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| CAS号 : | 308815-81-8 |
精确质量 : | 241.05900 |
| 分子式 : | C10H11NO6 |
logP : | 1.16210 |
| 分子量 : | 241.19700 |
PSA : | 101.58000 |
4-羟甲基-2-硝基苯乙酸甲酯醚 | |
methyl 2-[4-(hydroxymethyl)-2-nitrophenoxy]acetate | |
308815-81-8 | |
C10H11NO6 | |
241.19700 | |
101.58000 | |
1.16210 | |
241.05900 |
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1.562
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209.859ºC
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1.374g/cm3
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423.389ºC at 760 mmHg
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2918990090
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HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives |
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品名, 成分含量, 用途 |
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2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
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2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
是由Manabe等人开发的用于合成寡糖。由化合物2-[4-(羟甲基)-2-硝基苯氧基]乙酸甲酯1衍生出来的聚合物3具有很强的吸电子基团硝基,在酸性条件下稳定。因此,在酸性条件下可以进行糖基化。分子内环化反应后,由于硝基基团的减少,寡糖聚合物裂解可以很容易地完 |