alfin initiator是什么意思

网络释义

用法例句

The possible structures and transition states of sodium ethenolate are optimized at both RHF/3-21G and RHF/6-31+G* levels of theory.

在ＲＨＦ／３－２１Ｇ和ＲＨＦ／６－３１＋Ｇ水平上优化了乙烯醇钠的的平衡构型及过渡态，比较了不同构型的稳定性。

Sodium allylate was prepared from solid sodium hydroxide and allyl alcohol under mild conditions,and then the solid sodium allylate was reacted with epichlorohydrin in anhydrous system to produce allyl glycidyl ether in high yield and purity.

以固体NaOH和烯丙醇为原料在温和条件下制得烯丙醇钠,再以固体烯丙醇钠为原料,与环氧氯丙烷在无水条件下高产率地得到高纯度的烯丙基缩水甘油醚。

Theoretical study on molecular structural properties and synthesis of sodium formyl acetone;

丁酮烯醇钠分子结构性质及合成的理论研究

Secondly,a mixture of acetone and methyl formate was added into the methanol solution of sodium methoxide to prepare sodium formyl acetone by Claisen reaction.

以金属钠为原料,甲醇为溶剂,先制成甲醇钠的饱和甲醇溶液,再滴加丙酮和甲酸甲酯进行Claisen酯缩合制得丁酮烯醇钠,最后在强酸作用下与甲醇进行缩醛化反应合成了4,4-二甲氧基-2-丁酮,过程总收率达到73。