第 32 卷第 1 期 |  | Vol. 32 No. 1 | 2002 年 2 月 | Feb 2002 |
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所屬欄目:其它
3,4-二羥基-5-硝基苯甲酸的合成 |
陳毅平; 蘇敏; 蔡少芳 |
摘 要:以香蘭素為原料經(jīng)硝化、氧化制得 5 -硝基香蘭酸后 ,再脫甲基得到 3 ,4-二羥基 - 5 -硝基苯甲酸。經(jīng)工藝改進(jìn)各步收率均有較大的提高 ,總收率由 34.15 %提高至 6 5 .92 % |
關(guān)鍵詞:5-硝基香蘭酸; 3; 4-二羥基-5-硝基苯甲酸; 合成 |
中圖分類(lèi)號:TQ245.1+2 文獻標識碼:A 文章編號:1009-9212(2002)01-0022-02 |
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Synthesis of 3,4-Dihydroxyl-5-Nitrovanillic Acid. |
CHEN Yi ping; et al.(Dept. of Pharmaceutical chemistry; Guangxi College of Traditional Chinese Medicine; Nanning 530001) |
Abstract:Chin.3,4-Dihydroxyl-5-nitrobenzoic acid was synthesized from vanillin via nitration oxylation to afford 5-nitrovanillic acid followed by demethylation, the totle yield from 34.15% rasied to 65.92% by using the cheaper reagents and improving the reactin in some steps. |
Key words:Nitrovanillic Acid; 3; 4 Dyhydroxyl 5 Nitrovanillic Acid; Synthesis |
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收稿日期:2001-06-03
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