1) methyl bisulfate
硫酸单甲酯
3) Sulfonic-carboxymethyl Starch
羧甲基淀粉硫酸单酯
4) Sulphouinic acid
硫酸单乙酯
5) dimethyl sulfate
硫酸二甲酯
1.
The rescue and organization of group poisoning with dimethyl sulfate;
群体性硫酸二甲酯中毒的抢救与组织管理
2.
Determination of dimethyl sulfate in quaternary ammonium salt surfactant by headspace gas chromatography
顶空气相色谱法测定季铵盐型表面活性剂中硫酸二甲酯
3.
Two novel room-temperature ionic liquids, 1-methyl-3-methylimidazole methyl sulfate and 1-butyl-3-methylimidazole methyl sulfate were formed by the reaction of dimethyl sulfate with methylimidazole and butylimidazole at room temperature respectively.
利用硫酸二甲酯分别与N-甲基及N-丁基咪唑在室温下反应,一步合成了离子液体1-甲基-3-甲基咪唑硫酸甲酯和1-丁基-3-甲基咪唑硫酸甲酯,测定了在不同温度下离子液体的电导率。
6) dimethylsulfate
硫酸二甲酯
1.
8%,while m-aminophenol was used as material,ethyl bromide as ethyl reactant, dimethylsulfate as methyl reactant,and synthesis process was optimized by means of changing solvent and feeding appropriate phase-transfer catalyst etc.
以间氨苯酚为原料,用溴乙烷做烷基化试剂,硫酸二甲酯作甲基化试剂,通过改变溶剂及加入合适的相转移催化剂等方法优化工艺,经两步反应合成N-乙基间甲氧基苯胺,产率达到48。
2.
Under the reaction conditions as follows: n(2,7-dihydroxynaphthalene0∶n(doimethylSulfate)=1∶3, reaction temperature of 80℃, reaction time of 3h and by means of dropwise of dimethylsulfate, the yield of 2,7-dimethoxynapthalene was up to 783%.
以2,7 二羟基萘和硫酸二甲酯为原料,合成了2,7 二甲氧基萘。
3.
9%,while m-aminophenol is used as reactant,tetrahydropyran as hydroxyl shielding effect agent,acetic anhydride as acyl protection reactant and amidogen mono-substituted alternative reactant,ethyl bromide as ethyl reactant,dimethylsulfate as methyl reactant.
采用间氨苯酚为原料,以四氢吡喃(THP)作羟基保护剂,以醋酸酐作酰基保护剂和氨基单取代的专一选择剂,以溴乙烷作烷基化试剂,硫酸二甲酯作甲基化试剂,在原有最优化合成工艺条件下,经六步反应合成N-乙基间甲氧基苯胺,产率达到65。
补充资料：硫酸单甲酯
分子式：CH4O4S
分子量：112.10
CAS号：75-93-4
性质：油状液体。易溶于水，混溶于醚，稍少溶于醇。相对密度（15/4℃）1.45-1.47。
制备方法：将0.63份重量氯磺酸于2.5-3h缓缓滴入1份甲醇中，冷却即为硫酸氢甲酯。
用途：有机合成中间体。用于磺胺甲基嘧啶生产。
分子量：112.10
CAS号：75-93-4
性质：油状液体。易溶于水，混溶于醚，稍少溶于醇。相对密度（15/4℃）1.45-1.47。
制备方法：将0.63份重量氯磺酸于2.5-3h缓缓滴入1份甲醇中，冷却即为硫酸氢甲酯。
用途：有机合成中间体。用于磺胺甲基嘧啶生产。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条