磺胺醋酰鈉合成工藝的改進(jìn)
發(fā)布時(shí)間:2018-11-15 20:26
【摘要】:對(duì)磺胺醋酰鈉的合成工藝進(jìn)行改進(jìn),考察催化劑、p H、反應(yīng)溫度、反應(yīng)時(shí)間、加樣方式對(duì)磺胺醋酰產(chǎn)率的影響,用不同溶劑的氫氧化鈉溶液與其成鹽。結(jié)果表明,55℃,不加催化劑,醋酐和Na OH,同時(shí)分次加入或者控制p H、醋酐和Na OH一次性全部加入,反應(yīng)時(shí)間0.5~1 h,磺胺醋酰的產(chǎn)率分別為73.5%,73.7%,用5%Na OH乙醇溶液與磺胺醋酰成鹽,可提高磺胺醋酰鈉的收率。
[Abstract]:The synthetic process of sodium sulfonamide acetate was improved. The effects of, p H, reaction temperature, reaction time and sample method on the yield of sulfonamide acetate were investigated. Sodium hydroxide solution with different solvents was used to form salt. The results showed that at 55 鈩,
本文編號(hào):2334361
[Abstract]:The synthetic process of sodium sulfonamide acetate was improved. The effects of, p H, reaction temperature, reaction time and sample method on the yield of sulfonamide acetate were investigated. Sodium hydroxide solution with different solvents was used to form salt. The results showed that at 55 鈩,
本文編號(hào):2334361
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