Ultimately, cyclopentadecanolide(1) was derived from 7 through intramolecular cyclization in high temperature and vacuum, with K2CO3 as reagent. The yield was 20%.
7在碳酸钾作用下,高温减压条件下环化,蒸馏得到最终产品——环十五内酯(1),产率20%。
参考来源 - 环十五内酯的制备工艺·2,447,543篇论文数据,部分数据来源于NoteExpress
Absorption and desorption characteristics of improved thermal K2CO3 solution absorbing CO2 were studied in a small static test device.
在小型静态实验装置上研究了改良热k2co3溶液对CO2的吸收和解吸特性。
Potash:Name used for various inorganic compounds of potassium, chiefly the carbonate (K2CO3), a white crystalline material formerly obtained from wood ashes.
钾碱:泛指钾的各种化合物。主要指碳酸盐(K2CO3),呈白色晶体,以前从木材的灰烬中提。
K2CO3 was added to the natural water sample for preprocessing, and the main interfering elements, i. e. calcium and magnesium, could then be conveniently separated from lithium.
在天然水样中加入碳酸钾进行预处理,方便地分离了锂的主要干扰元素钙和镁。
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