7-苯乙酰胺基-3-氯甲基头孢烷酸对甲氧基苄酯C-3位卤离子交换反应研究 关键词： GCLE；卤素交换；反应选择性[gap=967]Key words： GCLE; halogen exchange; reaction selectivity
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Reaction selectivity and specificity 反应选择性和专一性
selectivity of reaction 反应选择性
catalytic reaction with high selectivity 高选择性催化反应
selectivity in photochemical reaction 光化学反应的选择性
The optimization results indicated that the reaction selectivity increased by over 2%.
优化结果表明，反应选择性可提高2%以上。
Concept, theory and characteristics of supercritical liquid, reaction kinetics and reaction selectivity under supercritical liquid.
介绍了超临界流体的概念、原理和特点，及在超临界下 反应动力学和 反应选择性。
The present invention is used in the synthesis of capped polyether to raise the reaction selectivity and polyether capping rate effectively.
本发明用于封端聚醚的合成，能有效提高反应选择性和聚醚封端率。
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