methoxide

methoxide

1. Keywords dimethyl succinylsuccinate;dimethyl succinate;sodium methoxide;

丁二酰丁二酸二甲酯;丁二酸二甲酯;甲醇钠;

2. triphenyl methoxide

三苯基甲醇盐

3. DO NOT MIX THE METHOXIDE IN A PLASTIC SOFT DRINK BOTTLE AS THE NaOH ATTACKS THE PLASTIC AND YOU WILL QUICKLY BE SHAKING A BOTTLE FULL OF HOLES WITH METHOXIDE GOING EVERYWHERE.

不要混合甲醇盐在一个塑料的软饮料瓶，因为氢氧化钠会腐蚀塑料软硬料瓶，同时你需要快速摇晃饮料瓶使甲醇和氢氧化钠混合均匀。

4. The title compound was prepared from monomethyl sulfate and sodium acetyl ethenoxide, which was obtained from the reaction of acetone, sodium methoxide and methyl formate.The overall yield was 71.8%?

丙酮、甲醇钠与甲酸甲酯反应得乙酰基乙烯醇钠,再与硫酸氢甲酯反应得到目标产物,收率可达71.8%。

5. Keywords diethylamine;catalytic carbonylation;diethyl formamide;propylene oxide;promoter;sodium methoxide;

二乙胺;催化羰化;二乙基甲酰胺;环氧丙烷;助催化剂;甲醇钠;

6. Replacement of potassium hydride by sodium methoxide,replacement of hydrogen chloride by HCl-ethanol,and replacement of ether by toluene were in the improved procedure.

以甲醇钠代替氢化钾作为缩合剂,以盐酸乙醇代替氯化氢气体,以甲苯代替乙醚,对此工艺进行了改进。结果:得到较好的工艺条件,总收率达到47.4%。

7. We investigated relationships between the reaction and concentration of sodium methoxide or temperature by XRD analysis.

利用XRD为主要检测手段研究了甲醇钠的质量分数、反应温度等因素对反应的影响。

8. Activity of alkali methoxide catalysts (sodium methoxide and potassium methoxide) in carbonylation of methanol was studied.IR, GC and GC-MS were used to identify products and changes of the catalysts.

利用红外、气相色谱、色谱-质谱联用方法对甲醇羰基化反应过程中甲醇钾和甲醇钠催化剂的失活情况进行了研究。

9. Keywords potato scrap;extracting pectin;little methoxide;

土豆渣;低甲氧基;果胶提取;

10. The results showed that calcium methoxide exhibited strong basicity and good thermal stability.

实验结果表明：甲醇钙热稳定性好，碱性强；

11. TAKE CARE when handling the sodium methoxide -- full safety precautions!

小心地处理醇盐!

12. Sodium methoxide is a DANGEROUS CHEMICAL. Take full safety precautions when working with methanol, lye and sodium methoxide, wear safety goggles, protective gloves and clothing, have running water nearby.

小心用碱!使用防护衣和安全手套。临近自来水管。

13. While the oil is cooling mix your methanol and NaOH(lye) to form the methoxide.

当食用油冷却时，先将甲醇和氢氧化钠。

14. Determination of Content of Sodium Methoxide and Its Solubility in Tetrahydrofuran by Micro-titration

微量滴定法测定甲醇钠含量及其在四氢呋喃中的溶解度

15. In the function of sodium methoxide, several factors effecting on alcoholysis of u...

探讨了在甲醇钠作用下,氧化锌催化尿素醇解的影响因素。

16. 1.In the function of sodium methoxide, several factors effecting on alcoholysis of urea by zinc oxide catalyst were obtained.

探讨了在甲醇钠作用下，氧化锌催化尿素醇解的影响因素。

17. The erucic acid and N, N-dimethyl-propanediamine as raw material, sodium methoxide as a catalyst for the condensation reaction of the amide intermediate products tertiary amine;

本文以芥酸和N,N-二甲基丙二胺为原料，甲醇钠为催化剂进行酰胺化缩合反应得到中间产物叔胺；

18. Keywords methyl 3-methoxypropionate;methyl acrylate;methanol;sodium methoxide;addition reaction;

甲氧基丙酸甲酯;丙烯酸甲酯;甲醇;甲醇钠;加成反应;

19. aluminum methoxide

甲氧基铝

20. Keywords methyl formate;carbon monoxide;methanol;pyridine;sodium methoxide;

甲酸甲酯;一氧化碳;甲醇;吡啶;甲醇钠;

21. Sodium formate is much less active for the carbonylation of methanol than sodium methoxide.

甲酸钠对甲醇羰基化反应也具有一定的催化作用，但其活性远远低于甲醇钠。

22. Keywords methanol carbonylation;sodium methoxide catalyst;propylene oxide promoter;methyl formate;

甲醇羰化;甲醇钠催化剂;环氧丙烷-助催化剂;甲酸甲酯;

23. calcium methoxide

甲醇钙

24. sodium methoxide

甲醇钠 甲氧基钠

25. Sodium methoxide;

甲醇钠;

26. sodium methoxide catalyst

甲醇钠催化剂

27. Chemistry analysis of sodium methoxide and sodium formate

甲醇钠和甲酸钠的化学分析

28. barium methoxide

甲醇钡

29. potassium methoxide

甲醇钾

30. Potassium methoxide, 0.1 N Solution in Toluene/...

甲醇钾0.1N溶液甲苯/甲醇混合溶剂；

31. aluminium methoxide

甲醇铝

32. lithium methoxide

甲醇锂

33. magnesium methoxide

甲醇镁

34. The factors on isomerization such as reaction temperature, time, amounts of sodium methoxide and ethyl glycol have been researched.The optiomal condition has been set.

研究了反应温度、反应时间、甲醇钠用量、溶剂量对异构效果和收率的影响,确定了优化工艺条件。

35. Keywords alkaline earth alkoxide;anhydrous rare earth acetate;rare earth methoxide;

碱土金属醇盐;无水稀土乙酸盐;稀土甲醇盐;

36. STUDY ON ACTIVITY OF ALKALI METHOXIDE CATALYSTS FOR CARBONYLATION OF METHANOL

碱金属醇盐甲醇羰基化催化剂活性研究

37. Keywords structural changes;kaolinite;sodium methoxide;intercalation;amorphous;

结构转变;高岭石;甲醇钠;插层;无定形;

38. It showed that kaolinite was easy to be expanded at low concentration of sodium methoxide or low temperature and to be amorphous on the contrary.IR analysis proved the change of kaolinite structure.

结果表明:在反应温度较低、质量分数较低的甲醇钠溶液中,高岭土容易被插层而膨胀,反之高岭土的层状结构被破坏而无定形化。

39. Keywords carbonylation;methyl formate;carbon monoxide;sodium methoxide;pyridine;

羰基化;甲酸甲酯;一氧化碳;甲醇钠;吡啶;

40. The spirocyclopropane derivatives were readily converted into the corresponding methyl esters in nearly quantitative yields by treatment with absolute methanol containing catalytic amounts of sodium methoxide.

螺环化合物经甲醇钠催化下的甲醇解开环，定量得到氨基和羧基均被保护的6个开环产物；

41. WARNING: METHOXIDE IS A POISON!

警告：甲醇盐是有毒的。

42. Keywords isomerization;saponification;sodium methoxide;ethyl chrysanthemate;

顺反异构;皂化;菊酸乙酯;甲醇钠;

43. Structural Changes of kaolinite in Sodium Methoxide Solution

高岭石在甲醇钠溶液中的结构转变研究