dimethyl sulfite是什么意思

网络释义

用法例句

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

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

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。

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。

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。

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。

Assessment of Injuries Caused by Diethyl Sulfate Poisoning;

硫酸二甲酯中毒案件损伤程度评定44例分析

Synthesis of 4,4'-Methylene Diphenyl Dimethylcarbamate Catalyzed by Silica-Supported Sulfuric Acid

负载型硫酸催化合成二苯甲烷二氨基甲酸甲酯

S-ethyl diethylthiocarbamate

Ｓ－乙基二乙基硫代氨基甲酸酯

S-ethyl diisobutyl thiocarbamate

Ｓ－乙基－二异丁基硫代氨基甲酸酯

Study on Synthesis of Mixed Dibasic Acid Dimethyl Esters Catalyzed by Sodium Bisulfate

硫酸氢钠催化合成混合二元酸二甲酯的研究

A Quick Determination on Measuring the Sulphuric-acid Content in Mother Liquor of Sodium 3,5-Dimethyl-m-phthalate Sulfonate;

3,5-间苯二甲酸二甲酯磺酸钠母液中硫酸含量的快速测定

methyl-malonic ester

甲基丙二酸酯[二乙酯]

ammonium dimethyl-dithiocarbamate

二甲氨基二硫代甲酸铵

Study on the Reaction of á-Thiocarbonylthioformamide and Diethylacetylened icarboxylate;

α-硫羰基硫代甲酰胺与丁炔二酸二乙酯的反应探索

dilauryl thiodipropionate

硫代二丙酸二月桂酯

Synthesis and Application of RAFT Agent p-Xylylene Di(N-carbazylcarbodithioate)

RAFT试剂N-咔唑二硫代甲酸1,4-对二甲基苯双酯的合成及应用

Synthesis of Glycol Ether Dimethacrylic Acid Ester Catalyzed by Calcium Sulfate Whisker

硫酸钙晶须催化合成一缩二乙二醇双甲基丙烯酸酯

Catalytic Synthesis of Diisooctyl Adipate by N-methyl Pyrrolidone Hydrosulfate

N-甲基吡咯烷酮硫酸氢盐催化合成己二酸二异辛酯

dimethyl-p-phenylenediamine sulfate

二甲基对苯二胺硫酸盐

dinormal octyl phthalate

邻苯二甲酸二正辛酯(DNOP)

ethylene glycol dimethacrylate

乙二醇二甲基丙烯酸酯

diisopropyl phthalate

邻苯二甲酸二异丙酯

methyl diphenylene diisocyanate

二苯基甲基二异氰酸酯