第 39 卷第 3 期 |  | Vol. 39 No. 3 | 2009 年 6 月 | Jun 2009 |
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所屬欄目:醫藥及中間體
3-氯-6-甲基二苯并[c,f][1,2]硫氮雜卓-11(6H)-酮5,5-二氧化物的合成 |
孫 亮,張 珩*,楊藝虹,楊建設,張秀蘭
(武漢工程大學(xué) 綠色化工過(guò)程省部共建教育部重點(diǎn)實(shí)驗室,湖北 武漢 430073) |
摘 要:以4-氯-2-磺酰氯苯甲酸甲酯為原料,經(jīng)縮合、甲基化、氫解及環(huán)合反應合成噻萘普汀重要中間體3-氯-6-甲基二苯并[c,f][1,2]硫氮雜卓-11(6H)-酮5,5-二氧化物,討論了縮合反應中傅酸劑吡啶的用量對反應的影響以及氫解反應中氫化鈉用量對反應的影響,得到了較優(yōu)的工藝條件:n(4-氯-2-磺酰氯苯甲酸甲酯) ∶ n(吡啶)=1 ∶ 1.86、n[4-氯-2-(N-甲基-N-苯基-胺磺;-苯甲酸甲酯] ∶ n(氫化鈉)=1 ∶ 3。對環(huán)合反應條件進(jìn)行了研究,確定了適宜反應溫度為100~110℃?偸章蕿55.9%,其化學(xué)結構經(jīng)IR、1H NMR、MS得以確證。 |
關(guān)鍵詞:3-氯-6-甲基二苯并[c,f][1,2]硫氮雜卓-11(6H)-酮5,5-二氧化物;噻萘普;縮合;
氫解;環(huán)合 |
中圖分類(lèi)號:R971+.43 文獻標識碼:A 文章編號:1009-9212(2009)03- 0034-03 |
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Synthesis of 3-Chloro-6-methyl-dibenzo[c,f][1,2]thiazepin-11(6H)-one 5,5-dioxide |
SUN Liang,ZHANG Heng*,YANG Yi-hong,YANG Jian-she,ZHANG Xiu-lan
(Key Laboratory for Green Chemical Process of Ministry of Education,Wuhan Institute of Technology,Wuhan 430073,China) |
Abstract:3-Chloro-6-methyl-dibenzo[c,f][1,2]thiazepin-11(6H)-one 5,5-dioxide,a key intermediate of Tianeptine,was synthesized from 4-chloro-2-sulfonylchloride methyl benzoate via condensation,methylation,hydrogenolysis and cyclization in an overal yield of 55.9%. The influences of acid-capturer pyridine dosage on condensation and sodium hydride dosage on hydrogenolysis were optimized as follows:n(4-chloro-2-sulfonylchloride methyl benzoate) ∶ n(pyridine)=1 ∶ 1.86,n(4-chloro-2-(N-methyl-N-phenylsulphonamide) methyl benzoate) ∶ n(sodium hydride) = 1 ∶ 3. The optimal temperature for cyclization reaction was obtained to be 100~110℃. IR,1H NMR and MS were used for structure identification. |
Key words:3-chloro-6-methyl-dibenzo[c,f][1,2]thiazepin-11(6H)-one 5,5- dioxide;Tianeptine condensation;hydrogenolysis;cyclization |
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作者簡(jiǎn)介:孫 亮(1984- ),男,浙江紹興人,碩士研究生,從事藥物設計與合成研究。(E-mail:witsunliang@sina.com)
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聯(lián) 系 人: 張 珩(1956- ),男,教授,碩士生導師,主要從事制藥工程方面的教學(xué)和研究。(E-mail:zhzpthm@163.com)
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收稿日期:2009-03-19
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