(kuò)環(huán)反應(yīng)的反應(yīng)機(jī)理、擴(kuò)環(huán)催化劑的種類及由頭孢烷酸轉(zhuǎn)化成7-ADCA的方法。 返回 ADCA