Ring-Closing Metathesis 复分解关环反应
ring closing react 关环反应 ; 闭环反应 ; 成环作用
ring closing 合环
ring closing metathesis 关环复分解
closing ring 挡圈 ; 止动环
ring-closing alkyne metathesis 环合复分解反应
Ring closing enyne metathesis 烯炔闭环易位反应
·2,447,543篇论文数据，部分数据来源于NoteExpress
The five quinazoline compounds were prepared by using 2 amino 4,5 dimethoxy benzoic acid as original material, which underwent ring closing, halogenation and substitution.
方法：以2 氨基4 ，5 二甲氧基苯甲酸为原料，分别经过环化、氯代、取代等反应，合成了五种目标化合物。
Then coupling with A ring synthon, closing, deprotection, the aim product was synthesized finally.
然后再与A环合成子偶联、关环、脱保护完成目标产物的全合成。
The forming technology and the forming die of each working process for the closing ring were analyzed.
分析了卡圈成形工艺及各单工序成形模具特点。
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