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- W2371958014 abstract "OBJECTIVE To find out the most effective synthetic method of N2-(4-methyl phenyl) sulfonyl-L-asparagin.METHODS Using L-asparagine and toluenesulfonyl chloride as starting material,various bases as the bind acid agents.The influence on the results in water was sought out.RESULTS Et3N was the appropriate bind acid agent and the optimum reaction condution was that the mixture was stirred at 0-5 ℃ for 3 h and another 8 h at room temperature in water.Then the mixture was filtered and the filtrated was adjusted to pH2 with concentrated hydrochloric acid.Then the white solid was got and refinded with methanol to get the target compound with yield of 80.2%.CONCLUSION The procedure is stable and operative." @default.
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- W2371958014 date "2012-01-01" @default.
- W2371958014 modified "2023-09-28" @default.
- W2371958014 title "Study on the synthesis of N~2-(4-methylphenyl) sulfonyl-L-asparagin" @default.
- W2371958014 hasPublicationYear "2012" @default.
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