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jinfeizuo

木虫 (正式写手)

[交流] L-脯氨酸钠怎么合成?

怎么由L-脯氨酸合成L-脯氨酸钠?
直接加碳酸氢钠吗?会不会将L-脯氨酸消旋了?

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但愿同展鸳鸯锦,挽住梅花不许谢……
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snoopy896

A solution containing 0.3 kg of sodium hydroxide dissolved in 1.0 liter of deionized water [(DIW)] was prepared and injected into a 27 liter reaction vessel. The sodium hydroxide solution in the reaction vessel was cooled to room temperature with an ice/salt bath, and then 0.5 kg of L-prolin was added to the alkaline solution and dissolved with stirring, making a solution having a 1: 2 ratio of L-proline to [NAOH.] Cooling of the solution was continued to a temperature [OF-10.deg.C] to [10.deg.C.] The reaction medium was then diluted with about 2 liters of ethanol. The reaction vessel was purged with nitrogen gas and kept under a constant nitrogen atmosphere during the remainder of the synthesis process.

英语应该能解决吧
Publ.: WO2003/99784 A1 (2003/12/04), Appl.: WO2003-US14890 (2003/05/08)你可以把专利调出来
也是一样,你看看吧,相信对你有帮助
祝你成功
8楼2008-03-30 15:38:58
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jinfeizuo

木虫 (正式写手)

呵呵谢谢以上的朋友 不过好象没有明确步骤的 以前只听人说过 L-脯氨酸钠 但是不知道怎么合成的
但愿同展鸳鸯锦,挽住梅花不许谢……
4楼2008-03-23 23:09:03
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青岛小哥

我知道怎么合成L-脯氨酸!
5楼2008-03-24 08:41:42
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wangtao0512

金虫 (小有名气)

★ ★
jinfeizuo(金币+2,VIP+0):谢谢啊
用碳酸氢钠,产率不高,
用氢氧化钠,在冰浴下。不会消旋
6楼2008-03-28 12:33:34
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